diff --git a/.gitignore b/.gitignore
index 20ab769bd817e879ae61a63ccaf791d2f35e360c..fd57a4e128d5b55f3ee60c288a7b205974770819 100755
--- a/.gitignore
+++ b/.gitignore
@@ -42,7 +42,7 @@ applet/
 *.i
 *.ii
 *.swp
-
+tags
 
 #
 # C++
diff --git a/.travis.yml b/.travis.yml
index 86d4f6798313bb79fee0d212efe5a2020645c0d5..a2c766f58043f7734c8169698b3f4775a7ea9cc8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -117,6 +117,12 @@ script:
   - opt_set ABL_GRID_POINTS_Y 16
   - build_marlin
   #
+  # Test a simple build of AUTO_BED_LEVELING_UBL
+  #
+  - restore_configs
+  - opt_enable AUTO_BED_LEVELING_UBL FIX_MOUNTED_PROBE EEPROM_SETTINGS G3D_PANEL
+  - build_marlin
+  #
   # Test a Sled Z Probe
   #
   - restore_configs
diff --git a/Marlin/Conditionals_post.h b/Marlin/Conditionals_post.h
index c024f30edea1e2aaef650254e10a83186c9e9516..6594840808dc3dceea2861f4e083cad6ec282fca 100644
--- a/Marlin/Conditionals_post.h
+++ b/Marlin/Conditionals_post.h
@@ -667,7 +667,7 @@
    */
   #define ABL_PLANAR (ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_3POINT))
   #define ABL_GRID   (ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR))
-  #define HAS_ABL    (ABL_PLANAR || ABL_GRID)
+  #define HAS_ABL    (ABL_PLANAR || ABL_GRID || ENABLED(AUTO_BED_LEVELING_UBL))
 
   #define PLANNER_LEVELING      (HAS_ABL || ENABLED(MESH_BED_LEVELING))
   #define HAS_PROBING_PROCEDURE (HAS_ABL || ENABLED(Z_MIN_PROBE_REPEATABILITY_TEST))
diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 11c05018d37fc3b680218b20178d6f486e503334..cf92e5f817456507a99d61de521066e526b3cac5 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad with NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -603,8 +604,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -742,34 +742,7 @@
 #endif
 
 //===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
-
-//===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -793,10 +766,23 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
+
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -805,6 +791,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -825,11 +818,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -853,7 +841,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index cd842f5022cc0821ccb12bc42738ef55caf7213a..af217e50d208a7b941510902a4081b058d1fa6ed 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -631,6 +631,13 @@
   #define MESH_MAX_Y (Y_MAX_POS - (MESH_INSET))
 #endif
 
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+  #define UBL_MESH_MIN_X (X_MIN_POS + UBL_MESH_INSET)
+  #define UBL_MESH_MAX_X (X_MAX_POS - (UBL_MESH_INSET))
+  #define UBL_MESH_MIN_Y (Y_MIN_POS + UBL_MESH_INSET)
+  #define UBL_MESH_MAX_Y (Y_MAX_POS - (UBL_MESH_INSET))
+#endif
+
 // @section extras
 
 // Arc interpretation settings:
@@ -1036,7 +1043,7 @@
 #define I2C_SLAVE_ADDRESS  0 // Set a value from 8 to 127 to act as a slave
 
 /**
- * Add M43 command for pins info and testing
+ * Add M43, M44 and M45 commands for pins info and testing
  */
 //#define PINS_DEBUGGING
 
diff --git a/Marlin/G26_Mesh_Validation_Tool.cpp b/Marlin/G26_Mesh_Validation_Tool.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..5cda27f0556a63992bae9a30b3c9f521c4ceda57
--- /dev/null
+++ b/Marlin/G26_Mesh_Validation_Tool.cpp
@@ -0,0 +1,1001 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Marlin Firmware -- G26 - Mesh Validation Tool
+ */
+
+#define EXTRUSION_MULTIPLIER 1.0    // This is too much clutter for the main Configuration.h file  But
+#define RETRACTION_MULTIPLIER 1.0   // some user have expressed an interest in being able to customize
+#define NOZZLE 0.3                  // these numbers for thier printer so they don't need to type all
+#define FILAMENT 1.75               // the options every time they do a Mesh Validation Print.
+#define LAYER_HEIGHT 0.2
+#define PRIME_LENGTH 10.0           // So, we put these number in an easy to find and change place.
+#define BED_TEMP 60.0
+#define HOTEND_TEMP 205.0
+#define OOOOZE_AMOUNT 0.3
+
+#include "Marlin.h"
+#include "Configuration.h"
+#include "planner.h"
+#include "stepper.h"
+#include "temperature.h"
+#include "UBL.h"
+#include "ultralcd.h"
+
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+
+  #define SIZE_OF_INTERSECTION_CIRCLES 5
+  #define SIZE_OF_CROSS_HAIRS 3 // cross hairs inside the circle.  This number should be
+                                // less than SIZE_OR_INTERSECTION_CIRCLES
+
+  /**
+   *   Roxy's G26 Mesh Validation Tool
+   *  
+   *   G26 Is a Mesh Validation Tool intended to provide support for the Marlin Unified Bed Leveling System.
+   *   In order to fully utilize and benefit from the Marlin Unified Bed Leveling System an accurate Mesh must
+   *   be defined.  G29 is designed to allow the user to quickly validate the correctness of her Mesh.  It will
+   *   first heat the bed and nozzle. It will then print lines and circles along the Mesh Cell boundaries and
+   *   the intersections of those lines (respectively).
+   *  
+   *   This action allows the user to immediately see where the Mesh is properly defined and where it needs to
+   *   be edited.  The command will generate the Mesh lines closest to the nozzle's starting position.  Alternatively
+   *   the user can specify the X and Y position of interest with command parameters.  This allows the user to
+   *   focus on a particular area of the Mesh where attention is needed.
+   *  
+   *   B #  Bed   Set the Bed Temperature.  If not specified, a default of 60 C. will be assumed.
+   *  
+   *   C    Current   When searching for Mesh Intersection points to draw, use the current nozzle location
+   *        as the base for any distance comparison.
+   *  
+   *   D    Disable   Disable the Unified Bed Leveling System.  In the normal case the user is invoking this
+   *        command to see how well a Mesh as been adjusted to match a print surface.  In order to do
+   *        this the Unified Bed Leveling System is turned on by the G26 command.  The D parameter
+   *        alters the command's normal behaviour and disables the Unified Bed Leveling System even if
+   *        it is on.
+   *  
+   *   H #  Hotend    Set the Nozzle Temperature.  If not specified, a default of 205 C. will be assumed.
+   *  
+   *   F #  Filament  Used to specify the diameter of the filament being used.  If not specified
+   *        1.75mm filament is assumed.  If you are not getting acceptable results by using the
+   *        'correct' numbers, you can scale this number up or down a little bit to change the amount
+   *        of filament that is being extruded during the printing of the various lines on the bed.
+   *  
+   *   K    Keep-On   Keep the heaters turned on at the end of the command.
+   *  
+   *   L #  Layer   Layer height.  (Height of nozzle above bed)  If not specified .20mm will be used.
+   *  
+   *   Q #  Multiplier  Retraction Multiplier.  Normally not needed.  Retraction defaults to 1.0mm and
+   *        un-retraction is at 1.2mm   These numbers will be scaled by the specified amount
+   *  
+   *   N #  Nozzle    Used to control the size of nozzle diameter.  If not specified, a .4mm nozzle is assumed.
+   *  
+   *   O #  Ooooze    How much your nozzle will Ooooze filament while getting in position to print.  This
+   *        is over kill, but using this parameter will let you get the very first 'cicle' perfect
+   *        so you have a trophy to peel off of the bed and hang up to show how perfectly you have your
+   *        Mesh calibrated.  If not specified, a filament length of .3mm is assumed.
+   *  
+   *   P #  Prime   Prime the nozzle with specified length of filament.  If this parameter is not
+   *        given, no prime action will take place.  If the parameter specifies an amount, that much
+   *        will be purged before continuing.  If no amount is specified the command will start
+   *        purging filament until the user provides an LCD Click and then it will continue with
+   *        printing the Mesh.  You can carefully remove the spent filament with a needle nose
+   *        pliers while holding the LCD Click wheel in a depressed state.
+   *  
+   *   R #  Random    Randomize the order that the circles are drawn on the bed.  The search for the closest
+   *        undrawn cicle is still done.  But the distance to the location for each circle has a
+   *        random number of the size specified added to it.  Specifying R50 will give an interesting
+   *        deviation from the normal behaviour on a 10 x 10 Mesh.
+   *  
+   *   X #  X coordinate  Specify the starting location of the drawing activity.
+   *  
+   *   Y #  Y coordinate  Specify the starting location of the drawing activity.
+   */
+
+  extern int UBL_has_control_of_LCD_Panel;
+  extern float feedrate;
+  //extern bool relative_mode;
+  extern Planner planner;
+  //#if ENABLED(ULTRA_LCD)
+    extern char lcd_status_message[];
+  //#endif
+  extern float destination[];
+  extern void set_destination_to_current();
+  extern void set_current_to_destination();
+  extern float code_value_float();
+  extern bool code_value_bool();
+  extern bool code_has_value();
+  extern void lcd_init();
+  #define PLANNER_XY_FEEDRATE() (min(planner.max_feedrate_mm_s[X_AXIS], planner.max_feedrate_mm_s[Y_AXIS])) //bob
+  bool prepare_move_to_destination_cartesian();
+  void line_to_destination();
+  void line_to_destination(float );
+  void gcode_G28();
+  void sync_plan_position_e();
+  void un_retract_filament();
+  void retract_filament();
+  void look_for_lines_to_connect();
+  bool parse_G26_parameters();
+  void move_to(const float&, const float&, const float&, const float&) ;
+  void print_line_from_here_to_there(float sx, float sy, float sz, float ex, float ey, float ez);
+  bool turn_on_heaters();
+  bool prime_nozzle();
+  void chirp_at_user();
+
+  static uint16_t circle_flags[16], horizontal_mesh_line_flags[16], vertical_mesh_line_flags[16], Continue_with_closest = 0;
+  float G26_E_AXIS_feedrate = 0.020,
+        Random_Deviation = 0.0,
+        Layer_Height = LAYER_HEIGHT;
+
+  bool retracted = false; // We keep track of the state of the nozzle to know if it
+                          // is currently retracted or not.  This allows us to be
+                          // less careful because mis-matched retractions and un-retractions
+                          // won't leave us in a bad state.
+  #if ENABLED(ULTRA_LCD)
+    void lcd_setstatus(const char* message, bool persist);
+  #endif
+
+  float valid_trig_angle(float);
+  mesh_index_pair find_closest_circle_to_print(float, float);
+  void debug_current_and_destination(char *title);
+  void UBL_line_to_destination(const float&, const float&, const float&, const float&, const float&, uint8_t);
+  //uint16_t x_splits = 0xFFFF, uint16_t y_splits = 0xFFFF);  /* needed for the old mesh_buffer_line() routine */
+
+  static float E_Pos_Delta,
+               Extrusion_Multiplier = EXTRUSION_MULTIPLIER,
+               Retraction_Multiplier = RETRACTION_MULTIPLIER,
+               Nozzle = NOZZLE,
+               Filament = FILAMENT,
+               Prime_Length = PRIME_LENGTH,
+               X_Pos, Y_Pos,
+               bed_temp = BED_TEMP,
+               hotend_temp = HOTEND_TEMP,
+               Ooooze_Amount = OOOOZE_AMOUNT;
+
+  int8_t Prime_Flag = 0;
+
+  bool Keep_Heaters_On = false,
+       G26_Debug_flag = false;
+
+  /**
+   * These support functions allow the use of large bit arrays of flags that take very
+   * little RAM. Currently they are limited to being 16x16 in size. Changing the declaration
+   * to unsigned long will allow us to go to 32x32 if higher resolution Mesh's are needed
+   * in the future.
+   */
+  void bit_clear(uint16_t bits[16], uint8_t x, uint8_t y) { CBI(bits[y], x); }
+  void bit_set(uint16_t bits[16], uint8_t x, uint8_t y) { SBI(bits[y], x); }
+  bool is_bit_set(uint16_t bits[16], uint8_t x, uint8_t y) { return TEST(bits[y], x); }
+
+  /**
+   * G26: Mesh Validation Pattern generation.
+   * 
+   * Used to interactively edit UBL's Mesh by placing the
+   * nozzle in a problem area and doing a G29 P4 R command.
+   */
+  void gcode_G26() {
+    float circle_x, circle_y, x, y, xe, ye, tmp,
+          start_angle, end_angle;
+    int   i, xi, yi, lcd_init_counter = 0;
+    mesh_index_pair location;
+
+    if (axis_unhomed_error(true, true, true)) // Don't allow Mesh Validation without homing first
+      gcode_G28();
+
+    if (parse_G26_parameters()) return; // If the paramter parsing did not go OK, we abort the command
+
+    if (current_position[Z_AXIS] < Z_CLEARANCE_BETWEEN_PROBES) {
+      do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
+      stepper.synchronize();
+      set_current_to_destination();
+    }
+
+    if (turn_on_heaters())     // Turn on the heaters, leave the command if anything
+      goto LEAVE;              // has gone wrong.
+
+    axis_relative_modes[E_AXIS] = false;    // Get things setup so we can take control of the
+    //relative_mode = false;                  // planner and stepper motors!
+    current_position[E_AXIS] = 0.0;
+    sync_plan_position_e();
+
+    if (Prime_Flag && prime_nozzle())       // if prime_nozzle() returns an error, we just bail out.
+      goto LEAVE;
+
+    /**
+     *      Bed is preheated
+     *
+     *      Nozzle is at temperature
+     *
+     *      Filament is primed!
+     *
+     *      It's  "Show Time" !!!
+     */
+
+    // Clear all of the flags we need
+    ZERO(circle_flags);
+    ZERO(horizontal_mesh_line_flags);
+    ZERO(vertical_mesh_line_flags);
+
+    //
+    // Move nozzle to the specified height for the first layer
+    //
+    set_destination_to_current();
+    destination[Z_AXIS] = Layer_Height;
+    move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], 0.0);
+    move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], Ooooze_Amount);
+
+    UBL_has_control_of_LCD_Panel = 1; // Take control of the LCD Panel!
+    debug_current_and_destination((char *)"Starting G26 Mesh Validation Pattern.");
+
+    do {
+      if (G29_lcd_clicked()) {                                 // Check if the user wants to stop the Mesh Validation
+        strcpy(lcd_status_message, "Mesh Validation Stopped."); // We can't do lcd_setstatus() without having it continue;
+        while (G29_lcd_clicked()) idle(); // Debounce the switch click
+        #if ENABLED(ULTRA_LCD)
+          lcd_setstatus("Mesh Validation Stopped.", true);
+          lcd_quick_feedback();
+        #endif
+        goto LEAVE;
+      }
+
+      if (Continue_with_closest)
+        location = find_closest_circle_to_print(current_position[X_AXIS], current_position[Y_AXIS]);
+      else
+        location = find_closest_circle_to_print(X_Pos, Y_Pos); // Find the closest Mesh Intersection to where we are now.
+
+      if (location.x_index >= 0 && location.y_index >= 0) {
+        circle_x = blm.map_x_index_to_bed_location(location.x_index);
+        circle_y = blm.map_y_index_to_bed_location(location.y_index);
+
+        // Let's do a couple of quick sanity checks.  We can pull this code out later if we never see it catch a problem
+        #ifdef DELTA
+          if (HYPOT2(circle_x, circle_y) > sq(DELTA_PRINTABLE_RADIUS)) {
+            SERIAL_PROTOCOLLNPGM("?Error: Attempt to print outside of DELTA_PRINTABLE_RADIUS.");
+            goto LEAVE;
+          }
+        #endif
+
+        if (circle_x < X_MIN_POS || circle_x > X_MAX_POS || circle_y < Y_MIN_POS || circle_y > Y_MAX_POS) {
+          SERIAL_PROTOCOLLNPGM("?Error: Attempt to print off the bed.");
+          goto LEAVE;
+        }
+
+        xi = location.x_index;  // Just to shrink the next few lines and make them easier to understand
+        yi = location.y_index;
+
+        if (G26_Debug_flag) {
+          SERIAL_ECHOPGM("   Doing circle at: (xi=");
+          SERIAL_ECHO(xi);
+          SERIAL_ECHOPGM(", yi=");
+          SERIAL_ECHO(yi);
+          SERIAL_ECHOLNPGM(")");
+        }
+
+        start_angle = 0.0;    // assume it is going to be a full circle
+        end_angle   = 360.0;
+        if (xi == 0) {       // Check for bottom edge
+          start_angle = -90.0;
+          end_angle   =  90.0;
+          if (yi == 0)        // it is an edge, check for the two left corners
+            start_angle = 0.0;
+          else if (yi == UBL_MESH_NUM_Y_POINTS - 1)
+            end_angle = 0.0;
+        }
+        else if (xi == UBL_MESH_NUM_X_POINTS - 1) { // Check for top edge
+          start_angle =  90.0;
+          end_angle   = 270.0;
+          if (yi == 0)                  // it is an edge, check for the two right corners
+            end_angle = 180.0;
+          else if (yi == UBL_MESH_NUM_Y_POINTS - 1)
+            start_angle = 180.0;
+        }
+        else if (yi == 0) {
+          start_angle =   0.0;         // only do the top   side of the cirlce
+          end_angle   = 180.0;
+        }
+        else if (yi == UBL_MESH_NUM_Y_POINTS - 1) {
+          start_angle = 180.0;         // only do the bottom side of the cirlce
+          end_angle   = 360.0;
+        }
+
+        /**
+         * Declare and generate a sin() & cos() table to be used during the circle drawing.  This will lighten
+         * the CPU load and make the arc drawing faster and more smooth
+         */
+        float sin_table[360 / 30 + 1], cos_table[360 / 30 + 1];
+        int tmp_div_30;
+        for (i = 0; i <= 360 / 30; i++) {
+          cos_table[i] = SIZE_OF_INTERSECTION_CIRCLES * cos(RADIANS(valid_trig_angle(i * 30.0)));
+          sin_table[i] = SIZE_OF_INTERSECTION_CIRCLES * sin(RADIANS(valid_trig_angle(i * 30.0)));
+        }
+
+        for (tmp = start_angle; tmp < end_angle - 0.1; tmp += 30.0) {
+          tmp_div_30 = tmp / 30.0;
+          if (tmp_div_30 < 0) tmp_div_30 += 360 / 30;
+
+          x = circle_x + cos_table[tmp_div_30];    // for speed, these are now a lookup table entry
+          y = circle_y + sin_table[tmp_div_30];
+
+          if (tmp_div_30 > 11) tmp_div_30 -= 360 / 30;
+          xe = circle_x + cos_table[tmp_div_30 + 1]; // for speed, these are now a lookup table entry
+          ye = circle_y + sin_table[tmp_div_30 + 1];
+          #ifdef DELTA
+            if (HYPOT2(x, y) > sq(DELTA_PRINTABLE_RADIUS))   // Check to make sure this part of
+              continue;                                      // the 'circle' is on the bed.  If
+          #else                                              // not, we need to skip
+            x  = constrain(x, X_MIN_POS + 1, X_MAX_POS - 1);     // This keeps us from bumping the endstops
+            y  = constrain(y, Y_MIN_POS + 1, Y_MAX_POS - 1);
+            xe = constrain(xe, X_MIN_POS + 1, X_MAX_POS - 1);
+            ye = constrain(ye, Y_MIN_POS + 1, Y_MAX_POS - 1);
+          #endif
+
+          if (G26_Debug_flag) {
+            char ccc, *cptr, seg_msg[50], seg_num[10];
+            strcpy(seg_msg, "   segment: ");
+            strcpy(seg_num, "    \n");
+            cptr = (char *) "01234567890ABCDEF????????";
+            ccc = cptr[tmp_div_30];
+            seg_num[1] = ccc;
+            strcat(seg_msg, seg_num);
+            debug_current_and_destination(seg_msg);
+          }
+
+          print_line_from_here_to_there(x, y, Layer_Height, xe, ye, Layer_Height);
+        }
+        lcd_init_counter++;
+        if (lcd_init_counter > 10) {
+          lcd_init_counter = 0;
+          lcd_init(); // Some people's LCD Displays are locking up.  This might help them
+        }
+
+        debug_current_and_destination((char *)"Looking for lines to connect.");
+        look_for_lines_to_connect();
+        debug_current_and_destination((char *)"Done with line connect.");
+      }
+
+      debug_current_and_destination((char *)"Done with current circle.");
+
+    }
+    while (location.x_index >= 0 && location.y_index >= 0) ;
+
+    LEAVE:
+
+    retract_filament();
+    destination[Z_AXIS] = Z_CLEARANCE_BETWEEN_PROBES;                             // Raise the nozzle
+
+    debug_current_and_destination((char *)"ready to do Z-Raise.");
+    move_to( destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], 0); // Raise the nozzle
+    debug_current_and_destination((char *)"done doing Z-Raise.");
+
+    destination[X_AXIS] = X_Pos;                                                // Move back to the starting position
+    destination[Y_AXIS] = Y_Pos;
+    destination[Z_AXIS] = Z_CLEARANCE_BETWEEN_PROBES;                             // Keep the nozzle where it is
+
+    move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], 0); // Move back to the starting position
+    debug_current_and_destination((char *)"done doing X/Y move.");
+
+    UBL_has_control_of_LCD_Panel = 0;     // Give back control of the LCD Panel!
+
+    if (!Keep_Heaters_On) {
+      #if HAS_TEMP_BED
+        thermalManager.setTargetBed(0.0);
+      #endif
+      thermalManager.setTargetHotend(0.0, 0);
+    }
+    lcd_init(); // Some people's LCD Displays are locking up.  This might help them
+  }
+
+
+  float valid_trig_angle(float d) {
+    while (d > 360.0) d -= 360.0;
+    while (d < 0.0) d += 360.0;
+    return d;
+  }
+
+  mesh_index_pair find_closest_circle_to_print( float X, float Y) {
+    float f, mx, my, dx, dy, closest = 99999.99;
+    mesh_index_pair return_val;
+
+    return_val.x_index = return_val.y_index = -1;
+
+    for (uint8_t i = 0; i < UBL_MESH_NUM_X_POINTS; i++) {
+      for (uint8_t j = 0; j < UBL_MESH_NUM_Y_POINTS; j++) {
+        if (!is_bit_set(circle_flags, i, j))  {
+          mx = blm.map_x_index_to_bed_location(i);  // We found a circle that needs to be printed
+          my = blm.map_y_index_to_bed_location(j);
+
+          dx = X - mx;        // Get the distance to this intersection
+          dy = Y - my;
+          f = HYPOT(dx, dy);
+
+          dx = X_Pos - mx;                  // It is possible that we are being called with the values
+          dy = Y_Pos - my;                  // to let us find the closest circle to the start position.
+          f += HYPOT(dx, dy) / 15.0;        // But if this is not the case,
+                                            // we are going to add in a small
+                                            // weighting to the distance calculation to help it choose
+                                            // a better place to continue.
+
+          if (Random_Deviation > 1.0)
+            f += random(0.0, Random_Deviation); // Add in the specified amount of Random Noise to our search
+
+          if (f < closest) {
+            closest = f;              // We found a closer location that is still
+            return_val.x_index = i;   // un-printed  --- save the data for it
+            return_val.y_index = j;
+            return_val.distance= closest;
+          }
+        }
+      }
+    }
+    bit_set(circle_flags, return_val.x_index, return_val.y_index);   // Mark this location as done.
+    return return_val;
+  }
+
+  void look_for_lines_to_connect() {
+    float sx, sy, ex, ey;
+
+    for (uint8_t i = 0; i < UBL_MESH_NUM_X_POINTS; i++) {
+      for (uint8_t j = 0; j < UBL_MESH_NUM_Y_POINTS; j++) {
+
+        if (i < UBL_MESH_NUM_X_POINTS) { // We can't connect to anything to the right than UBL_MESH_NUM_X_POINTS.
+                                      // This is already a half circle because we are at the edge of the bed.
+
+          if (is_bit_set(circle_flags, i, j) && is_bit_set(circle_flags, i + 1, j)) { // check if we can do a line to the left
+            if (!is_bit_set(horizontal_mesh_line_flags, i, j)) {
+
+              //
+              // We found two circles that need a horizontal line to connect them
+              // Print it!
+              //
+              sx = blm.map_x_index_to_bed_location(i);
+              sx = sx + SIZE_OF_INTERSECTION_CIRCLES - SIZE_OF_CROSS_HAIRS; // get the right edge of the circle
+              sy = blm.map_y_index_to_bed_location(j);
+
+              ex = blm.map_x_index_to_bed_location(i + 1);
+              ex = ex - SIZE_OF_INTERSECTION_CIRCLES + SIZE_OF_CROSS_HAIRS; // get the left edge of the circle
+              ey = sy;
+
+              sx = constrain(sx, X_MIN_POS + 1, X_MAX_POS - 1);             // This keeps us from bumping the endstops
+              sy = constrain(sy, Y_MIN_POS + 1, Y_MAX_POS - 1);
+              ex = constrain(ex, X_MIN_POS + 1, X_MAX_POS - 1);
+              ey = constrain(ey, Y_MIN_POS + 1, Y_MAX_POS - 1);
+
+              if (G26_Debug_flag) {
+                SERIAL_ECHOPGM(" Connecting with horizontal line (sx=");
+                SERIAL_ECHO(sx);
+                SERIAL_ECHOPGM(", sy=");
+                SERIAL_ECHO(sy);
+                SERIAL_ECHOPGM(") -> (ex=");
+                SERIAL_ECHO(ex);
+                SERIAL_ECHOPGM(", ey=");
+                SERIAL_ECHO(ey);
+                SERIAL_ECHOLNPGM(")");
+                debug_current_and_destination((char *)"Connecting horizontal line.");
+              }
+
+              print_line_from_here_to_there(sx, sy, Layer_Height, ex, ey, Layer_Height);
+              bit_set(horizontal_mesh_line_flags, i, j);   // Mark it as done so we don't do it again
+            }
+          }
+
+          if (j < UBL_MESH_NUM_Y_POINTS) { // We can't connect to anything further back than UBL_MESH_NUM_Y_POINTS.
+                                        // This is already a half circle because we are at the edge  of the bed.
+
+            if (is_bit_set(circle_flags, i, j) && is_bit_set(circle_flags, i, j + 1)) { // check if we can do a line straight down
+              if (!is_bit_set( vertical_mesh_line_flags, i, j)) {
+                //
+                // We found two circles that need a vertical line to connect them
+                // Print it!
+                //
+                sx = blm.map_x_index_to_bed_location(i);
+                sy = blm.map_y_index_to_bed_location(j);
+                sy = sy + SIZE_OF_INTERSECTION_CIRCLES - SIZE_OF_CROSS_HAIRS; // get the top edge of the circle
+
+                ex = sx;
+                ey = blm.map_y_index_to_bed_location(j + 1);
+                ey = ey - SIZE_OF_INTERSECTION_CIRCLES + SIZE_OF_CROSS_HAIRS; // get the bottom edge of the circle
+
+                sx = constrain(sx, X_MIN_POS + 1, X_MAX_POS - 1);             // This keeps us from bumping the endstops
+                sy = constrain(sy, Y_MIN_POS + 1, Y_MAX_POS - 1);
+                ex = constrain(ex, X_MIN_POS + 1, X_MAX_POS - 1);
+                ey = constrain(ey, Y_MIN_POS + 1, Y_MAX_POS - 1);
+
+                if (G26_Debug_flag) {
+                  SERIAL_ECHOPGM(" Connecting with vertical line (sx=");
+                  SERIAL_ECHO(sx);
+                  SERIAL_ECHOPGM(", sy=");
+                  SERIAL_ECHO(sy);
+                  SERIAL_ECHOPGM(") -> (ex=");
+                  SERIAL_ECHO(ex);
+                  SERIAL_ECHOPGM(", ey=");
+                  SERIAL_ECHO(ey);
+                  SERIAL_ECHOLNPGM(")");
+                  debug_current_and_destination((char *)"Connecting vertical line.");
+                }
+                print_line_from_here_to_there(sx, sy, Layer_Height, ex, ey, Layer_Height);
+                bit_set( vertical_mesh_line_flags, i, j);   // Mark it as done so we don't do it again
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+
+  void debug_current_and_destination(char *title) {
+    float dx, dy, de, xy_dist, fpmm;
+
+    // if the title message starts with a '!' it is so important, we are going to
+    // ignore the status of the G26_Debug_Flag
+    if (*title != '!' && !G26_Debug_flag) return;
+
+    dx = current_position[X_AXIS] - destination[X_AXIS];
+    dy = current_position[Y_AXIS] - destination[Y_AXIS];
+    de = destination[E_AXIS] - current_position[E_AXIS];
+    if (de == 0.0) return;
+
+    xy_dist = HYPOT(dx, dy);
+    if (xy_dist == 0.0) {
+      return;
+      //SERIAL_ECHOPGM("   FPMM=");
+      //fpmm = de;
+      //SERIAL_PROTOCOL_F(fpmm, 6);
+    }
+    else {
+      SERIAL_ECHOPGM("   fpmm=");
+      fpmm = de / xy_dist;
+      SERIAL_PROTOCOL_F(fpmm, 6);
+    }
+
+    SERIAL_ECHOPGM("    current=( ");
+    SERIAL_PROTOCOL_F(current_position[X_AXIS], 6);
+    SERIAL_ECHOPGM(", ");
+    SERIAL_PROTOCOL_F(current_position[Y_AXIS], 6);
+    SERIAL_ECHOPGM(", ");
+    SERIAL_PROTOCOL_F(current_position[Z_AXIS], 6);
+    SERIAL_ECHOPGM(", ");
+    SERIAL_PROTOCOL_F(current_position[E_AXIS], 6);
+    SERIAL_ECHOPGM(" )   destination=( ");
+    if (current_position[X_AXIS] == destination[X_AXIS])
+      SERIAL_ECHOPGM("-------------");
+    else
+      SERIAL_PROTOCOL_F(destination[X_AXIS], 6);
+
+    SERIAL_ECHOPGM(", ");
+
+    if (current_position[Y_AXIS] == destination[Y_AXIS])
+      SERIAL_ECHOPGM("-------------");
+    else
+      SERIAL_PROTOCOL_F(destination[Y_AXIS], 6);
+
+    SERIAL_ECHOPGM(", ");
+
+    if (current_position[Z_AXIS] == destination[Z_AXIS])
+      SERIAL_ECHOPGM("-------------");
+    else
+      SERIAL_PROTOCOL_F(destination[Z_AXIS], 6);
+
+    SERIAL_ECHOPGM(", ");
+
+    if (current_position[E_AXIS] == destination[E_AXIS])
+      SERIAL_ECHOPGM("-------------");
+    else
+      SERIAL_PROTOCOL_F(destination[E_AXIS], 6);
+
+    SERIAL_ECHOPGM(" )   ");
+    SERIAL_ECHO(title);
+    SERIAL_EOL;
+
+    SET_INPUT_PULLUP(66); // Roxy's Left Switch is on pin 66.  Right Switch is on pin 65
+
+    //if (been_to_2_6) {
+    //while ((digitalRead(66) & 0x01) != 0)
+    //  idle();
+    //}
+  }
+
+  void move_to(const float &x, const float &y, const float &z, const float &e_delta) {
+    float feed_value;
+    static float last_z = -999.99;
+
+    bool has_XY_component = (x != current_position[X_AXIS] || y != current_position[Y_AXIS]); // Check if X or Y is involved in the movement.
+
+    if (G26_Debug_flag) {
+      SERIAL_ECHOPAIR("in move_to()  has_XY_component:", (int)has_XY_component);
+      SERIAL_EOL;
+    }
+
+    if (z != last_z) {
+
+      if (G26_Debug_flag) {
+        SERIAL_ECHOPAIR("in move_to()  changing Z to ", (int)z);
+        SERIAL_EOL;
+      }
+      last_z = z;
+      feed_value = planner.max_feedrate_mm_s[Z_AXIS]/(3.0);  // Base the feed rate off of the configured Z_AXIS feed rate
+
+      destination[X_AXIS] = current_position[X_AXIS];
+      destination[Y_AXIS] = current_position[Y_AXIS];
+      destination[Z_AXIS] = z;                          // We know the last_z==z or we wouldn't be in this block of code.
+      destination[E_AXIS] = current_position[E_AXIS];
+
+      UBL_line_to_destination(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feed_value, 0);
+
+      stepper.synchronize();
+      set_destination_to_current();
+
+      if (G26_Debug_flag)
+        debug_current_and_destination((char *)" in move_to() done with Z move");
+    }
+
+    // Check if X or Y is involved in the movement.
+    // Yes: a 'normal' movement. No: a retract() or un_retract()
+    feed_value = has_XY_component ? PLANNER_XY_FEEDRATE() / 10.0 : planner.max_feedrate_mm_s[E_AXIS] / 1.5;
+
+    if (G26_Debug_flag) {
+      SERIAL_ECHOPAIR("in move_to() feed_value for XY:", feed_value);
+      SERIAL_EOL;
+    }
+
+    destination[X_AXIS] = x;
+    destination[Y_AXIS] = y;
+    destination[E_AXIS] += e_delta;
+
+    if (G26_Debug_flag)
+      debug_current_and_destination((char *)" in move_to() doing last move");
+
+    UBL_line_to_destination(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feed_value, 0);
+
+    if (G26_Debug_flag)
+      debug_current_and_destination((char *)" in move_to() after last move");
+
+    stepper.synchronize();
+    set_destination_to_current();
+  }
+
+  void retract_filament() {
+    if (!retracted) { // Only retract if we are not already retracted!
+      retracted = true;
+      if (G26_Debug_flag) SERIAL_ECHOLNPGM(" Decided to do retract.");
+      move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], -1.0 * Retraction_Multiplier);
+      if (G26_Debug_flag) SERIAL_ECHOLNPGM(" Retraction done.");
+    }
+  }
+
+  void un_retract_filament() {
+    if (retracted) { // Only un-retract if we are retracted.
+      move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], 1.2 * Retraction_Multiplier);
+      retracted = false;
+      if (G26_Debug_flag) SERIAL_ECHOLNPGM(" unretract done.");
+    }
+  }
+
+  /**
+   * print_line_from_here_to_there() takes two cartesian coordinates and draws a line from one
+   * to the other.  But there are really three sets of coordinates involved.  The first coordinate
+   * is the present location of the nozzle.  We don't necessarily want to print from this location.
+   * We first need to move the nozzle to the start of line segment where we want to print.  Once
+   * there, we can use the two coordinates supplied to draw the line.
+   *
+   * Note:  Although we assume the first set of coordinates is the start of the line and the second
+   * set of coordinates is the end of the line, it does not always work out that way.  This function
+   * optimizes the movement to minimize the travel distance before it can start printing.  This saves
+   * a lot of time and eleminates a lot of non-sensical movement of the nozzle.   However, it does
+   * cause a lot of very little short retracement of th nozzle when it draws the very first line
+   * segment of a 'circle'.   The time this requires is very short and is easily saved by the other
+   * cases where the optimization comes into play.
+   */
+  void print_line_from_here_to_there( float sx, float sy, float sz, float ex, float ey, float ez) {
+    float dx, dy, dx_s, dy_s, dx_e, dy_e, dist_start, dist_end, Line_Length;
+
+    dx_s = current_position[X_AXIS] - sx;   // find our distance from the start of the actual line segment
+    dy_s = current_position[Y_AXIS] - sy;
+    dist_start = HYPOT2(dx_s, dy_s);        // We don't need to do a sqrt(), we can compare the distance^2
+                                            // to save computation time
+    dx_e = current_position[X_AXIS] - ex;   // find our distance from the end of the actual line segment
+    dy_e = current_position[Y_AXIS] - ey;
+    dist_end = HYPOT2(dx_e, dy_e);
+
+    dx = ex - sx;
+    dy = ey - sy;
+    Line_Length = HYPOT(dx, dy);
+
+    // If the end point of the line is closer to the nozzle, we are going to
+    // flip the direction of this line.   We will print it from the end to the start.
+    // On very small lines we don't do the optimization because it just isn't worth it.
+    //
+    if (dist_end < dist_start && (SIZE_OF_INTERSECTION_CIRCLES) < abs(Line_Length)) {
+      if (G26_Debug_flag)
+        SERIAL_ECHOLNPGM("  Reversing start and end of print_line_from_here_to_there()");
+      print_line_from_here_to_there(ex, ey, ez, sx, sy, sz);
+      return;
+    }
+
+    // Now decide if we should retract.
+
+    if (dist_start > 2.0) {
+      retract_filament();
+      if (G26_Debug_flag)
+        SERIAL_ECHOLNPGM("  filament retracted.");
+    }
+    move_to(sx, sy, sz, 0.0); // Get to the starting point with no extrusion
+
+    E_Pos_Delta = Line_Length * G26_E_AXIS_feedrate * Extrusion_Multiplier;
+
+    un_retract_filament();
+    if (G26_Debug_flag) {
+      SERIAL_ECHOLNPGM("  doing printing move.");
+      debug_current_and_destination((char *)"doing final move_to() inside print_line_from_here_to_there()");
+    }
+    move_to(ex, ey, ez, E_Pos_Delta);  // Get to the ending point with an appropriate amount of extrusion
+  }
+
+  /**
+   * This function used to be inline code in G26. But there are so many
+   * parameters it made sense to turn them into static globals and get
+   * this code out of sight of the main routine.
+   */
+  bool parse_G26_parameters() {
+
+    Extrusion_Multiplier  = EXTRUSION_MULTIPLIER;
+    Retraction_Multiplier = RETRACTION_MULTIPLIER;
+    Nozzle                = NOZZLE;
+    Filament              = FILAMENT;
+    Layer_Height          = LAYER_HEIGHT;
+    Prime_Length          = PRIME_LENGTH;
+    bed_temp              = BED_TEMP;
+    hotend_temp           = HOTEND_TEMP;
+    Ooooze_Amount         = OOOOZE_AMOUNT;
+    Prime_Flag            = 0;
+    Keep_Heaters_On       = false;
+
+    if (code_seen('B')) {
+      bed_temp = code_value_float();
+      if (bed_temp < 15.0 || bed_temp > 140.0) {
+        SERIAL_PROTOCOLLNPGM("?Specified bed temperature not plausible.");
+        return UBL_ERR;
+      }
+    }
+
+    if (code_seen('C')) Continue_with_closest++;
+
+    if (code_seen('L')) {
+      Layer_Height = code_value_float();
+      if (Layer_Height<0.0 || Layer_Height>2.0) {
+        SERIAL_PROTOCOLLNPGM("?Specified layer height not plausible.");
+        return UBL_ERR;
+      }
+    }
+
+    if (code_seen('Q')) {
+      if (code_has_value()) {
+        Retraction_Multiplier = code_value_float();
+        if (Retraction_Multiplier<.05 || Retraction_Multiplier>15.0) {
+          SERIAL_PROTOCOLLNPGM("?Specified Retraction Multiplier not plausible.");
+          return UBL_ERR;
+        }
+      }
+      else {
+        SERIAL_PROTOCOLLNPGM("?Retraction Multiplier must be specified.");
+        return UBL_ERR;
+      }
+    }
+
+    if (code_seen('N')) {
+      Nozzle = code_value_float();
+      if (Nozzle < 0.1 || Nozzle > 1.0) {
+        SERIAL_PROTOCOLLNPGM("?Specified nozzle size not plausible.");
+        return UBL_ERR;
+      }
+    }
+
+    if (code_seen('K')) Keep_Heaters_On++;
+
+    if (code_seen('O') && code_has_value())
+      Ooooze_Amount = code_value_float();
+
+    if (code_seen('P')) {
+      if (!code_has_value())
+        Prime_Flag = -1;
+      else {
+        Prime_Flag++;
+        Prime_Length = code_value_float();
+        if (Prime_Length < 0.0 || Prime_Length > 25.0) {
+          SERIAL_PROTOCOLLNPGM("?Specified prime length not plausible.");
+          return UBL_ERR;
+        }
+      }
+    }
+
+    if (code_seen('F')) {
+      Filament = code_value_float();
+      if (Filament < 1.0 || Filament > 4.0) {
+        SERIAL_PROTOCOLLNPGM("?Specified filament size not plausible.");
+        return UBL_ERR;
+      }
+    }
+    Extrusion_Multiplier *= sq(1.75) / sq(Filament);  // If we aren't using 1.75mm filament, we need to
+                                                              // scale up or down the length needed to get the
+                                                              // same volume of filament
+    Extrusion_Multiplier *= Filament * sq(Nozzle) / sq(0.3); // Scale up by nozzle size
+
+    if (code_seen('H')) {
+      hotend_temp = code_value_float();
+      if (hotend_temp < 165.0 || hotend_temp > 280.0) {
+        SERIAL_PROTOCOLLNPGM("?Specified nozzle temperature not plausible.");
+        return UBL_ERR;
+      }
+    }
+
+    if (code_seen('R')) {
+      randomSeed(millis());
+      Random_Deviation = code_has_value() ? code_value_float() : 50.0;
+    }
+
+    X_Pos = current_position[X_AXIS];
+    Y_Pos = current_position[Y_AXIS];
+
+    if (code_seen('X')) {
+      X_Pos = code_value_float();
+      if (X_Pos < X_MIN_POS || X_Pos > X_MAX_POS) {
+        SERIAL_PROTOCOLLNPGM("?Specified X coordinate not plausible.");
+        return UBL_ERR;
+      }
+    }
+    else
+
+    if (code_seen('Y')) {
+      Y_Pos = code_value_float();
+      if (Y_Pos < Y_MIN_POS || Y_Pos > Y_MAX_POS) {
+        SERIAL_PROTOCOLLNPGM("?Specified Y coordinate not plausible.");
+        return UBL_ERR;
+      }
+    }
+
+    /**
+     * We save the question of what to do with the Unified Bed Leveling System's Activation until the very
+     * end.  The reason is, if one of the parameters specified up above is incorrect, we don't want to
+     * alter the system's status.  We wait until we know everything is correct before altering the state
+     * of the system.
+     */
+    blm.state.active = !code_seen('D');
+
+    return UBL_OK;
+  }
+
+  /**
+   * Turn on the bed and nozzle heat and
+   * wait for them to get up to temperature.
+   */
+  bool turn_on_heaters() {
+    #if HAS_TEMP_BED
+      #if ENABLED(ULTRA_LCD)
+        if (bed_temp > 25) {
+          lcd_setstatus("G26 Heating Bed.", true);
+          lcd_quick_feedback();
+      #endif
+          UBL_has_control_of_LCD_Panel++;
+          thermalManager.setTargetBed(bed_temp);
+          while (abs(thermalManager.degBed() - bed_temp) > 3) {
+            if (G29_lcd_clicked()) {
+              strcpy(lcd_status_message, "Leaving G26"); // We can't do lcd_setstatus() without having it continue;
+              while (G29_lcd_clicked()) idle();          // Debounce the switch
+              lcd_setstatus("Leaving G26", true);        // Now we do it right.
+              return UBL_ERR;
+            }
+            idle();
+          }
+      #if ENABLED(ULTRA_LCD)
+        }
+        lcd_setstatus("G26 Heating Nozzle.", true);
+        lcd_quick_feedback();
+      #endif
+    #endif
+
+    // Start heating the nozzle and wait for it to reach temperature.
+    thermalManager.setTargetHotend(hotend_temp, 0);
+    while (abs(thermalManager.degHotend(0) - hotend_temp) > 3) {
+      if (G29_lcd_clicked()) {
+        strcpy(lcd_status_message, "Leaving G26"); // We can't do lcd_setstatus() without having it continue;
+        while (G29_lcd_clicked()) idle();          // Debounce the switch
+        lcd_setstatus("Leaving G26", true);        // Now we do it right.
+        return UBL_ERR;
+      }
+      idle();
+    }
+
+    #if ENABLED(ULTRA_LCD)
+      lcd_setstatus("", true);
+      lcd_quick_feedback();
+    #endif
+    return UBL_OK;
+  }
+
+  /**
+   * Prime the nozzle if needed. Return true on error.
+   */
+  bool prime_nozzle() {
+    float Total_Prime = 0.0;
+
+    if (Prime_Flag == -1) {  // The user wants to control how much filament gets purged
+      lcd_setstatus("User Controled Prime", true);
+      chirp_at_user();
+
+      set_destination_to_current();
+
+      un_retract_filament();    // Lets make sure the G26 command doesn't think the filament is
+                                // retracted().  We are here because we want to prime the nozzle.
+                                // So let's just unretract just to be sure.
+
+      UBL_has_control_of_LCD_Panel++;
+      while (!G29_lcd_clicked()) {
+        chirp_at_user();
+        destination[E_AXIS] += 0.25;
+        #ifdef PREVENT_LENGTHY_EXTRUDE
+          Total_Prime += 0.25;
+          if (Total_Prime >= EXTRUDE_MAXLENGTH) return UBL_ERR;
+        #endif
+        UBL_line_to_destination(
+          destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS],
+          //planner.max_feedrate_mm_s[E_AXIS] / 15.0, 0, 0xFFFF, 0xFFFF);
+          planner.max_feedrate_mm_s[E_AXIS] / 15.0, 0
+        );
+
+        stepper.synchronize();    // Without this synchronize, the purge is more consistent,
+                                  // but because the planner has a buffer, we won't be able
+                                  // to stop as quickly.  So we put up with the less smooth
+                                  // action to give the user a more responsive 'Stop'.
+        set_destination_to_current();
+        idle();
+      }
+
+      strcpy(lcd_status_message, "Done Priming"); // We can't do lcd_setstatus() without having it continue;
+                                                  // So...  We cheat to get a message up.
+
+      while (G29_lcd_clicked()) idle(); // Debounce the switch
+
+      #if ENABLED(ULTRA_LCD)
+        UBL_has_control_of_LCD_Panel = 0;
+        lcd_setstatus("Done Priming", true);      // Now we do it right.
+        lcd_quick_feedback();
+      #endif
+    }
+    else {
+      #if ENABLED(ULTRA_LCD)
+        lcd_setstatus("Fixed Length Prime.", true);
+        lcd_quick_feedback();
+      #endif
+      set_destination_to_current();
+      destination[E_AXIS] += Prime_Length;
+      UBL_line_to_destination(
+        destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS],
+        //planner.max_feedrate_mm_s[E_AXIS] / 15.0, 0, 0xFFFF, 0xFFFF);
+        planner.max_feedrate_mm_s[E_AXIS] / 15.0, 0
+      );
+      stepper.synchronize();
+      set_destination_to_current();
+      retract_filament();
+    }
+    return UBL_OK;
+  }
+
+#endif // AUTO_BED_LEVELING_UBL
diff --git a/Marlin/M100_Free_Mem_Chk.cpp b/Marlin/M100_Free_Mem_Chk.cpp
index d82434e97689a14790959ee0c9eb1dd93be3807b..58589614d82f586e2e8fbf0ab4890e86d78c086a 100644
--- a/Marlin/M100_Free_Mem_Chk.cpp
+++ b/Marlin/M100_Free_Mem_Chk.cpp
@@ -35,7 +35,7 @@
  * M100 C x Corrupts x locations within the free memory block.   This is useful to check the
  *    correctness of the M100 F and M100 D commands.
  *
- * Initial version by Roxy-3DPrintBoard
+ * Initial version by Roxy-3D
  */
 #define M100_FREE_MEMORY_DUMPER     // Comment out to remove Dump sub-command
 #define M100_FREE_MEMORY_CORRUPTOR    // Comment out to remove Corrupt sub-command
@@ -51,10 +51,9 @@ extern char __bss_end;
 // Utility functions used by M100 to get its work done.
 //
 
+#include "hex_print_routines.h"
+
 char* top_of_stack();
-void prt_hex_nibble(unsigned int);
-void prt_hex_byte(unsigned int);
-void prt_hex_word(unsigned int);
 int how_many_E5s_are_here(char*);
 
 void gcode_M100() {
@@ -211,27 +210,6 @@ char* top_of_stack() {
   return &x + 1; // x is pulled on return;
 }
 
-//
-// 3 support routines to print hex numbers.  We can print a nibble, byte and word
-//
-
-void prt_hex_nibble(unsigned int n) {
-  if (n <= 9)
-    SERIAL_ECHO(n);
-  else
-    SERIAL_ECHO((char)('A' + n - 10));
-}
-
-void prt_hex_byte(unsigned int b) {
-  prt_hex_nibble((b & 0xf0) >> 4);
-  prt_hex_nibble(b & 0x0f);
-}
-
-void prt_hex_word(unsigned int w) {
-  prt_hex_byte((w & 0xff00) >> 8);
-  prt_hex_byte(w & 0x0ff);
-}
-
 // how_many_E5s_are_here() is a utility function to easily find out how many 0xE5's are
 // at the specified location.  Having this logic as a function simplifies the search code.
 //
diff --git a/Marlin/Marlin.h b/Marlin/Marlin.h
index 1ce190b45839042005945a1651ddc27593b91b42..e77fc46158a8ef0f199e7684c308ab62438ce863 100644
--- a/Marlin/Marlin.h
+++ b/Marlin/Marlin.h
@@ -40,6 +40,7 @@
 #include "fastio.h"
 #include "utility.h"
 
+
 #ifdef USBCON
   #include "HardwareSerial.h"
   #if ENABLED(BLUETOOTH)
@@ -82,6 +83,7 @@ extern const char errormagic[] PROGMEM;
 #define SERIAL_ECHOLNPGM(x)            SERIAL_PROTOCOLLNPGM(x)
 #define SERIAL_ECHOPAIR(name,value)    SERIAL_PROTOCOLPAIR(name, value)
 #define SERIAL_ECHOLNPAIR(name, value) SERIAL_PROTOCOLLNPAIR(name, value)
+#define SERIAL_ECHO_F(x,y)             SERIAL_PROTOCOL_F(x,y)
 
 #define SERIAL_ERROR_START            (serialprintPGM(errormagic))
 #define SERIAL_ERROR(x)                SERIAL_PROTOCOL(x)
@@ -95,6 +97,7 @@ void serial_echopair_P(const char* s_P, int v);
 void serial_echopair_P(const char* s_P, long v);
 void serial_echopair_P(const char* s_P, float v);
 void serial_echopair_P(const char* s_P, double v);
+void serial_echopair_P(const char* s_P, unsigned int v);
 void serial_echopair_P(const char* s_P, unsigned long v);
 FORCE_INLINE void serial_echopair_P(const char* s_P, uint8_t v) { serial_echopair_P(s_P, (int)v); }
 FORCE_INLINE void serial_echopair_P(const char* s_P, uint16_t v) { serial_echopair_P(s_P, (int)v); }
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 5a329e04001ac362aecddf6113ef457cf62863be..b8a52c78e9b40b0b67651723988348e4974d273c 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -1,6 +1,6 @@
 /**
  * Marlin 3D Printer Firmware
- * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (C) 2016, 2017 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
@@ -234,6 +234,10 @@
 #include "duration_t.h"
 #include "types.h"
 
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+  #include "UBL.h"
+#endif
+
 #if HAS_ABL
   #include "vector_3.h"
   #if ENABLED(AUTO_BED_LEVELING_LINEAR)
@@ -297,6 +301,10 @@
        G38_endstop_hit = false;
 #endif
 
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+  bed_leveling blm;
+#endif
+
 bool Running = true;
 
 uint8_t marlin_debug_flags = DEBUG_NONE;
@@ -315,7 +323,7 @@ float current_position[XYZE] = { 0.0 };
  *   Set with 'gcode_get_destination' or 'set_destination_to_current'.
  *   'line_to_destination' sets 'current_position' to 'destination'.
  */
-static float destination[XYZE] = { 0.0 };
+float destination[XYZE] = { 0.0 };
 
 /**
  * axis_homed
@@ -706,7 +714,7 @@ static void report_current_position();
     SERIAL_ECHOPAIR("(", x);
     SERIAL_ECHOPAIR(", ", y);
     SERIAL_ECHOPAIR(", ", z);
-    SERIAL_ECHOPGM(")");
+    SERIAL_CHAR(')');
 
     if (suffix) serialprintPGM(suffix);
     else SERIAL_EOL;
@@ -1760,7 +1768,7 @@ static void clean_up_after_endstop_or_probe_move() {
 #endif //HAS_BED_PROBE
 
 #if ENABLED(Z_PROBE_ALLEN_KEY) || ENABLED(Z_PROBE_SLED) || HAS_PROBING_PROCEDURE || HOTENDS > 1 || ENABLED(NOZZLE_CLEAN_FEATURE) || ENABLED(NOZZLE_PARK_FEATURE)
-  static bool axis_unhomed_error(const bool x, const bool y, const bool z) {
+  bool axis_unhomed_error(const bool x, const bool y, const bool z) {
     const bool xx = x && !axis_homed[X_AXIS],
                yy = y && !axis_homed[Y_AXIS],
                zz = z && !axis_homed[Z_AXIS];
@@ -2009,7 +2017,7 @@ static void clean_up_after_endstop_or_probe_move() {
   #endif
 
   // returns false for ok and true for failure
-  static bool set_probe_deployed(bool deploy) {
+  bool set_probe_deployed(bool deploy) {
 
     #if ENABLED(DEBUG_LEVELING_FEATURE)
       if (DEBUGGING(LEVELING)) {
@@ -2196,7 +2204,8 @@ static void clean_up_after_endstop_or_probe_move() {
   //   - Raise to the BETWEEN height
   // - Return the probed Z position
   //
-  static float probe_pt(const float &x, const float &y, const bool stow = true, const int verbose_level = 1) {
+//float probe_pt(const float &x, const float &y, const bool stow = true, const int verbose_level = 1) {
+  float probe_pt(const float x, const float y, const bool stow, const int verbose_level) {
     #if ENABLED(DEBUG_LEVELING_FEATURE)
       if (DEBUGGING(LEVELING)) {
         SERIAL_ECHOPAIR(">>> probe_pt(", x);
@@ -3291,10 +3300,12 @@ inline void gcode_G4() {
         SERIAL_ECHOPGM("BILINEAR");
       #elif ENABLED(AUTO_BED_LEVELING_3POINT)
         SERIAL_ECHOPGM("3POINT");
+      #elif ENABLED(AUTO_BED_LEVELING_UBL)
+        SERIAL_ECHOPGM("UBL");
       #endif
       if (planner.abl_enabled) {
         SERIAL_ECHOLNPGM(" (enabled)");
-        #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_3POINT)
+        #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_3POINT) || ENABLED(AUTO_BED_LEVELING_UBL)
           float diff[XYZ] = {
             stepper.get_axis_position_mm(X_AXIS) - current_position[X_AXIS],
             stepper.get_axis_position_mm(Y_AXIS) - current_position[Y_AXIS],
@@ -3842,7 +3853,7 @@ inline void gcode_G28() {
     report_current_position();
   }
 
-#elif HAS_ABL
+#elif HAS_ABL && DISABLED(AUTO_BED_LEVELING_UBL)
 
   /**
    * G29: Detailed Z probe, probes the bed at 3 or more points.
@@ -4395,7 +4406,7 @@ inline void gcode_G28() {
       SYNC_PLAN_POSITION_KINEMATIC();
   }
 
-#endif // HAS_ABL
+#endif // HAS_ABL && DISABLED(AUTO_BED_LEVELING_UBL)
 
 #if HAS_BED_PROBE
 
@@ -7005,6 +7016,8 @@ void quickstop_stepper() {
             bed_level_virt_print();
           #endif
         }
+      #elif ENABLED(AUTO_BED_LEVELING_UBL)
+        blm.display_map(0);  // Right now, we only support one type of map
       #elif ENABLED(MESH_BED_LEVELING)
         if (mbl.has_mesh()) {
           SERIAL_ECHOLNPGM("Mesh Bed Level data:");
@@ -8315,6 +8328,12 @@ void process_next_command() {
           break;
       #endif // INCH_MODE_SUPPORT
 
+      #if ENABLED(AUTO_BED_LEVELING_UBL)
+        case 26: // G26: Mesh Validation Pattern generation
+          gcode_G26();
+          break;
+      #endif // AUTO_BED_LEVELING_UBL
+
       #if ENABLED(NOZZLE_PARK_FEATURE)
         case 27: // G27: Nozzle Park
           gcode_G27();
@@ -8326,7 +8345,8 @@ void process_next_command() {
         break;
 
       #if PLANNER_LEVELING
-        case 29: // G29 Detailed Z probe, probes the bed at 3 or more points.
+        case 29: // G29 Detailed Z probe, probes the bed at 3 or more points,
+                 // or provides access to the UBL System if enabled.
           gcode_G29();
           break;
       #endif // PLANNER_LEVELING
@@ -8433,12 +8453,24 @@ void process_next_command() {
           gcode_M43(); break;
       #endif
 
+
       #if ENABLED(Z_MIN_PROBE_REPEATABILITY_TEST)
         case 48: // M48: Z probe repeatability test
           gcode_M48();
           break;
       #endif // Z_MIN_PROBE_REPEATABILITY_TEST
 
+      #if ENABLED(AUTO_BED_LEVELING_UBL)
+        case 49: // M49: Turn on or off G26_Debug_flag for verbose output
+    if (G26_Debug_flag) {
+            SERIAL_PROTOCOLPGM("UBL Debug Flag turned off.\n");
+            G26_Debug_flag = 0; }
+    else {
+            SERIAL_PROTOCOLPGM("UBL Debug Flag turned on.\n");
+            G26_Debug_flag++; }
+          break;
+      #endif // Z_MIN_PROBE_REPEATABILITY_TEST
+
       case 75: // M75: Start print timer
         gcode_M75(); break;
       case 76: // M76: Pause print timer
@@ -9078,7 +9110,7 @@ void ok_to_send() {
       SERIAL_ECHOLNPAIR(" offset=", offset);
     }
     last_offset = offset;
-    //*/
+    */
 
     return offset;
   }
@@ -9564,6 +9596,18 @@ void set_current_from_steppers_for_axis(const AxisEnum axis) {
           return false;
         }
         else
+      #elif ENABLED(AUTO_BED_LEVELING_UBL)
+        if (blm.state.active) {
+
+//        UBL_line_to_destination(MMS_SCALED(feedrate_mm_s));
+
+          UBL_line_to_destination(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS],
+//                      (feedrate*(1.0/60.0))*(feedrate_percentage*(1.0/100.0) ), active_extruder);
+                      MMS_SCALED(feedrate_mm_s), active_extruder);
+
+          return false;
+        }
+        else
       #elif ENABLED(AUTO_BED_LEVELING_BILINEAR)
         if (planner.abl_enabled) {
           bilinear_line_to_destination(MMS_SCALED(feedrate_mm_s));
@@ -10565,9 +10609,9 @@ void setup() {
   #endif
 
   #if ENABLED(RGB_LED)
-    pinMode(RGB_LED_R_PIN, OUTPUT);
-    pinMode(RGB_LED_G_PIN, OUTPUT);
-    pinMode(RGB_LED_B_PIN, OUTPUT);
+    SET_OUTPUT(RGB_LED_R_PIN);
+    SET_OUTPUT(RGB_LED_G_PIN);
+    SET_OUTPUT(RGB_LED_B_PIN);
   #endif
 
   lcd_init();
diff --git a/Marlin/SanityCheck.h b/Marlin/SanityCheck.h
index fb943a5e71bb73f1de006842e38ed9cfe9b0308b..8958743e74d2a7a80f9448eb681585fe9def2a20 100644
--- a/Marlin/SanityCheck.h
+++ b/Marlin/SanityCheck.h
@@ -388,10 +388,13 @@ static_assert(1 >= 0
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
     + 1
   #endif
+  #if ENABLED(AUTO_BED_LEVELING_UBL)
+    + 1
+  #endif
   #if ENABLED(MESH_BED_LEVELING)
     + 1
   #endif
-  , "Select only one of: MESH_BED_LEVELING, AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_3POINT, or AUTO_BED_LEVELING_BILINEAR."
+  , "Select only one of: MESH_BED_LEVELING, AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_3POINT, AUTO_BED_LEVELING_BILINEAR or AUTO_BED_LEVELING_UBL."
 );
 
 /**
@@ -403,6 +406,21 @@ static_assert(1 >= 0
   #elif MESH_NUM_X_POINTS > 9 || MESH_NUM_Y_POINTS > 9
     #error "MESH_NUM_X_POINTS and MESH_NUM_Y_POINTS must be less than 10."
   #endif
+#elif ENABLED(MANUAL_BED_LEVELING)
+  #error "MANUAL_BED_LEVELING only applies to MESH_BED_LEVELING."
+#endif
+
+/**
+ * Unified Bed Leveling
+ */
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+  #if ENABLED(DELTA)
+    #error "AUTO_BED_LEVELING_UBL does not yet support DELTA printers."
+  #elif DISABLED(NEWPANEL)
+    #error "AUTO_BED_LEVELING_UBL requires an LCD controller."
+  #elif UBL_MESH_NUM_X_POINTS > 15 || UBL_MESH_NUM_Y_POINTS > 15
+    #error "UBL_MESH_NUM_X_POINTS and UBL_MESH_NUM_Y_POINTS must be less than 16."
+  #endif
 #endif
 
 /**
@@ -434,6 +452,7 @@ static_assert(1 >= 0
   , "Please enable only one probe: PROBE_MANUALLY, FIX_MOUNTED_PROBE, Z Servo, BLTOUCH, Z_PROBE_ALLEN_KEY, or Z_PROBE_SLED."
 );
 
+
 #if PROBE_SELECTED
 
   /**
@@ -577,21 +596,26 @@ static_assert(1 >= 0
       #endif
     #endif
   #else // !ABL_GRID
-
-    // Check the triangulation points
-    #if ABL_PROBE_PT_1_X < MIN_PROBE_X || ABL_PROBE_PT_1_X > MAX_PROBE_X
-      #error "The given ABL_PROBE_PT_1_X can't be reached by the Z probe."
-    #elif ABL_PROBE_PT_2_X < MIN_PROBE_X || ABL_PROBE_PT_2_X > MAX_PROBE_X
-      #error "The given ABL_PROBE_PT_2_X can't be reached by the Z probe."
-    #elif ABL_PROBE_PT_3_X < MIN_PROBE_X || ABL_PROBE_PT_3_X > MAX_PROBE_X
-      #error "The given ABL_PROBE_PT_3_X can't be reached by the Z probe."
-    #elif ABL_PROBE_PT_1_Y < MIN_PROBE_Y || ABL_PROBE_PT_1_Y > MAX_PROBE_Y
-      #error "The given ABL_PROBE_PT_1_Y can't be reached by the Z probe."
-    #elif ABL_PROBE_PT_2_Y < MIN_PROBE_Y || ABL_PROBE_PT_2_Y > MAX_PROBE_Y
-      #error "The given ABL_PROBE_PT_2_Y can't be reached by the Z probe."
-    #elif ABL_PROBE_PT_3_Y < MIN_PROBE_Y || ABL_PROBE_PT_3_Y > MAX_PROBE_Y
-      #error "The given ABL_PROBE_PT_3_Y can't be reached by the Z probe."
-    #endif
+    #if ENABLED(AUTO_BED_LEVELING_UBL)
+      #ifndef EEPROM_SETTINGS
+        #error "AUTO_BED_LEVELING_UBL requires EEPROM_SETTINGS. Please update your configuration."
+      #endif
+    #else // !UBL
+      // Check the triangulation points
+      #if ABL_PROBE_PT_1_X < MIN_PROBE_X || ABL_PROBE_PT_1_X > MAX_PROBE_X
+        #error "The given ABL_PROBE_PT_1_X can't be reached by the Z probe."
+      #elif ABL_PROBE_PT_2_X < MIN_PROBE_X || ABL_PROBE_PT_2_X > MAX_PROBE_X
+        #error "The given ABL_PROBE_PT_2_X can't be reached by the Z probe."
+      #elif ABL_PROBE_PT_3_X < MIN_PROBE_X || ABL_PROBE_PT_3_X > MAX_PROBE_X
+        #error "The given ABL_PROBE_PT_3_X can't be reached by the Z probe."
+      #elif ABL_PROBE_PT_1_Y < MIN_PROBE_Y || ABL_PROBE_PT_1_Y > MAX_PROBE_Y
+        #error "The given ABL_PROBE_PT_1_Y can't be reached by the Z probe."
+      #elif ABL_PROBE_PT_2_Y < MIN_PROBE_Y || ABL_PROBE_PT_2_Y > MAX_PROBE_Y
+        #error "The given ABL_PROBE_PT_2_Y can't be reached by the Z probe."
+      #elif ABL_PROBE_PT_3_Y < MIN_PROBE_Y || ABL_PROBE_PT_3_Y > MAX_PROBE_Y
+        #error "The given ABL_PROBE_PT_3_Y can't be reached by the Z probe."
+      #endif
+    #endif // !AUTO_BED_LEVEING_UBL
 
   #endif // !ABL_GRID
 
diff --git a/Marlin/UBL.h b/Marlin/UBL.h
new file mode 100644
index 0000000000000000000000000000000000000000..2c262762880692e86271966def61bfb55cd20964
--- /dev/null
+++ b/Marlin/UBL.h
@@ -0,0 +1,331 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016, 2017 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "Marlin.h"
+#include "math.h"
+
+#ifndef UNIFIED_BED_LEVELING_H
+#define UNIFIED_BED_LEVELING_H
+
+  #if ENABLED(AUTO_BED_LEVELING_UBL)
+
+    #define UBL_OK false
+    #define UBL_ERR true
+
+    typedef struct {
+      int x_index, y_index;
+      float distance; // Not always used. But when populated, it is the distance
+                      // from the search location
+    } mesh_index_pair;
+
+    struct vector { double dx, dy, dz; };
+
+    enum Mesh_Point_Type { INVALID, REAL, SET_IN_BITMAP };
+
+    bool axis_unhomed_error(bool, bool, bool);
+    void dump(char *str, float f);
+    bool G29_lcd_clicked();
+    void probe_entire_mesh(float, float, bool, bool);
+    void UBL_line_to_destination(const float&, const float&, const float&, const float&, const float&, uint8_t);
+    void manually_probe_remaining_mesh(float, float, float, float, bool);
+    struct vector tilt_mesh_based_on_3pts(float, float, float);
+    void new_set_bed_level_equation_3pts(float, float, float);
+    float measure_business_card_thickness(float);
+    mesh_index_pair find_closest_mesh_point_of_type(Mesh_Point_Type, float, float, bool, unsigned int[16]);
+    void Find_Mean_Mesh_Height();
+    void Shift_Mesh_Height();
+    bool G29_Parameter_Parsing();
+    void G29_What_Command();
+    void G29_EEPROM_Dump();
+    void G29_Kompare_Current_Mesh_to_Stored_Mesh();
+    void fine_tune_mesh(float, float, float, bool);
+    void bit_clear(uint16_t bits[16], uint8_t x, uint8_t y);
+    void bit_set(uint16_t bits[16], uint8_t x, uint8_t y);
+    bool is_bit_set(uint16_t bits[16], uint8_t x, uint8_t y);
+    char *ftostr43sign(const float&, char);
+
+    void gcode_G26();
+    void gcode_G28();
+    void gcode_G29();
+    extern char conv[9];
+
+    void save_UBL_active_state_and_disable();
+    void restore_UBL_active_state_and_leave();
+
+    ///////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    #if ENABLED(ULTRA_LCD)
+      extern char lcd_status_message[];
+      void lcd_quick_feedback();
+    #endif
+
+    enum MBLStatus { MBL_STATUS_NONE = 0, MBL_STATUS_HAS_MESH_BIT = 0, MBL_STATUS_ACTIVE_BIT = 1 };
+
+    #define MESH_X_DIST ((float(UBL_MESH_MAX_X) - float(UBL_MESH_MIN_X)) / (float(UBL_MESH_NUM_X_POINTS) - 1.0))
+    #define MESH_Y_DIST ((float(UBL_MESH_MAX_Y) - float(UBL_MESH_MIN_Y)) / (float(UBL_MESH_NUM_Y_POINTS) - 1.0))
+
+    extern bool G26_Debug_flag;
+    extern float last_specified_z;
+    extern float fade_scaling_factor_for_current_height;
+    extern float z_values[UBL_MESH_NUM_X_POINTS][UBL_MESH_NUM_Y_POINTS];
+    extern float mesh_index_to_X_location[UBL_MESH_NUM_X_POINTS + 1]; // +1 just because of paranoia that we might end up on the
+    extern float mesh_index_to_Y_location[UBL_MESH_NUM_Y_POINTS + 1]; // the last Mesh Line and that is the start of a whole new cell
+
+    class bed_leveling {
+      public:
+      struct ubl_state {
+        bool active = false;
+        float z_offset = 0.0;
+        int EEPROM_storage_slot = -1,
+            n_x = UBL_MESH_NUM_X_POINTS,
+            n_y = UBL_MESH_NUM_Y_POINTS;
+        float mesh_x_min = UBL_MESH_MIN_X,
+              mesh_y_min = UBL_MESH_MIN_Y,
+              mesh_x_max = UBL_MESH_MAX_X,
+              mesh_y_max = UBL_MESH_MAX_Y,
+              mesh_x_dist = MESH_X_DIST,
+              mesh_y_dist = MESH_Y_DIST,
+              G29_Correction_Fade_Height = 10.0,
+              G29_Fade_Height_Multiplier = 1.0 / 10.0; // It is cheaper to do a floating point multiply than a floating
+                                                       // point divide. So, we keep this number in both forms. The first
+                                                       // is for the user. The second one is the one that is actually used
+                                                       // again and again and again during the correction calculations.
+
+        unsigned char padding[24];  // This is just to allow room to add state variables without
+                                    // changing the location of data structures in the EEPROM.
+                                    // This is for compatability with future versions to keep
+                                    // people from having to regenerate thier mesh data.
+                                    //
+                                    // If you change the contents of this struct, please adjust
+                                    // the padding[] to keep the size the same!
+      } state, pre_initialized;
+
+      bed_leveling();
+      //  ~bed_leveling();  // No destructor because this object never goes away!
+
+      void display_map(int);
+
+      void reset();
+      void invalidate();
+
+      void store_state();
+      void load_state();
+      void store_mesh(int);
+      void load_mesh(int);
+
+      bool sanity_check();
+
+      FORCE_INLINE float map_x_index_to_bed_location(int8_t i){ return ((float) UBL_MESH_MIN_X) + (((float) MESH_X_DIST) * (float) i); };
+      FORCE_INLINE float map_y_index_to_bed_location(int8_t i){ return ((float) UBL_MESH_MIN_Y) + (((float) MESH_Y_DIST) * (float) i); };
+
+      void set_z(const int8_t px, const int8_t py, const float z) { z_values[px][py] = z; }
+
+      int8_t get_cell_index_x(float x) {
+        int8_t cx = (x - (UBL_MESH_MIN_X)) * (1.0 / (MESH_X_DIST));
+        return constrain(cx, 0, (UBL_MESH_NUM_X_POINTS) - 1);   // -1 is appropriate if we want all movement to the X_MAX
+      }                                                         // position. But with this defined this way, it is possible
+                                                                // to extrapolate off of this point even further out. Probably
+                                                                // that is OK because something else should be keeping that from
+                                                                // happening and should not be worried about at this level.
+      int8_t get_cell_index_y(float y) {
+        int8_t cy = (y - (UBL_MESH_MIN_Y)) * (1.0 / (MESH_Y_DIST));
+        return constrain(cy, 0, (UBL_MESH_NUM_Y_POINTS) - 1);   // -1 is appropriate if we want all movement to the Y_MAX
+      }                                                         // position. But with this defined this way, it is possible
+                                                                // to extrapolate off of this point even further out. Probably
+                                                                // that is OK because something else should be keeping that from
+                                                                // happening and should not be worried about at this level.
+
+      int8_t find_closest_x_index(float x) {
+        int8_t px = (x - (UBL_MESH_MIN_X) + (MESH_X_DIST) * 0.5) * (1.0 / (MESH_X_DIST));
+        return (px >= 0 && px < (UBL_MESH_NUM_X_POINTS)) ? px : -1;
+      }
+
+      int8_t find_closest_y_index(float y) {
+        int8_t py = (y - (UBL_MESH_MIN_Y) + (MESH_Y_DIST) * 0.5) * (1.0 / (MESH_Y_DIST));
+        return (py >= 0 && py < (UBL_MESH_NUM_Y_POINTS)) ? py : -1;
+      }
+
+      /**
+       *                           z2   --|
+       *                 z0        |      |
+       *                  |        |      + (z2-z1)
+       *   z1             |        |      |
+       * ---+-------------+--------+--  --|
+       *   a1            a0        a2
+       *    |<---delta_a---------->|
+       *
+       *  calc_z0 is the basis for all the Mesh Based correction. It is used to
+       *  find the expected Z Height at a position between two known Z-Height locations
+       *
+       *  It is farly expensive with its 4 floating point additions and 2 floating point
+       *  multiplications.
+       */
+      inline float calc_z0(float a0, float a1, float z1, float a2, float z2) {
+        float delta_z = (z2 - z1);
+        float delta_a = (a0 - a1) / (a2 - a1);
+        return z1 + delta_a * delta_z;
+      }
+
+      /**
+       * get_z_correction_at_Y_intercept(float x0, int x1_i, int yi) only takes
+       * three parameters. It assumes the x0 point is on a Mesh line denoted by yi. In theory
+       * we could use get_cell_index_x(float x) to obtain the 2nd parameter x1_i but any code calling
+       * the get_z_correction_along_vertical_mesh_line_at_specific_X routine  will already have
+       * the X index of the x0 intersection available and we don't want to perform any extra floating
+       * point operations.
+       */
+      inline float get_z_correction_along_horizontal_mesh_line_at_specific_X(float x0, int x1_i, int yi) {
+        if (x1_i < 0 || yi < 0 || x1_i >= UBL_MESH_NUM_X_POINTS || yi >= UBL_MESH_NUM_Y_POINTS) {
+          SERIAL_ECHOPAIR("? in get_z_correction_along_horizontal_mesh_line_at_specific_X(x0=", x0);
+          SERIAL_ECHOPAIR(",x1_i=", x1_i);
+          SERIAL_ECHOPAIR(",yi=", yi);
+          SERIAL_CHAR(')');
+          SERIAL_EOL;
+          return NAN;
+        }
+
+        const float a0ma1diva2ma1 = (x0 - mesh_index_to_X_location[x1_i]) * (1.0 / (MESH_X_DIST)),
+                    z1 = z_values[x1_i][yi],
+                    z2 = z_values[x1_i + 1][yi],
+                    dz = (z2 - z1);
+
+        return z1 + a0ma1diva2ma1 * dz;
+      }
+
+      //
+      // See comments above for get_z_correction_along_horizontal_mesh_line_at_specific_X
+      //
+      inline float get_z_correction_along_vertical_mesh_line_at_specific_Y(float y0, int xi, int y1_i) {
+        if (xi < 0 || y1_i < 0 || xi >= UBL_MESH_NUM_X_POINTS || y1_i >= UBL_MESH_NUM_Y_POINTS) {
+          SERIAL_ECHOPAIR("? in get_z_correction_along_vertical_mesh_line_at_specific_X(y0=", y0);
+          SERIAL_ECHOPAIR(", x1_i=", xi);
+          SERIAL_ECHOPAIR(", yi=", y1_i);
+          SERIAL_CHAR(')');
+          SERIAL_EOL;
+          return NAN;
+        }
+
+        const float a0ma1diva2ma1 = (y0 - mesh_index_to_Y_location[y1_i]) * (1.0 / (MESH_Y_DIST)),
+                    z1 = z_values[xi][y1_i],
+                    z2 = z_values[xi][y1_i + 1],
+                    dz = (z2 - z1);
+
+        return z1 + a0ma1diva2ma1 * dz;
+      }
+
+      /**
+       * This is the generic Z-Correction. It works anywhere within a Mesh Cell. It first
+       * does a linear interpolation along both of the bounding X-Mesh-Lines to find the
+       * Z-Height at both ends. Then it does a linear interpolation of these heights based
+       * on the Y position within the cell.
+       */
+      float get_z_correction(float x0, float y0) {
+        int8_t cx = get_cell_index_x(x0),
+        cy = get_cell_index_y(y0);
+
+        if (cx < 0 || cy < 0 || cx >= UBL_MESH_NUM_X_POINTS || cy >= UBL_MESH_NUM_Y_POINTS) {
+
+          SERIAL_ECHOPAIR("? in get_z_correction(x0=", x0);
+          SERIAL_ECHOPAIR(", y0=", y0);
+          SERIAL_CHAR(')');
+          SERIAL_EOL;
+
+          #if ENABLED(ULTRA_LCD)
+            strcpy(lcd_status_message, "get_z_correction() indexes out of range.");
+            lcd_quick_feedback();
+          #endif
+          return 0.0; // this used to return state.z_offset
+        }
+
+        float z1 = calc_z0(x0,
+          map_x_index_to_bed_location(cx), z_values[cx][cy],
+          map_x_index_to_bed_location(cx + 1), z_values[cx + 1][cy]);
+        float z2 = calc_z0(x0,
+          map_x_index_to_bed_location(cx), z_values[cx][cy + 1],
+          map_x_index_to_bed_location(cx + 1), z_values[cx + 1][cy + 1]);
+        float z0 = calc_z0(y0,
+          map_y_index_to_bed_location(cy), z1,
+          map_y_index_to_bed_location(cy + 1), z2);
+
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (DEBUGGING(MESH_ADJUST)) {
+            SERIAL_ECHOPAIR(" raw get_z_correction(", x0);
+            SERIAL_ECHOPAIR(",", y0);
+            SERIAL_ECHOPGM(")=");
+            SERIAL_PROTOCOL_F(z0, 6);
+          }
+        #endif
+
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (DEBUGGING(MESH_ADJUST)) {
+            SERIAL_ECHOPGM(" >>>---> ");
+            SERIAL_PROTOCOL_F(z0, 6);
+            SERIAL_EOL;
+          }
+        #endif
+
+        if (isnan(z0)) { // if part of the Mesh is undefined, it will show up as NAN
+          z0 = 0.0;      // in blm.z_values[][] and propagate through the
+                         // calculations. If our correction is NAN, we throw it out
+                         // because part of the Mesh is undefined and we don't have the
+                         // information we need to complete the height correction.
+
+          #if ENABLED(DEBUG_LEVELING_FEATURE)
+            if (DEBUGGING(MESH_ADJUST)) {
+              SERIAL_ECHOPGM("??? Yikes!  NAN in get_z_correction( ");
+              SERIAL_ECHO(x0);
+              SERIAL_ECHOPGM(", ");
+              SERIAL_ECHO(y0);
+              SERIAL_ECHOLNPGM(" )");
+            }
+          #endif
+        }
+        return z0; // there used to be a +state.z_offset on this line
+      }
+
+      /**
+       * This routine is used to scale the Z correction depending upon the current nozzle height. It is
+       * optimized for speed. It avoids floating point operations by checking if the requested scaling
+       * factor is going to be the same as the last time the function calculated a value. If so, it just
+       * returns it.
+       *
+       * If it must do a calcuation, it will return a scaling factor of 0.0 if the UBL System is not active
+       * or if the current Z Height is past the specified 'Fade Height'
+       */
+      FORCE_INLINE float fade_scaling_factor_for_Z(float current_z) {
+        if (last_specified_z == current_z)
+          return fade_scaling_factor_for_current_height;
+
+        last_specified_z = current_z;
+        fade_scaling_factor_for_current_height =
+          state.active && current_z < state.G29_Correction_Fade_Height
+          ? 1.0 - (current_z * state.G29_Fade_Height_Multiplier)
+          : 0.0;
+        return fade_scaling_factor_for_current_height;
+      }
+    };
+
+    extern bed_leveling blm;
+    extern int Unified_Bed_Leveling_EEPROM_start;
+
+#endif // AUTO_BED_LEVELING_UBL
+#endif // UNIFIED_BED_LEVELING_H
\ No newline at end of file
diff --git a/Marlin/UBL_Bed_Leveling.cpp b/Marlin/UBL_Bed_Leveling.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..feff74e976cec28b3d142bc86dd68203f29ffad8
--- /dev/null
+++ b/Marlin/UBL_Bed_Leveling.cpp
@@ -0,0 +1,296 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "Marlin.h"
+#include "math.h"
+
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+  #include "UBL.h"
+  #include "hex_print_routines.h"
+
+  /**
+   * These variables used to be declared inside the bed_leveling class.  We are going to still declare
+   * them within the .cpp file for bed leveling.   But there is only one instance of the bed leveling
+   * object and we can get rid of a level of inderection by not making them 'member data'.  So, in the
+   * interest of speed, we do it this way.    When we move to a 32-Bit processor, they can be moved
+   * back inside the bed leveling class.
+   */
+  float last_specified_z,
+        fade_scaling_factor_for_current_height,
+        z_values[UBL_MESH_NUM_X_POINTS][UBL_MESH_NUM_Y_POINTS],
+        mesh_index_to_X_location[UBL_MESH_NUM_X_POINTS + 1], // +1 just because of paranoia that we might end up on the
+        mesh_index_to_Y_location[UBL_MESH_NUM_Y_POINTS + 1]; // the last Mesh Line and that is the start of a whole new cell
+
+  bed_leveling::bed_leveling() {
+    for (uint8_t i = 0; i <= UBL_MESH_NUM_X_POINTS; i++)  // We go one past what we expect to ever need for safety
+      mesh_index_to_X_location[i] = double(UBL_MESH_MIN_X) + double(MESH_X_DIST) * double(i);
+
+    for (uint8_t i = 0; i <= UBL_MESH_NUM_Y_POINTS; i++)  // We go one past what we expect to ever need for safety
+      mesh_index_to_Y_location[i] = double(UBL_MESH_MIN_Y) + double(MESH_Y_DIST) * double(i);
+
+    reset();
+  }
+
+  void bed_leveling::store_state() {
+    int k = E2END - sizeof(blm.state);
+    eeprom_write_block((void *)&blm.state, (void *)k, sizeof(blm.state));
+  }
+
+  void bed_leveling::load_state() {
+    int k = E2END - sizeof(blm.state);
+    eeprom_read_block((void *)&blm.state, (void *)k, sizeof(blm.state));
+
+    if (sanity_check())
+      SERIAL_PROTOCOLLNPGM("?In load_state() sanity_check() failed.\n");
+
+    // These lines can go away in a few weeks.  They are just
+    // to make sure people updating thier firmware won't be using
+    if (blm.state.G29_Fade_Height_Multiplier != 1.0 / blm.state.G29_Correction_Fade_Height) { // an incomplete Bed_Leveling.state structure. For speed
+      blm.state.G29_Fade_Height_Multiplier = 1.0 / blm.state.G29_Correction_Fade_Height;      // we now multiply by the inverse of the Fade Height instead of
+      store_state();   // dividing by it. Soon... all of the old structures will be
+    }                  // updated, but until then, we try to ease the transition
+                       // for our Beta testers.
+  }
+
+  void bed_leveling::load_mesh(int m) {
+    int k = E2END - sizeof(blm.state),
+        j = (k - Unified_Bed_Leveling_EEPROM_start) / sizeof(z_values);
+
+    if (m == -1) {
+      SERIAL_PROTOCOLLNPGM("?No mesh saved in EEPROM. Zeroing mesh in memory.\n");
+      reset();
+      return;
+    }
+
+    if (m < 0 || m >= j || Unified_Bed_Leveling_EEPROM_start <= 0) {
+      SERIAL_PROTOCOLLNPGM("?EEPROM storage not available to load mesh.\n");
+      return;
+    }
+
+    j = k - (m + 1) * sizeof(z_values);
+    eeprom_read_block((void *)&z_values , (void *)j, sizeof(z_values));
+
+    SERIAL_PROTOCOLPGM("Mesh loaded from slot ");
+    SERIAL_PROTOCOL(m);
+    SERIAL_PROTOCOLPGM("  at offset 0x");
+    prt_hex_word(j);
+    SERIAL_EOL;
+  }
+
+  void bed_leveling:: store_mesh(int m) {
+    int k = E2END - sizeof(state),
+        j = (k - Unified_Bed_Leveling_EEPROM_start) / sizeof(z_values);
+
+    if (m < 0 || m >= j || Unified_Bed_Leveling_EEPROM_start <= 0) {
+      SERIAL_PROTOCOLLNPGM("?EEPROM storage not available to load mesh.\n");
+      SERIAL_PROTOCOL(m);
+      SERIAL_PROTOCOLLNPGM(" mesh slots available.\n");
+      SERIAL_PROTOCOLLNPAIR("E2END     : ", E2END);
+      SERIAL_PROTOCOLLNPAIR("k         : ", k);
+      SERIAL_PROTOCOLLNPAIR("j         : ", j);
+      SERIAL_PROTOCOLLNPAIR("m         : ", m);
+      SERIAL_EOL;
+      return;
+    }
+
+    j = k - (m + 1) * sizeof(z_values);
+    eeprom_write_block((const void *)&z_values, (void *)j, sizeof(z_values));
+
+    SERIAL_PROTOCOLPGM("Mesh saved in slot ");
+    SERIAL_PROTOCOL(m);
+    SERIAL_PROTOCOLPGM("  at offset 0x");
+    prt_hex_word(j);
+    SERIAL_EOL;
+  }
+
+  void bed_leveling::reset() {
+    state.active = false;
+    state.z_offset = 0;
+    state.EEPROM_storage_slot = -1;
+
+    ZERO(z_values);
+
+    last_specified_z = -999.9;        // We can't pre-initialize these values in the declaration
+    fade_scaling_factor_for_current_height = 0.0; // due to C++11 constraints
+  }
+
+  void bed_leveling::invalidate() {
+    prt_hex_word((unsigned int)this);
+    SERIAL_EOL;
+
+    state.active = false;
+    state.z_offset = 0;
+    for (int x = 0; x < UBL_MESH_NUM_X_POINTS; x++)
+      for (int y = 0; y < UBL_MESH_NUM_Y_POINTS; y++)
+        z_values[x][y] = NAN;
+  }
+
+  void bed_leveling::display_map(int map_type) {
+    float f, current_xi, current_yi;
+    int8_t i, j;
+    UNUSED(map_type);
+
+    SERIAL_PROTOCOLLNPGM("\nBed Topography Report:\n");
+
+    SERIAL_ECHOPAIR("(", 0);
+    SERIAL_ECHOPAIR(", ", UBL_MESH_NUM_Y_POINTS - 1);
+    SERIAL_ECHOPGM(")    ");
+
+    current_xi = blm.get_cell_index_x(current_position[X_AXIS] + (MESH_X_DIST) / 2.0);
+    current_yi = blm.get_cell_index_y(current_position[Y_AXIS] + (MESH_Y_DIST) / 2.0);
+
+    for (i = 0; i < UBL_MESH_NUM_X_POINTS - 1; i++)
+      SERIAL_ECHOPGM("                 ");
+
+    SERIAL_ECHOPAIR("(", UBL_MESH_NUM_X_POINTS - 1);
+    SERIAL_ECHOPAIR(",", UBL_MESH_NUM_Y_POINTS - 1);
+    SERIAL_ECHOLNPGM(")");
+
+    //  if (map_type || 1) {
+    SERIAL_ECHOPAIR("(", UBL_MESH_MIN_X);
+    SERIAL_ECHOPAIR(",", UBL_MESH_MAX_Y);
+    SERIAL_CHAR(')');
+
+    for (i = 0; i < UBL_MESH_NUM_X_POINTS - 1; i++)
+      SERIAL_ECHOPGM("                 ");
+
+    SERIAL_ECHOPAIR("(", UBL_MESH_MAX_X);
+    SERIAL_ECHOPAIR(",", UBL_MESH_MAX_Y);
+    SERIAL_ECHOLNPGM(")");
+    //  }
+
+    for (j = UBL_MESH_NUM_Y_POINTS - 1; j >= 0; j--) {
+      for (i = 0; i < UBL_MESH_NUM_X_POINTS; i++) {
+        f = z_values[i][j];
+
+        // is the nozzle here?  if so, mark the number
+        SERIAL_CHAR(i == current_xi && j == current_yi ? '[' : ' ');
+
+        if (isnan(f))
+          SERIAL_PROTOCOLPGM("      .       ");
+        else {
+          // if we don't do this, the columns won't line up nicely
+          if (f >= 0.0) SERIAL_CHAR(' ');
+          SERIAL_PROTOCOL_F(f, 5);
+          idle();
+        }
+        if (i == current_xi && j == current_yi) // is the nozzle here? if so, finish marking the number
+          SERIAL_CHAR(']');
+        else
+          SERIAL_PROTOCOL("  ");
+
+        SERIAL_CHAR(' ');
+      }
+      SERIAL_EOL;
+      if (j) { // we want the (0,0) up tight against the block of numbers
+        SERIAL_CHAR(' ');
+        SERIAL_EOL;
+      }
+    }
+
+    //  if (map_type) {
+    SERIAL_ECHOPAIR("(", int(UBL_MESH_MIN_X));
+    SERIAL_ECHOPAIR(",", int(UBL_MESH_MIN_Y));
+    SERIAL_ECHOPGM(")    ");
+
+    for (i = 0; i < UBL_MESH_NUM_X_POINTS - 1; i++)
+      SERIAL_ECHOPGM("                 ");
+
+    SERIAL_ECHOPAIR("(", int(UBL_MESH_MAX_X));
+    SERIAL_ECHOPAIR(",", int(UBL_MESH_MIN_Y));
+    SERIAL_CHAR(')');
+    //  }
+
+    SERIAL_ECHOPAIR("(", 0);
+    SERIAL_ECHOPAIR(",", 0);
+    SERIAL_ECHOPGM(")       ");
+
+    for (i = 0; i < UBL_MESH_NUM_X_POINTS - 1; i++)
+      SERIAL_ECHOPGM("                 ");
+
+    SERIAL_ECHOPAIR("(", UBL_MESH_NUM_X_POINTS-1);
+    SERIAL_ECHOPAIR(",", 0);
+    SERIAL_CHAR(')');
+
+    SERIAL_CHAR(' ');
+    SERIAL_EOL;
+  }
+
+  bool bed_leveling::sanity_check() {
+    uint8_t error_flag = 0;
+
+    if (state.n_x !=  UBL_MESH_NUM_X_POINTS)  {
+      SERIAL_PROTOCOLLNPGM("?UBL_MESH_NUM_X_POINTS set wrong\n");
+      error_flag++;
+    }
+
+    if (state.n_y !=  UBL_MESH_NUM_Y_POINTS)  {
+      SERIAL_PROTOCOLLNPGM("?UBL_MESH_NUM_Y_POINTS set wrong\n");
+      error_flag++;
+    }
+
+    if (state.mesh_x_min !=  UBL_MESH_MIN_X)  {
+      SERIAL_PROTOCOLLNPGM("?UBL_MESH_MIN_X set wrong\n");
+      error_flag++;
+    }
+
+    if (state.mesh_y_min !=  UBL_MESH_MIN_Y)  {
+      SERIAL_PROTOCOLLNPGM("?UBL_MESH_MIN_Y set wrong\n");
+      error_flag++;
+    }
+
+    if (state.mesh_x_max !=  UBL_MESH_MAX_X)  {
+      SERIAL_PROTOCOLLNPGM("?UBL_MESH_MAX_X set wrong\n");
+      error_flag++;
+    }
+
+    if (state.mesh_y_max !=  UBL_MESH_MAX_Y)  {
+      SERIAL_PROTOCOLLNPGM("?UBL_MESH_MAX_Y set wrong\n");
+      error_flag++;
+    }
+
+    if (state.mesh_x_dist !=  MESH_X_DIST)  {
+      SERIAL_PROTOCOLLNPGM("?MESH_X_DIST set wrong\n");
+      error_flag++;
+    }
+
+    if (state.mesh_y_dist !=  MESH_Y_DIST)  {
+      SERIAL_PROTOCOLLNPGM("?MESH_Y_DIST set wrong\n");
+      error_flag++;
+    }
+
+    int k = E2END - sizeof(blm.state),
+        j = (k - Unified_Bed_Leveling_EEPROM_start) / sizeof(z_values);
+
+    if (j < 1) {
+      SERIAL_PROTOCOLLNPGM("?No EEPROM storage available for a mesh of this size.\n");
+      error_flag++;
+    }
+
+    //  SERIAL_PROTOCOLPGM("?sanity_check() return value: ");
+    //  SERIAL_PROTOCOL(error_flag);
+    //  SERIAL_EOL;
+
+    return !!error_flag;
+  }
+
+#endif // AUTO_BED_LEVELING_UBL
diff --git a/Marlin/UBL_G29.cpp b/Marlin/UBL_G29.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..7f4bdf3686951919b6ba800b650751dfd7b5de84
--- /dev/null
+++ b/Marlin/UBL_G29.cpp
@@ -0,0 +1,1455 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "Marlin.h"
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+  //#include "vector_3.h"
+  //#include "qr_solve.h"
+
+  #include "UBL.h"
+  #include "hex_print_routines.h"
+  #include "configuration_store.h"
+  #include "planner.h"
+  #include "ultralcd.h"
+
+  #include <avr/io.h>
+
+  void lcd_babystep_z();
+  void lcd_return_to_status();
+  bool lcd_clicked();
+  void lcd_implementation_clear();
+  void lcd_mesh_edit_setup(float inital);
+  float lcd_mesh_edit();
+  void lcd_z_offset_edit_setup(float);
+  float lcd_z_offset_edit();
+
+  extern float meshedit_done;
+  extern long babysteps_done;
+  extern float code_value_float();
+  extern bool code_value_bool();
+  extern bool code_has_value();
+  extern float probe_pt(float x, float y, bool, int);
+  extern float zprobe_zoffset;
+  extern bool set_probe_deployed(bool);
+  #define DEPLOY_PROBE() set_probe_deployed(true)
+  #define STOW_PROBE() set_probe_deployed(false)
+  bool ProbeStay = true;
+  float ubl_3_point_1_X = UBL_PROBE_PT_1_X;
+  float ubl_3_point_1_Y = UBL_PROBE_PT_1_Y;
+  float ubl_3_point_2_X = UBL_PROBE_PT_2_X;
+  float ubl_3_point_2_Y = UBL_PROBE_PT_2_Y;
+  float ubl_3_point_3_X = UBL_PROBE_PT_3_X;
+  float ubl_3_point_3_Y = UBL_PROBE_PT_3_Y;
+
+  #define SIZE_OF_LITTLE_RAISE 0
+  #define BIG_RAISE_NOT_NEEDED 0
+  extern void lcd_quick_feedback();
+
+  /**
+   * G29: Unified Bed Leveling by Roxy
+   */
+
+  // Transform required to compensate for bed level
+  //extern matrix_3x3 plan_bed_level_matrix;
+
+  /**
+   *   Get the position applying the bed level matrix
+   */
+
+  //vector_3 plan_get_position();
+
+  // static void set_bed_level_equation_lsq(double* plane_equation_coefficients);
+  // static void set_bed_level_equation_3pts(float z_at_pt_1, float z_at_pt_2, float z_at_pt_3);
+
+  /**
+   *   G29: Mesh Based Compensation System
+   *
+   *   Parameters understood by this leveling system:
+   *
+   *   A     Activate  Activate the Unified Bed Leveling system.
+   *
+   *   B #   Business  Use the 'Business Card' mode of the Manual Probe subsystem.  This is invoked as
+   *   G29 P2 B   The mode of G29 P2 allows you to use a bussiness card or recipe card
+   *   as a shim that the nozzle will pinch as it is lowered. The idea is that you
+   *   can easily feel the nozzle getting to the same height by the amount of resistance
+   *   the business card exhibits to movement. You should try to achieve the same amount
+   *   of resistance on each probed point to facilitate accurate and repeatable measurements.
+   *   You should be very careful not to drive the nozzle into the bussiness card with a
+   *   lot of force as it is very possible to cause damage to your printer if your are
+   *   careless.  If you use the B option with G29 P2 B you can leave the number parameter off
+   *   on its first use to enable measurement of the business card thickness.  Subsequent usage
+   *   of the B parameter can have the number previously measured supplied to the command.
+   *   Incidently, you are much better off using something like a Spark Gap feeler gauge than
+   *   something that compresses like a Business Card.
+   *
+   *   C     Continue  Continue, Constant, Current Location. This is not a primary command.  C is used to
+   *   further refine the behaviour of several other commands.  Issuing a G29 P1 C will
+   *   continue the generation of a partially constructed Mesh without invalidating what has
+   *   been done.  Issuing a G29 P2 C will tell the Manual Probe subsystem to use the current
+   *   location in its search for the closest unmeasured Mesh Point.  When used with a G29 Z C
+   *   it indicates to use the current location instead of defaulting to the center of the print bed.
+   *
+   *   D     Disable   Disable the Unified Bed Leveling system.
+   *
+   *   E     Stow_probe Stow the probe after each sampled point.
+   *
+   *   F #   Fade   *   Fade the amount of Mesh Based Compensation over a specified height.  At the specified height,
+   *   no correction is applied and natural printer kenimatics take over.  If no number is specified
+   *   for the command, 10mm is assummed to be reasonable.
+   *
+   *   G #   Grid   *   Perform a Grid Based Leveling of the current Mesh using a grid with n points on
+   *   a side.
+   *
+   *   H #   Height    Specify the Height to raise the nozzle after each manual probe of the bed.  The
+   *   default is 5mm.
+   *
+   *   I #   Invalidate Invalidate specified number of Mesh Points.  The nozzle location is used unless
+   *   the X and Y parameter are used. If no number is specified, only the closest Mesh
+   *   point to the location is invalidated.  The M parameter is available as well to produce
+   *   a map after the operation.  This command is useful to invalidate a portion of the
+   *   Mesh so it can be adjusted using other tools in the Unified Bed Leveling System.  When
+   *   attempting to invalidate an isolated bad point in the mesh, the M option will indicate
+   *   where the nozzle is positioned in the Mesh with (#).  You can move the nozzle around on
+   *   the bed and use this feature to select the center of the area (or cell) you want to
+   *   invalidate.
+   *
+   *   K #   Kompare   Kompare current Mesh with stored Mesh # replacing current Mesh with the result.  This
+   *   command litterly performs a difference between two Mesh.
+   *
+   *   L     Load   *   Load Mesh from the previously activated location in the EEPROM.
+   *
+   *   L #   Load   *   Load Mesh from the specified location in the EEPROM.  Set this location as activated
+   *   for subsequent Load and Store operations.
+   *
+   *   O     Map   *    Display the Mesh Map Topology.
+   *   The parameter can be specified alone (ie. G29 O) or in combination with many of the
+   *   other commands.  The Mesh Map option works with all of the Phase
+   *   commands (ie. G29 P4 R 5 X 50 Y100 C -.1 O)
+   *
+   *   N    No Home    G29 normally insists that a G28 has been performed.  You can over rule this with an
+   *   N option.  In general, you should not do this.  This can only be done safely with
+   *   commands that do not move the nozzle.
+   *
+   *   The P or Phase commands are used for the bulk of the work to setup a Mesh.  In general, your Mesh will
+   *   start off being initialized with a G29 P0 or a G29 P1. Further refinement of the Mesh happens with
+   *   each additional Phase that processes it.
+   *
+   *   P0    Phase 0   Zero Mesh Data and turn off the Mesh Compensation System.  This reverts the
+   *   3D Printer to the same state it was in before the Unified Bed Leveling Compensation
+   *   was turned on.  Setting the entire Mesh to Zero is a special case that allows
+   *   a subsequent G or T leveling operation for backward compatability.
+   *
+   *   P1    Phase 1   Invalidate entire Mesh and continue with automatic generation of the Mesh data using
+   *   the Z-Probe. Depending upon the values of DELTA_PROBEABLE_RADIUS and
+   *   DELTA_PRINTABLE_RADIUS some area of the bed will not have Mesh Data automatically
+   *   generated.  This will be handled in Phase 2.  If the Phase 1 command is given the
+   *   C (Continue) parameter it does not invalidate the Mesh prior to automatically
+   *   probing needed locations.  This allows you to invalidate portions of the Mesh but still
+   *   use the automatic probing capabilities of the Unified Bed Leveling System.  An X and Y
+   *   parameter can be given to prioritize where the command should be trying to measure points.
+   *   If the X and Y parameters are not specified the current probe position is used.  Phase 1
+   *   allows you to specify the M (Map) parameter so you can watch the generation of the Mesh.
+   *   Phase 1 also watches for the LCD Panel's Encoder Switch being held in a depressed state.
+   *   It will suspend generation of the Mesh if it sees the user request that.  (This check is
+   *   only done between probe points.  You will need to press and hold the switch until the
+   *   Phase 1 command can detect it.)
+   *
+   *   P2    Phase 2   Probe areas of the Mesh that can not be automatically handled.  Phase 2 respects an H
+   *   parameter to control the height between Mesh points.  The default height for movement
+   *   between Mesh points is 5mm.  A smaller number can be used to make this part of the
+   *   calibration less time consuming.  You will be running the nozzle down until it just barely
+   *   touches the glass.  You should have the nozzle clean with no plastic obstructing your view.
+   *   Use caution and move slowly.  It is possible to damage your printer if you are careless.
+   *   Note that this command will use the configuration #define SIZE_OF_LITTLE_RAISE if the
+   *   nozzle is moving a distance of less than BIG_RAISE_NOT_NEEDED.
+   *
+   *   The H parameter can be set negative if your Mesh dips in a large area.  You can press
+   *   and hold the LCD Panel's encoder wheel to terminate the current Phase 2 command.  You
+   *   can then re-issue the G29 P 2 command with an H parameter that is more suitable for the
+   *   area you are manually probing.  Note that the command tries to start you in a corner
+   *   of the bed where movement will be predictable.  You can force the location to be used in
+   *   the distance calculations by using the X and Y parameters.  You may find it is helpful to
+   *   print out a Mesh Map (G29 O ) to understand where the mesh is invalidated and where
+   *   the nozzle will need to move in order to complete the command.   The C parameter is
+   *   available on the Phase 2 command also and indicates the search for points to measure should
+   *   be done based on the current location of the nozzle.
+   *
+   *   A B parameter is also available for this command and described up above.  It places the
+   *   manual probe subsystem into Business Card mode where the thickness of a business care is
+   *   measured and then used to accurately set the nozzle height in all manual probing for the
+   *   duration of the command.  (S for Shim mode would be a better parameter name, but S is needed
+   *   for Save or Store of the Mesh to EEPROM)  A Business card can be used, but you will have
+   *   better results if you use a flexible Shim that does not compress very much.  That makes it
+   *   easier for you to get the nozzle to press with similar amounts of force against the shim so you
+   *   can get accurate measurements.  As you are starting to touch the nozzle against the shim try
+   *   to get it to grasp the shim with the same force as when you measured the thickness of the
+   *   shim at the start of the command.
+   *
+   *   Phase 2 allows the O (Map) parameter to be specified.  This helps the user see the progression
+   *   of the Mesh being built.
+   *
+   *   P3    Phase 3   Fill the unpopulated regions of the Mesh with a fixed value.  The C parameter is used to
+   *   specify the Constant value to fill all invalid areas of the Mesh.  If no C parameter is
+   *   specified, a value of 0.0 is assumed.  The R parameter can be given to specify the number
+   *   of points to set.  If the R parameter is specified the current nozzle position is used to
+   *   find the closest points to alter unless the X and Y parameter are used to specify the fill
+   *   location.
+   *
+   *   P4    Phase 4   Fine tune the Mesh.  The Delta Mesh Compensation System assume the existance of
+   *   an LCD Panel.  It is possible to fine tune the mesh without the use of an LCD Panel.
+   *   (More work and details on doing this later!)
+   *   The System will search for the closest Mesh Point to the nozzle.  It will move the
+   *   nozzle to this location.  The user can use the LCD Panel to carefully adjust the nozzle
+   *   so it is just barely touching the bed.  When the user clicks the control, the System
+   *   will lock in that height for that point in the Mesh Compensation System.
+   *
+   *   Phase 4 has several additional parameters that the user may find helpful.  Phase 4
+   *   can be started at a specific location by specifying an X and Y parameter.  Phase 4
+   *   can be requested to continue the adjustment of Mesh Points by using the R(epeat)
+   *   parameter.  If the Repetition count is not specified, it is assumed the user wishes
+   *   to adjust the entire matrix.  The nozzle is moved to the Mesh Point being edited.
+   *   The command can be terminated early (or after the area of interest has been edited) by
+   *   pressing and holding the encoder wheel until the system recognizes the exit request.
+   *   Phase 4's general form is G29 P4 [R # of points] [X position] [Y position]
+   *
+   *   Phase 4 is intended to be used with the G26 Mesh Validation Command.  Using the
+   *   information left on the printer's bed from the G26 command it is very straight forward
+   *   and easy to fine tune the Mesh.  One concept that is important to remember and that
+   *   will make using the Phase 4 command easy to use is this:  You are editing the Mesh Points.
+   *   If you have too little clearance and not much plastic was extruded in an area, you want to
+   *   LOWER the Mesh Point at the location.  If you did not get good adheasion, you want to
+   *   RAISE the Mesh Point at that location.
+   *
+   *
+   *   P5    Phase 5   Find Mean Mesh Height and Standard Deviation.  Typically, it is easier to use and
+   *   work with the Mesh if it is Mean Adjusted.  You can specify a C parameter to
+   *   Correct the Mesh to a 0.00 Mean Height.  Adding a C parameter will automatically
+   *   execute a G29 P6 C <mean height>.
+   *
+   *   P6    Phase 6   Shift Mesh height.  The entire Mesh's height is adjusted by the height specified
+   *   with the C parameter.  Being able to adjust the height of a Mesh is useful tool.  It
+   *   can be used to compensate for poorly calibrated Z-Probes and other errors.  Ideally,
+   *   you should have the Mesh adjusted for a Mean Height of 0.00 and the Z-Probe measuring
+   *   0.000 at the Z Home location.
+   *
+   *   Q     Test   *   Load specified Test Pattern to assist in checking correct operation of system.  This
+   *   command is not anticipated to be of much value to the typical user.  It is intended
+   *   for developers to help them verify correct operation of the Unified Bed Leveling System.
+   *
+   *   S     Store     Store the current Mesh in the Activated area of the EEPROM.  It will also store the
+   *   current state of the Unified Bed Leveling system in the EEPROM.
+   *
+   *   S #   Store     Store the current Mesh at the specified location in EEPROM.  Activate this location
+   *   for subsequent Load and Store operations.  It will also store the current state of
+   *   the Unified Bed Leveling system in the EEPROM.
+   *
+   *   S -1  Store     Store the current Mesh as a print out that is suitable to be feed back into
+   *   the system at a later date. The text generated can be saved and later sent by PronterFace or
+   *   Repetier Host to reconstruct the current mesh on another machine.
+   *
+   *   T     3-Point   Perform a 3 Point Bed Leveling on the current Mesh
+   *
+   *   W     What?     Display valuable data the Unified Bed Leveling System knows.
+   *
+   *   X #   *      *    Specify X Location for this line of commands
+   *
+   *   Y #   *      *    Specify Y Location for this line of commands
+   *
+   *   Z     Zero   *   Probes to set the Z Height of the nozzle.  The entire Mesh can be raised or lowered
+   *   by just doing a G29 Z
+   *
+   *   Z #   Zero   *   The entire Mesh can be raised or lowered to conform with the specified difference.
+   *   zprobe_zoffset is added to the calculation.
+   *
+   *
+   *   Release Notes:
+   *   You MUST do a M502 & M500 pair of commands to initialize the storage.  Failure to do this
+   *   will cause all kinds of problems.  Enabling EEPROM Storage is highly recommended.  With
+   *   EEPROM Storage of the mesh, you are limited to 3-Point and Grid Leveling.  (G29 P0 T and
+   *   G29 P0 G respectively.)
+   *
+   *   Z-Probe Sleds are not currently fully supported.  There were too many complications caused
+   *   by them to support them in the Unified Bed Leveling code.  Support for them will be handled
+   *   better in the upcoming Z-Probe Object that will happen during the Code Clean Up phase.  (That
+   *   is what they really are:  A special case of the Z-Probe.)  When a Z-Probe Object appears, it
+   *   should slip in under the Unified Bed Leveling code without major trauma.
+   *
+   *   When you do a G28 and then a G29 P1 to automatically build your first mesh, you are going to notice
+   *   the Unified Bed Leveling probes points further and further away from the starting location. (The
+   *   starting location defaults to the center of the bed.)   The original Grid and Mesh leveling used
+   *   a Zig Zag pattern. The new pattern is better, especially for people with Delta printers.  This
+   *   allows you to get the center area of the Mesh populated (and edited) quicker.  This allows you to
+   *   perform a small print and check out your settings quicker.  You do not need to populate the
+   *   entire mesh to use it.  (You don't want to spend a lot of time generating a mesh only to realize
+   *   you don't have the resolution or zprobe_zoffset set correctly.  The Mesh generation
+   *   gathers points closest to where the nozzle is located unless you specify an (X,Y) coordinate pair.
+   *
+   *   The Unified Bed Leveling uses a lot of EEPROM storage to hold its data.  And it takes some effort
+   *   to get this Mesh data correct for a user's printer.  We do not want this data destroyed as
+   *   new versions of Marlin add or subtract to the items stored in EEPROM.  So, for the benefit of
+   *   the users, we store the Mesh data at the end of the EEPROM and do not keep it contiguous with the
+   *   other data stored in the EEPROM.  (For sure the developers are going to complain about this, but
+   *   this is going to be helpful to the users!)
+   *
+   *   The foundation of this Bed Leveling System is built on Epatel's Mesh Bed Leveling code.  A big
+   *   'Thanks!' to him and the creators of 3-Point and Grid Based leveling.  Combining thier contributions
+   *   we now have the functionality and features of all three systems combined.
+   */
+
+  int Unified_Bed_Leveling_EEPROM_start = -1;
+  int UBL_has_control_of_LCD_Panel = 0;
+  volatile int G29_encoderDiff = 0; // This is volatile because it is getting changed at interrupt time.
+
+  // We keep the simple parameter flags and values as 'static' because we break out the
+  // parameter parsing into a support routine.
+
+  static int G29_Verbose_Level = 0, Test_Value = 0,
+             Phase_Value = -1, Repetition_Cnt = 1;
+  static bool Repeat_Flag = UBL_OK, C_Flag = false, X_Flag = UBL_OK, Y_Flag = UBL_OK, Statistics_Flag = UBL_OK, Business_Card_Mode = false;
+  static float X_Pos = 0.0, Y_Pos = 0.0, Height_Value = 5.0, measured_z, card_thickness = 0.0, Constant = 0.0;
+  static int Storage_Slot = 0, Test_Pattern = 0;
+
+  #if ENABLED(ULTRA_LCD)
+    void lcd_setstatus(const char* message, bool persist);
+  #endif
+
+  void gcode_G29() {
+    mesh_index_pair location;
+    int i, j, k;
+    float Z1, Z2, Z3;
+
+    G29_Verbose_Level = 0;  // These may change, but let's get some reasonable values into them.
+    Repeat_Flag       = UBL_OK;
+    Repetition_Cnt    = 1;
+    C_Flag            = false;
+
+    SERIAL_PROTOCOLPGM("Unified_Bed_Leveling_EEPROM_start=");
+    SERIAL_PROTOCOLLN(Unified_Bed_Leveling_EEPROM_start);
+
+    if (Unified_Bed_Leveling_EEPROM_start < 0) {
+      SERIAL_PROTOCOLLNPGM("?You need to enable your EEPROM and initialize it ");
+      SERIAL_PROTOCOLLNPGM("with M502, M500, M501 in that order.\n");
+      return;
+    }
+
+    if (!code_seen('N') && axis_unhomed_error(true, true, true))  // Don't allow auto-leveling without homing first
+      gcode_G28();
+
+    if (G29_Parameter_Parsing()) return; // abort if parsing the simple parameters causes a problem,
+
+    // Invalidate Mesh Points. This command is a little bit asymetrical because
+    // it directly specifies the repetition count and does not use the 'R' parameter.
+    if (code_seen('I')) {
+      Repetition_Cnt = code_has_value() ? code_value_int() : 1;
+      while (Repetition_Cnt--) {
+        location = find_closest_mesh_point_of_type(REAL, X_Pos, Y_Pos, 0, NULL);  // The '0' says we want to use the nozzle's position
+        if (location.x_index < 0) {
+          SERIAL_PROTOCOLLNPGM("Entire Mesh invalidated.\n");
+          break;            // No more invalid Mesh Points to populate
+        }
+        z_values[location.x_index][location.y_index] = NAN;
+      }
+      SERIAL_PROTOCOLLNPGM("Locations invalidated.\n");
+    }
+
+    if (code_seen('Q')) {
+
+      if (code_has_value()) Test_Pattern = code_value_int();
+
+      if (Test_Pattern < 0 || Test_Pattern > 4) {
+        SERIAL_PROTOCOLLNPGM("Invalid Test_Pattern value. (0-4)\n");
+        return;
+      }
+      SERIAL_PROTOCOLLNPGM("Loading Test_Pattern values.\n");
+      switch (Test_Pattern) {
+        case 0:
+          for (i = 0; i < UBL_MESH_NUM_X_POINTS; i++) {         // Create a bowl shape. This is
+            for (j = 0; j < UBL_MESH_NUM_Y_POINTS; j++) {       // similar to what a user would see with
+              Z1 = 0.5 * (UBL_MESH_NUM_X_POINTS) - i;  // a poorly calibrated Delta.
+              Z2 = 0.5 * (UBL_MESH_NUM_Y_POINTS) - j;
+              z_values[i][j] += 2.0 * HYPOT(Z1, Z2);
+            }
+          }
+        break;
+        case 1:
+          for (i = 0; i < UBL_MESH_NUM_X_POINTS; i++) {         // Create a diagonal line several Mesh
+            z_values[i][i] += 9.999;                             // cells thick that is raised
+            if (i < UBL_MESH_NUM_Y_POINTS - 1)
+              z_values[i][i + 1] += 9.999;                       // We want the altered line several mesh points thick
+            if (i > 0)
+              z_values[i][i - 1] += 9.999;                       // We want the altered line several mesh points thick
+          }
+          break;
+        case 2:
+          // Allow the user to specify the height because 10mm is
+          // a little bit extreme in some cases.
+          for (i = (UBL_MESH_NUM_X_POINTS) / 3.0; i < 2 * ((UBL_MESH_NUM_X_POINTS) / 3.0); i++)   // Create a rectangular raised area in
+            for (j = (UBL_MESH_NUM_Y_POINTS) / 3.0; j < 2 * ((UBL_MESH_NUM_Y_POINTS) / 3.0); j++) // the center of the bed
+              z_values[i][j] += code_seen('C') ? Constant : 9.99;
+          break;
+        case 3:
+          break;
+      }
+    }
+
+    if (code_seen('P')) {
+      Phase_Value = code_value_int();
+      if (Phase_Value < 0 || Phase_Value > 7) {
+        SERIAL_PROTOCOLLNPGM("Invalid Phase value. (0-4)\n");
+        return;
+      }
+      switch (Phase_Value) {
+        //
+        // Zero Mesh Data
+        //
+        case 0:
+          blm.reset();
+          SERIAL_PROTOCOLLNPGM("Mesh zeroed.\n");
+          break;
+        //
+        // Invalidate Entire Mesh and Automatically Probe Mesh in areas that can be reached by the probe
+        //
+        case 1:
+          if (!code_seen('C') )  {
+            blm.invalidate();
+            SERIAL_PROTOCOLLNPGM("Mesh invalidated. Probing mesh.\n");
+          }
+          if (G29_Verbose_Level > 1) {
+            SERIAL_ECHOPGM("Probing Mesh Points Closest to (");
+            SERIAL_ECHO(X_Pos);
+            SERIAL_ECHOPAIR(",", Y_Pos);
+            SERIAL_PROTOCOLLNPGM(")\n");
+          }
+          probe_entire_mesh( X_Pos+X_PROBE_OFFSET_FROM_EXTRUDER, Y_Pos+Y_PROBE_OFFSET_FROM_EXTRUDER,
+                             code_seen('O') || code_seen('M'), code_seen('E'));
+          break;
+        //
+        // Manually Probe Mesh in areas that can not be reached by the probe
+        //
+        case 2:
+          SERIAL_PROTOCOLLNPGM("Manually probing unreachable mesh locations.\n");
+          do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
+          if (!X_Flag && !Y_Flag) {      // use a good default location for the path
+            X_Pos = X_MIN_POS;
+            Y_Pos = Y_MIN_POS;
+            if (X_PROBE_OFFSET_FROM_EXTRUDER > 0)   // The flipped > and < operators on these two comparisons is
+              X_Pos = X_MAX_POS;                    // intentional. It should cause the probed points to follow a
+
+            if (Y_PROBE_OFFSET_FROM_EXTRUDER < 0)   // nice path on Cartesian printers. It may make sense to
+              Y_Pos = Y_MAX_POS;                    // have Delta printers default to the center of the bed.
+
+          }           // For now, until that is decided, it can be forced with the X
+                      // and Y parameters.
+          if (code_seen('C')) {
+            X_Pos = current_position[X_AXIS];
+            Y_Pos = current_position[Y_AXIS];
+          }
+
+          Height_Value = code_seen('H') && code_has_value() ? code_value_float() : Z_CLEARANCE_BETWEEN_PROBES;
+
+          if ((Business_Card_Mode = code_seen('B'))) {
+            card_thickness = code_has_value() ? code_value_float() : measure_business_card_thickness(Height_Value);
+
+            if (fabs(card_thickness) > 1.5)  {
+              SERIAL_PROTOCOLLNPGM("?Error in Business Card measurment.\n");
+              return;
+            }
+          }
+          manually_probe_remaining_mesh( X_Pos, Y_Pos, Height_Value, card_thickness, code_seen('O') || code_seen('M'));
+          break;
+        //
+        // Populate invalid Mesh areas with a constant
+        //
+        case 3:
+          Height_Value = 0.0; // Assume 0.0 until proven otherwise
+          if (code_seen('C')) Height_Value = Constant;
+          // If no repetition is specified, do the whole Mesh
+          if (!Repeat_Flag) Repetition_Cnt = 9999;
+          while (Repetition_Cnt--) {
+            location = find_closest_mesh_point_of_type( INVALID, X_Pos, Y_Pos, 0, NULL); // The '0' says we want to use the nozzle's position
+            if (location.x_index < 0) break; // No more invalid Mesh Points to populate
+            z_values[location.x_index][location.y_index] = Height_Value;
+          }
+          break;
+        //
+        // Fine Tune (Or Edit) the Mesh
+        //
+        case 4:
+          fine_tune_mesh(X_Pos, Y_Pos, Height_Value, code_seen('O') || code_seen('M'));
+          break;
+        case 5:
+          Find_Mean_Mesh_Height();
+          break;
+        case 6:
+          Shift_Mesh_Height();
+          break;
+
+        case 10:
+          UBL_has_control_of_LCD_Panel++;     // Debug code... Pan no attention to this stuff
+          SERIAL_ECHO_START;
+          SERIAL_ECHOPGM("Checking G29 has control of LCD Panel:\n");
+          while(!G29_lcd_clicked()) {
+            idle();
+            delay(250);
+            SERIAL_PROTOCOL(G29_encoderDiff);
+            G29_encoderDiff = 0;
+            SERIAL_EOL;
+          }
+          while (G29_lcd_clicked()) idle();
+          UBL_has_control_of_LCD_Panel = 0;;
+          SERIAL_ECHOPGM("G29 giving back control of LCD Panel.\n");
+          break;
+      }
+    }
+
+    if (code_seen('T')) {
+      Z1 = probe_pt(ubl_3_point_1_X, ubl_3_point_1_Y, false /*Stow Flag*/, G29_Verbose_Level) + zprobe_zoffset;
+      Z2 = probe_pt(ubl_3_point_2_X, ubl_3_point_2_Y, false /*Stow Flag*/, G29_Verbose_Level) + zprobe_zoffset;
+      Z3 = probe_pt(ubl_3_point_3_X, ubl_3_point_3_Y, true  /*Stow Flag*/, G29_Verbose_Level) + zprobe_zoffset;
+
+      //  We need to adjust Z1, Z2, Z3 by the Mesh Height at these points. Just because they are non-zero doesn't mean
+      //  the Mesh is tilted!  (We need to compensate each probe point by what the Mesh says that location's height is)
+
+      Z1 -= blm.get_z_correction(ubl_3_point_1_X, ubl_3_point_1_Y);
+      Z2 -= blm.get_z_correction(ubl_3_point_2_X, ubl_3_point_2_Y);
+      Z3 -= blm.get_z_correction(ubl_3_point_3_X, ubl_3_point_3_Y);
+
+      do_blocking_move_to_xy((X_MAX_POS - (X_MIN_POS)) / 2.0, (Y_MAX_POS - (Y_MIN_POS)) / 2.0);
+      tilt_mesh_based_on_3pts(Z1, Z2, Z3);
+    }
+
+    //
+    // Much of the 'What?' command can be eliminated. But until we are fully debugged, it is
+    // good to have the extra information. Soon... we prune this to just a few items
+    //
+    if (code_seen('W')) G29_What_Command();
+
+    //
+    // When we are fully debugged, the EEPROM dump command will get deleted also. But
+    // right now, it is good to have the extra information. Soon... we prune this.
+    //
+    if (code_seen('J')) G29_EEPROM_Dump();   // EEPROM Dump
+
+    //
+    // When we are fully debugged, this may go away. But there are some valid
+    // use cases for the users. So we can wait and see what to do with it.
+    //
+
+    if (code_seen('K')) // Kompare Current Mesh Data to Specified Stored Mesh
+      G29_Kompare_Current_Mesh_to_Stored_Mesh();
+
+    //
+    // Load a Mesh from the EEPROM
+    //
+
+    if (code_seen('L')) {     // Load Current Mesh Data
+      Storage_Slot = code_has_value() ? code_value_int() : blm.state.EEPROM_storage_slot;
+
+      k = E2END - sizeof(blm.state);
+      j = (k - Unified_Bed_Leveling_EEPROM_start) / sizeof(z_values);
+
+      if (Storage_Slot < 0 || Storage_Slot >= j || Unified_Bed_Leveling_EEPROM_start <= 0) {
+        SERIAL_PROTOCOLLNPGM("?EEPROM storage not available for use.\n");
+        return;
+      }
+      blm.load_mesh(Storage_Slot);
+      blm.state.EEPROM_storage_slot = Storage_Slot;
+      if (Storage_Slot != blm.state.EEPROM_storage_slot)
+        blm.store_state();
+      SERIAL_PROTOCOLLNPGM("Done.\n");
+    }
+
+    //
+    // Store a Mesh in the EEPROM
+    //
+
+    if (code_seen('S')) {     // Store (or Save) Current Mesh Data
+      Storage_Slot = code_has_value() ? code_value_int() : blm.state.EEPROM_storage_slot;
+
+      if (Storage_Slot == -1) {                     // Special case, we are going to 'Export' the mesh to the
+        SERIAL_ECHOPGM("G29 I 999\n");                // host in a form it can be reconstructed on a different machine
+        for (i = 0; i < UBL_MESH_NUM_X_POINTS; i++) {
+          for (j = 0;  j < UBL_MESH_NUM_Y_POINTS; j++) {
+            if (!isnan(z_values[i][j])) {
+              SERIAL_ECHOPAIR("M421 I ", i);
+              SERIAL_ECHOPAIR(" J ", j);
+              SERIAL_ECHOPGM(" Z ");
+              SERIAL_PROTOCOL_F(z_values[i][j], 6);
+              SERIAL_EOL;
+            }
+          }
+        }
+        return;
+      }
+
+      int k = E2END - sizeof(blm.state),
+          j = (k - Unified_Bed_Leveling_EEPROM_start) / sizeof(z_values);
+
+      if (Storage_Slot < 0 || Storage_Slot >= j || Unified_Bed_Leveling_EEPROM_start <= 0) {
+        SERIAL_PROTOCOLLNPGM("?EEPROM storage not available for use.\n");
+        SERIAL_PROTOCOLLNPAIR("?Use 0 to ", j - 1);
+        goto LEAVE;
+      }
+      blm.store_mesh(Storage_Slot);
+      blm.state.EEPROM_storage_slot = Storage_Slot;
+      //
+      //  if (Storage_Slot != blm.state.EEPROM_storage_slot)
+      blm.store_state();    // Always save an updated copy of the UBL State info
+
+      SERIAL_PROTOCOLLNPGM("Done.\n");
+    }
+
+    if (code_seen('O') || code_seen('M')) {
+      i = code_has_value() ? code_value_int() : 0;
+      blm.display_map(i);
+    }
+
+    if (code_seen('Z')) {
+      if (code_has_value()) {
+        blm.state.z_offset = code_value_float();   // do the simple case. Just lock in the specified value
+      }
+      else {
+        save_UBL_active_state_and_disable();
+        //measured_z = probe_pt(X_Pos + X_PROBE_OFFSET_FROM_EXTRUDER, Y_Pos+Y_PROBE_OFFSET_FROM_EXTRUDER, ProbeDeployAndStow, G29_Verbose_Level);
+
+        measured_z = 1.5;
+        do_blocking_move_to_z(measured_z);  // Get close to the bed, but leave some space so we don't damage anything
+                                            // The user is not going to be locking in a new Z-Offset very often so
+                                            // it won't be that painful to spin the Encoder Wheel for 1.5mm
+        lcd_implementation_clear();
+        lcd_z_offset_edit_setup(measured_z);
+        do {
+          measured_z = lcd_z_offset_edit();
+          idle();
+          do_blocking_move_to_z(measured_z);
+        } while (!G29_lcd_clicked());
+
+        UBL_has_control_of_LCD_Panel = 1; // There is a race condition for the Encoder Wheel getting clicked.
+                                          // It could get detected in lcd_mesh_edit (actually _lcd_mesh_fine_tune( )
+                                          // or here. So, until we are done looking for a long Encoder Wheel Press,
+                                          // we need to take control of the panel
+        millis_t nxt = millis() + 1500UL;
+        lcd_return_to_status();
+        while (G29_lcd_clicked()) { // debounce and watch for abort
+          idle();
+          if (ELAPSED(millis(), nxt)) {
+            SERIAL_PROTOCOLLNPGM("\nZ-Offset Adjustment Stopped.");
+            do_blocking_move_to_z(Z_CLEARANCE_DEPLOY_PROBE);
+            lcd_setstatus("Z-Offset Stopped", true);
+
+            while (G29_lcd_clicked()) idle();
+
+            UBL_has_control_of_LCD_Panel = 0;
+            restore_UBL_active_state_and_leave();
+            goto LEAVE;
+          }
+        }
+        UBL_has_control_of_LCD_Panel = 0;
+        delay(20); // We don't want any switch noise.
+
+        blm.state.z_offset = measured_z;
+
+        lcd_implementation_clear();
+        restore_UBL_active_state_and_leave();
+      }
+    }
+
+    LEAVE:
+    #if ENABLED(ULTRA_LCD)
+      lcd_setstatus("                         ", true);
+      lcd_quick_feedback();
+    #endif
+    UBL_has_control_of_LCD_Panel = 0;
+  }
+
+  void Find_Mean_Mesh_Height()  {
+    int i, j, n;
+    float sum, sum_of_diff_squared, sigma, difference, mean;
+
+    sum = sum_of_diff_squared = 0.0;
+    n = 0;
+    for (i = 0; i < UBL_MESH_NUM_X_POINTS; i++) {
+      for (j = 0; j < UBL_MESH_NUM_Y_POINTS; j++) {
+        if (!isnan(z_values[i][j])) {
+          sum += z_values[i][j];
+          n++;
+        }
+      }
+    }
+    mean = sum / n;
+    //
+    // Now do the sumation of the squares of difference from mean
+    //
+    for (i = 0; i < UBL_MESH_NUM_X_POINTS; i++) {
+      for (j = 0;  j < UBL_MESH_NUM_Y_POINTS; j++) {
+        if (!isnan(z_values[i][j])) {
+          difference = (z_values[i][j] - mean);
+          sum_of_diff_squared += difference * difference;
+        }
+      }
+    }
+    SERIAL_ECHOLNPAIR("# of samples: ", n);
+    SERIAL_ECHOPGM("Mean Mesh Height: ");
+    SERIAL_PROTOCOL_F(mean, 6);
+    SERIAL_EOL;
+
+    sigma = sqrt( sum_of_diff_squared / (n + 1));
+    SERIAL_ECHOPGM("Standard Deviation: ");
+    SERIAL_PROTOCOL_F(sigma, 6);
+    SERIAL_EOL;
+
+    if (C_Flag)
+      for (i = 0; i < UBL_MESH_NUM_X_POINTS; i++)
+        for (j = 0;  j < UBL_MESH_NUM_Y_POINTS; j++)
+          if (!isnan(z_values[i][j]))
+            z_values[i][j] -= mean + Constant;
+  }
+
+  void Shift_Mesh_Height( )  {
+    for (uint8_t i = 0; i < UBL_MESH_NUM_X_POINTS; i++)
+      for (uint8_t j = 0;  j < UBL_MESH_NUM_Y_POINTS; j++)
+        if (!isnan(z_values[i][j]))
+          z_values[i][j] += Constant;
+  }
+
+  // probe_entire_mesh(X_Pos, Y_Pos)  probes all invalidated locations of the mesh that can be reached
+  // by the probe. It attempts to fill in locations closest to the nozzle's start location first.
+
+  void probe_entire_mesh(float X_Pos, float Y_Pos, bool do_UBL_MESH_Map, bool stow_probe)  {
+    mesh_index_pair location;
+    float xProbe, yProbe, measured_z;
+
+    UBL_has_control_of_LCD_Panel++;
+    save_UBL_active_state_and_disable();   // we don't do bed level correction because we want the raw data when we probe
+    DEPLOY_PROBE();
+
+    do {
+      if (G29_lcd_clicked()) {
+        SERIAL_PROTOCOLLNPGM("\nMesh only partially populated.");
+        lcd_quick_feedback();
+        while (G29_lcd_clicked()) idle();
+        UBL_has_control_of_LCD_Panel = 0;
+        STOW_PROBE();
+        restore_UBL_active_state_and_leave();
+        return;
+      }
+      location = find_closest_mesh_point_of_type( INVALID, X_Pos,  Y_Pos, 1, NULL);  // the '1' says we want the location to be relative to the probe
+      if (location.x_index>=0 && location.y_index>=0) {
+        xProbe = blm.map_x_index_to_bed_location(location.x_index);
+        yProbe = blm.map_y_index_to_bed_location(location.y_index);
+        if (xProbe < MIN_PROBE_X || xProbe > MAX_PROBE_X || yProbe < MIN_PROBE_Y || yProbe > MAX_PROBE_Y) {
+          SERIAL_PROTOCOLLNPGM("?Error: Attempt to probe off the bed.");
+          UBL_has_control_of_LCD_Panel = 0;
+          goto LEAVE;
+        }
+        measured_z = probe_pt(xProbe, yProbe, stow_probe, G29_Verbose_Level);
+        z_values[location.x_index][location.y_index] = measured_z + Z_PROBE_OFFSET_FROM_EXTRUDER;
+      }
+
+      if (do_UBL_MESH_Map) blm.display_map(1);
+    } while (location.x_index >= 0 && location.y_index >= 0);
+
+    LEAVE:
+    STOW_PROBE();
+    restore_UBL_active_state_and_leave();
+
+    X_Pos = constrain( X_Pos-X_PROBE_OFFSET_FROM_EXTRUDER, X_MIN_POS, X_MAX_POS);
+    Y_Pos = constrain( Y_Pos-Y_PROBE_OFFSET_FROM_EXTRUDER, Y_MIN_POS, Y_MAX_POS);
+
+    do_blocking_move_to_xy(X_Pos, Y_Pos);
+  }
+
+  struct vector tilt_mesh_based_on_3pts(float pt1, float pt2, float pt3) {
+    struct vector v1, v2, normal;
+    float c, d, t;
+    int i, j;
+
+    v1.dx = (ubl_3_point_1_X - ubl_3_point_2_X);
+    v1.dy = (ubl_3_point_1_Y - ubl_3_point_2_Y);
+    v1.dz = (pt1 - pt2);
+
+    v2.dx = (ubl_3_point_3_X - ubl_3_point_2_X);
+    v2.dy = (ubl_3_point_3_Y - ubl_3_point_2_Y);
+    v2.dz = (pt3 - pt2);
+
+    // do cross product
+
+    normal.dx = v1.dy * v2.dz - v1.dz * v2.dy;
+    normal.dy = v1.dz * v2.dx - v1.dx * v2.dz;
+    normal.dz = v1.dx * v2.dy - v1.dy * v2.dx;
+
+    // printf("[%f,%f,%f]    ", normal.dx, normal.dy, normal.dz);
+
+    normal.dx /= normal.dz; // This code does two things. This vector is normal to the tilted plane.
+    normal.dy /= normal.dz; // However, we don't know its direction. We need it to point up. So if
+    normal.dz /= normal.dz; // Z is negative, we need to invert the sign of all components of the vector
+    // We also need Z to be unity because we are going to be treating this triangle
+    // as the sin() and cos() of the bed's tilt
+
+    //
+    // All of 3 of these points should give us the same d constant
+    //
+    t = normal.dx * ubl_3_point_1_X + normal.dy * ubl_3_point_1_Y;
+    d = t + normal.dz * pt1;
+    c = d - t;
+    SERIAL_ECHOPGM("d from 1st point: ");
+    SERIAL_PROTOCOL_F(d, 6);
+    SERIAL_ECHOPGM("  c: ");
+    SERIAL_PROTOCOL_F(c, 6);
+    SERIAL_EOL;
+    t = normal.dx * ubl_3_point_2_X + normal.dy * ubl_3_point_2_Y;
+    d = t + normal.dz * pt2;
+    c = d - t;
+    SERIAL_ECHOPGM("d from 2nd point: ");
+    SERIAL_PROTOCOL_F(d, 6);
+    SERIAL_ECHOPGM("  c: ");
+    SERIAL_PROTOCOL_F(c, 6);
+    SERIAL_EOL;
+    t = normal.dx * ubl_3_point_3_X + normal.dy * ubl_3_point_3_Y;
+    d = t + normal.dz * pt3;
+    c = d - t;
+    SERIAL_ECHOPGM("d from 3rd point: ");
+    SERIAL_PROTOCOL_F(d, 6);
+    SERIAL_ECHOPGM("  c: ");
+    SERIAL_PROTOCOL_F(c, 6);
+    SERIAL_EOL;
+
+    for (i = 0; i < UBL_MESH_NUM_X_POINTS; i++) {
+      for (j = 0; j < UBL_MESH_NUM_Y_POINTS; j++) {
+        c = -((normal.dx * (UBL_MESH_MIN_X + i * (MESH_X_DIST)) + normal.dy * (UBL_MESH_MIN_Y + j * (MESH_Y_DIST))) - d);
+        z_values[i][j] += c;
+      }
+    }
+    return normal;
+  }
+
+  float use_encoder_wheel_to_measure_point() {
+    UBL_has_control_of_LCD_Panel++;
+    while (!G29_lcd_clicked()) {     // we need the loop to move the nozzle based on the encoder wheel here!
+      idle();
+      if (G29_encoderDiff != 0) {
+        float new_z;
+        // We define a new variable so we can know ahead of time where we are trying to go.
+        // The reason is we want G29_encoderDiff cleared so an interrupt can update it even before the move
+        // is complete. (So the dial feels responsive to user)
+        new_z = current_position[Z_AXIS] + 0.01 * float(G29_encoderDiff);
+        G29_encoderDiff = 0;
+        do_blocking_move_to_z(new_z);
+      }
+    }
+    while (G29_lcd_clicked()) idle(); // debounce and wait
+    UBL_has_control_of_LCD_Panel--;
+    return current_position[Z_AXIS];
+  }
+
+  float measure_business_card_thickness(float Height_Value) {
+    float Z1, Z2;
+
+    UBL_has_control_of_LCD_Panel++;
+    save_UBL_active_state_and_disable();   // we don't do bed level correction because we want the raw data when we probe
+
+    SERIAL_PROTOCOLLNPGM("Place Shim Under Nozzle and Perform Measurement.");
+    do_blocking_move_to_z(Height_Value);
+    do_blocking_move_to_xy((float(X_MAX_POS) - float(X_MIN_POS)) / 2.0, (float(Y_MAX_POS) - float(Y_MIN_POS)) / 2.0);
+      //, min( planner.max_feedrate_mm_s[X_AXIS], planner.max_feedrate_mm_s[Y_AXIS])/2.0);
+
+    Z1 = use_encoder_wheel_to_measure_point();
+    do_blocking_move_to_z(current_position[Z_AXIS] + SIZE_OF_LITTLE_RAISE);
+    UBL_has_control_of_LCD_Panel = 0;
+
+    SERIAL_PROTOCOLLNPGM("Remove Shim and Measure Bed Height.");
+    Z2 = use_encoder_wheel_to_measure_point();
+    do_blocking_move_to_z(current_position[Z_AXIS] + SIZE_OF_LITTLE_RAISE);
+
+    if (G29_Verbose_Level > 1) {
+      SERIAL_ECHOPGM("Business Card is: ");
+      SERIAL_PROTOCOL_F(abs(Z1 - Z2), 6);
+      SERIAL_PROTOCOLLNPGM("mm thick.");
+    }
+    restore_UBL_active_state_and_leave();
+    return abs(Z1 - Z2);
+  }
+
+  void manually_probe_remaining_mesh(float X_Pos, float Y_Pos, float z_clearance, float card_thickness, bool do_UBL_MESH_Map) {
+    mesh_index_pair location;
+    float last_x, last_y, dx, dy,
+          xProbe, yProbe;
+    unsigned long cnt;
+
+    UBL_has_control_of_LCD_Panel++;
+    last_x = last_y = -9999.99;
+    save_UBL_active_state_and_disable();   // we don't do bed level correction because we want the raw data when we probe
+    do_blocking_move_to_z(z_clearance);
+    do_blocking_move_to_xy(X_Pos, Y_Pos);
+
+    do {
+      if (do_UBL_MESH_Map) blm.display_map(1);
+
+      location = find_closest_mesh_point_of_type(INVALID, X_Pos, Y_Pos, 0, NULL); // The '0' says we want to use the nozzle's position
+      // It doesn't matter if the probe can not reach the
+      // NAN location. This is a manual probe.
+      if (location.x_index < 0 && location.y_index < 0) continue;
+
+      xProbe = blm.map_x_index_to_bed_location(location.x_index);
+      yProbe = blm.map_y_index_to_bed_location(location.y_index);
+      if (xProbe < (X_MIN_POS) || xProbe > (X_MAX_POS) || yProbe < (Y_MIN_POS) || yProbe > (Y_MAX_POS))  {
+        SERIAL_PROTOCOLLNPGM("?Error: Attempt to probe off the bed.");
+        UBL_has_control_of_LCD_Panel = 0;
+        goto LEAVE;
+      }
+
+      dx = xProbe - last_x;
+      dy = yProbe - last_y;
+
+      if (HYPOT(dx, dy) < BIG_RAISE_NOT_NEEDED)
+        do_blocking_move_to_z(current_position[Z_AXIS] + SIZE_OF_LITTLE_RAISE);
+      else
+        do_blocking_move_to_z(z_clearance);
+
+      last_x = xProbe;
+      last_y = yProbe;
+      do_blocking_move_to_xy(xProbe, yProbe);
+
+      while (!G29_lcd_clicked()) {     // we need the loop to move the nozzle based on the encoder wheel here!
+        idle();
+        if (G29_encoderDiff) {
+          float new_z;
+          // We define a new variable so we can know ahead of time where we are trying to go.
+          // The reason is we want G29_encoderDiff cleared so an interrupt can update it even before the move
+          // is complete. (So the dial feels responsive to user)
+          new_z = current_position[Z_AXIS] + float(G29_encoderDiff) / 100.0;
+          G29_encoderDiff = 0;
+          do_blocking_move_to_z(new_z);
+        }
+      }
+
+      cnt = millis();
+      while (G29_lcd_clicked()) {     // debounce and watch for abort
+        idle();
+        if (millis() - cnt > 1500L) {
+          SERIAL_PROTOCOLLNPGM("\nMesh only partially populated.");
+          do_blocking_move_to_z(Z_CLEARANCE_DEPLOY_PROBE);
+          lcd_quick_feedback();
+          while (G29_lcd_clicked()) idle();
+          UBL_has_control_of_LCD_Panel = 0;
+          restore_UBL_active_state_and_leave();
+          return;
+        }
+      }
+
+      z_values[location.x_index][location.y_index] = current_position[Z_AXIS] - card_thickness;
+      if (G29_Verbose_Level > 2) {
+        SERIAL_PROTOCOL("Mesh Point Measured at: ");
+        SERIAL_PROTOCOL_F(z_values[location.x_index][location.y_index], 6);
+        SERIAL_EOL;
+      }
+    } while (location.x_index >= 0 && location.y_index >= 0);
+
+    if (do_UBL_MESH_Map) blm.display_map(1);
+
+    LEAVE:
+    restore_UBL_active_state_and_leave();
+    do_blocking_move_to_z(Z_CLEARANCE_DEPLOY_PROBE);
+    do_blocking_move_to_xy(X_Pos, Y_Pos);
+  }
+
+  bool G29_Parameter_Parsing() {
+
+    #if ENABLED(ULTRA_LCD)
+      lcd_setstatus("Doing G29 UBL !", true);
+      lcd_quick_feedback();
+    #endif
+
+    X_Pos = current_position[X_AXIS];
+    Y_Pos = current_position[Y_AXIS];
+    X_Flag = Y_Flag = Repeat_Flag = UBL_OK;
+    Constant = 0.0;
+    Repetition_Cnt = 1;
+
+    if ((X_Flag = code_seen('X'))) {
+      X_Pos = code_value_float();
+      if (X_Pos < X_MIN_POS || X_Pos > X_MAX_POS) {
+        SERIAL_PROTOCOLLNPGM("Invalid X location specified.\n");
+        return UBL_ERR;
+      }
+    }
+
+    if ((Y_Flag = code_seen('Y'))) {
+      Y_Pos = code_value_float();
+      if (Y_Pos < Y_MIN_POS || Y_Pos > Y_MAX_POS) {
+        SERIAL_PROTOCOLLNPGM("Invalid Y location specified.\n");
+        return UBL_ERR;
+      }
+    }
+
+    if (X_Flag != Y_Flag) {
+      SERIAL_PROTOCOLLNPGM("Both X & Y locations must be specified.\n");
+      return UBL_ERR;
+    }
+
+    G29_Verbose_Level = 0;
+    if (code_seen('V')) {
+      G29_Verbose_Level = code_value_int();
+      if (G29_Verbose_Level < 0 || G29_Verbose_Level > 4) {
+        SERIAL_PROTOCOLLNPGM("Invalid Verbose Level specified. (0-4)\n");
+        return UBL_ERR;
+      }
+    }
+
+    if (code_seen('A')) {     // Activate the Unified Bed Leveling System
+      blm.state.active = 1;
+      SERIAL_PROTOCOLLNPGM("Unified Bed Leveling System activated.\n");
+      blm.store_state();
+    }
+
+    if ((C_Flag = code_seen('C')) && code_has_value())
+      Constant = code_value_float();
+
+    if (code_seen('D')) {     // Disable the Unified Bed Leveling System
+      blm.state.active = 0;
+      SERIAL_PROTOCOLLNPGM("Unified Bed Leveling System de-activated.\n");
+      blm.store_state();
+    }
+
+    if (code_seen('F')) {
+      blm.state.G29_Correction_Fade_Height = 10.00;
+      if (code_has_value()) {
+        blm.state.G29_Correction_Fade_Height = code_value_float();
+        blm.state.G29_Fade_Height_Multiplier = 1.0 / blm.state.G29_Correction_Fade_Height;
+      }
+      if (blm.state.G29_Correction_Fade_Height<0.0 || blm.state.G29_Correction_Fade_Height>100.0) {
+        SERIAL_PROTOCOLLNPGM("?Bed Level Correction Fade Height Not Plausable.\n");
+        blm.state.G29_Correction_Fade_Height = 10.00;
+        blm.state.G29_Fade_Height_Multiplier = 1.0 / blm.state.G29_Correction_Fade_Height;
+        return UBL_ERR;
+      }
+    }
+
+    if ((Repeat_Flag = code_seen('R'))) {
+      Repetition_Cnt = code_has_value() ? code_value_int() : 9999;
+      if (Repetition_Cnt < 1) {
+        SERIAL_PROTOCOLLNPGM("Invalid Repetition count.\n");
+        return UBL_ERR;
+      }
+    }
+    return UBL_OK;
+  }
+
+  /**
+   * This function goes away after G29 debug is complete. But for right now, it is a handy
+   * routine to dump binary data structures.
+   */
+  void dump(char *str, float f) {
+    char *ptr;
+
+    SERIAL_PROTOCOL(str);
+    SERIAL_PROTOCOL_F(f, 8);
+    SERIAL_PROTOCOL("  ");
+    ptr = (char *)&f;
+    for (uint8_t i = 0; i < 4; i++) {
+      SERIAL_PROTOCOL("  ");
+      prt_hex_byte(*ptr++);
+    }
+    SERIAL_PROTOCOL("  isnan()=");
+    SERIAL_PROTOCOL(isnan(f));
+    SERIAL_PROTOCOL("  isinf()=");
+    SERIAL_PROTOCOL(isinf(f));
+
+    constexpr float g = INFINITY;
+    if (f == -g)
+      SERIAL_PROTOCOL("  Minus Infinity detected.");
+
+    SERIAL_EOL;
+  }
+
+  static int UBL_state_at_invokation = 0,
+             UBL_state_recursion_chk = 0;
+
+  void save_UBL_active_state_and_disable() {
+    UBL_state_recursion_chk++;
+    if (UBL_state_recursion_chk != 1) {
+      SERIAL_ECHOLNPGM("save_UBL_active_state_and_disabled() called multiple times in a row.");
+      lcd_setstatus("save_UBL_active() error", true);
+      lcd_quick_feedback();
+      return;
+    }
+    UBL_state_at_invokation = blm.state.active;
+    blm.state.active = 0;
+    return;
+  }
+
+  void restore_UBL_active_state_and_leave() {
+    if (--UBL_state_recursion_chk) {
+      SERIAL_ECHOLNPGM("restore_UBL_active_state_and_leave() called too many times.");
+      lcd_setstatus("restore_UBL_active() error", true);
+      lcd_quick_feedback();
+      return;
+    }
+    blm.state.active = UBL_state_at_invokation;
+  }
+
+  /**
+   * Much of the 'What?' command can be eliminated. But until we are fully debugged, it is
+   * good to have the extra information. Soon... we prune this to just a few items
+   */
+  void G29_What_Command() {
+    int k, i;
+    k = E2END - Unified_Bed_Leveling_EEPROM_start;
+    Statistics_Flag++;
+
+    SERIAL_PROTOCOLPGM("Version #4: 10/30/2016 branch \n");
+    SERIAL_PROTOCOLPGM("Unified Bed Leveling System ");
+    if (blm.state.active)
+      SERIAL_PROTOCOLPGM("Active.");
+    else
+      SERIAL_PROTOCOLPGM("Inactive.");
+    SERIAL_PROTOCOLLNPGM("  -------------------------------------       <----<<<");  // These arrows are just to help me
+
+    if (blm.state.EEPROM_storage_slot == 0xFFFF)  {
+      SERIAL_PROTOCOLPGM("No Mesh Loaded.");
+      SERIAL_PROTOCOLLNPGM("  -------------------------------------       <----<<<"); // These arrows are just to help me
+      // find this info buried in the clutter
+    }
+    else {
+      SERIAL_PROTOCOLPGM("Mesh: ");
+      prt_hex_word(blm.state.EEPROM_storage_slot);
+      SERIAL_PROTOCOLPGM(" Loaded. ");
+      SERIAL_PROTOCOLLNPGM("  --------------------------------------------------------       <----<<<"); // These arrows are just to help me
+      // find this info buried in the clutter
+    }
+
+    SERIAL_ECHOPAIR("\nG29_Correction_Fade_Height : ", blm.state.G29_Correction_Fade_Height );
+    SERIAL_PROTOCOLPGM("  -------------------------------------       <----<<< \n");  // These arrows are just to help me
+    // find this info buried in the clutter
+    idle();
+
+    SERIAL_ECHOPGM("z_offset: ");
+    SERIAL_PROTOCOL_F(blm.state.z_offset, 6);
+    SERIAL_PROTOCOLLNPGM("  ------------------------------------------------------------       <----<<<");
+
+    SERIAL_PROTOCOLPGM("X-Axis Mesh Points at: ");
+    for (i = 0; i < UBL_MESH_NUM_X_POINTS; i++) {
+      SERIAL_PROTOCOL_F( blm.map_x_index_to_bed_location(i), 1);
+      SERIAL_PROTOCOLPGM("  ");
+    }
+    SERIAL_EOL;
+    SERIAL_PROTOCOLPGM("Y-Axis Mesh Points at: ");
+    for (i = 0; i < UBL_MESH_NUM_Y_POINTS; i++) {
+      SERIAL_PROTOCOL_F( blm.map_y_index_to_bed_location(i), 1);
+      SERIAL_PROTOCOLPGM("  ");
+    }
+    SERIAL_EOL;
+
+    #if HAS_KILL
+      SERIAL_ECHOPAIR("Kill pin on :", KILL_PIN);
+      SERIAL_ECHOLNPAIR("  state:", READ(KILL_PIN));
+    #endif
+
+    SERIAL_ECHOLNPAIR("UBL_state_at_invokation :", UBL_state_at_invokation);
+    SERIAL_ECHOLNPAIR("UBL_state_recursion_chk :", UBL_state_recursion_chk);
+
+    SERIAL_EOL;
+    SERIAL_PROTOCOLPGM("Free EEPROM space starts at: 0x");
+    prt_hex_word(Unified_Bed_Leveling_EEPROM_start);
+    SERIAL_EOL;
+    idle();
+
+    SERIAL_PROTOCOLPGM("end of EEPROM              : ");
+    prt_hex_word(E2END);
+    SERIAL_EOL;
+    idle();
+
+    SERIAL_PROTOCOLLNPAIR("sizeof(blm) :  ", (int)sizeof(blm));
+    SERIAL_EOL;
+    SERIAL_PROTOCOLLNPAIR("z_value[][] size: ", (int)sizeof(z_values));
+    SERIAL_EOL;
+
+    SERIAL_PROTOCOLPGM("EEPROM free for UBL: 0x");
+    prt_hex_word(k);
+    SERIAL_EOL;
+    idle();
+
+    SERIAL_PROTOCOLPGM("EEPROM can hold 0x");
+    prt_hex_word(k / sizeof(z_values));
+    SERIAL_PROTOCOLPGM(" meshes. \n");
+
+    SERIAL_PROTOCOLPGM("sizeof(stat)     :");
+    prt_hex_word(sizeof(blm.state));
+    SERIAL_EOL;
+    idle();
+
+    SERIAL_ECHOPAIR("\nUBL_MESH_NUM_X_POINTS  ", UBL_MESH_NUM_X_POINTS);
+    SERIAL_ECHOPAIR("\nUBL_MESH_NUM_Y_POINTS  ", UBL_MESH_NUM_Y_POINTS);
+    SERIAL_ECHOPAIR("\nUBL_MESH_MIN_X         ", UBL_MESH_MIN_X);
+    SERIAL_ECHOPAIR("\nUBL_MESH_MIN_Y         ", UBL_MESH_MIN_Y);
+    SERIAL_ECHOPAIR("\nUBL_MESH_MAX_X         ", UBL_MESH_MAX_X);
+    SERIAL_ECHOPAIR("\nUBL_MESH_MAX_Y         ", UBL_MESH_MAX_Y);
+    SERIAL_ECHOPGM("\nMESH_X_DIST        ");
+    SERIAL_PROTOCOL_F(MESH_X_DIST, 6);
+    SERIAL_ECHOPGM("\nMESH_Y_DIST        ");
+    SERIAL_PROTOCOL_F(MESH_Y_DIST, 6);
+    SERIAL_EOL;
+    idle();
+
+    SERIAL_ECHOPAIR("\nsizeof(block_t): ", (int)sizeof(block_t));
+    SERIAL_ECHOPAIR("\nsizeof(planner.block_buffer): ", (int)sizeof(planner.block_buffer));
+    SERIAL_ECHOPAIR("\nsizeof(char): ", (int)sizeof(char));
+    SERIAL_ECHOPAIR("   sizeof(unsigned char): ", (int)sizeof(unsigned char));
+    SERIAL_ECHOPAIR("\nsizeof(int): ", (int)sizeof(int));
+    SERIAL_ECHOPAIR("   sizeof(unsigned int): ", (int)sizeof(unsigned int));
+    SERIAL_ECHOPAIR("\nsizeof(long): ", (int)sizeof(long));
+    SERIAL_ECHOPAIR("   sizeof(unsigned long int): ", (int)sizeof(unsigned long int));
+    SERIAL_ECHOPAIR("\nsizeof(float): ", (int)sizeof(float));
+    SERIAL_ECHOPAIR("   sizeof(double): ", (int)sizeof(double));
+    SERIAL_ECHOPAIR("\nsizeof(void *): ", (int)sizeof(void *));
+    struct pf { void *p_f(); } ptr_func;
+    SERIAL_ECHOPAIR("   sizeof(struct pf): ", (int)sizeof(pf));
+    SERIAL_ECHOPAIR("   sizeof(void *()): ", (int)sizeof(ptr_func));
+    SERIAL_EOL;
+
+    idle();
+
+    if (!blm.sanity_check())
+      SERIAL_PROTOCOLLNPGM("Unified Bed Leveling sanity checks passed.");
+  }
+
+  /**
+   * When we are fully debugged, the EEPROM dump command will get deleted also. But
+   * right now, it is good to have the extra information. Soon... we prune this.
+   */
+  void G29_EEPROM_Dump() {
+    unsigned char cccc;
+    int i, j, kkkk;
+
+    SERIAL_ECHO_START;
+    SERIAL_ECHOPGM("EEPROM Dump:\n");
+    for (i = 0; i < E2END + 1; i += 16) {
+      if (i & 0x3 == 0) idle();
+      prt_hex_word(i);
+      SERIAL_ECHOPGM(": ");
+      for (j = 0; j < 16; j++) {
+        kkkk = i + j;
+        eeprom_read_block(&cccc, (void *)kkkk, 1);
+        prt_hex_byte(cccc);
+        SERIAL_ECHO(' ');
+      }
+      SERIAL_EOL;
+    }
+    SERIAL_EOL;
+    return;
+  }
+
+  /**
+   * When we are fully debugged, this may go away. But there are some valid
+   * use cases for the users. So we can wait and see what to do with it.
+   */
+  void G29_Kompare_Current_Mesh_to_Stored_Mesh()  {
+    float tmp_z_values[UBL_MESH_NUM_X_POINTS][UBL_MESH_NUM_Y_POINTS];
+    int i, j, k;
+
+    if (!code_has_value()) {
+      SERIAL_PROTOCOLLNPGM("?Mesh # required.\n");
+      return;
+    }
+    Storage_Slot = code_value_int();
+
+    k = E2END - sizeof(blm.state);
+    j = (k - Unified_Bed_Leveling_EEPROM_start) / sizeof(tmp_z_values);
+
+    if (Storage_Slot < 0 || Storage_Slot > j || Unified_Bed_Leveling_EEPROM_start <= 0) {
+      SERIAL_PROTOCOLLNPGM("?EEPROM storage not available for use.\n");
+      return;
+    }
+
+    j = k - (Storage_Slot + 1) * sizeof(tmp_z_values);
+    eeprom_read_block((void *)&tmp_z_values, (void *)j, sizeof(tmp_z_values));
+
+    SERIAL_ECHOPAIR("Subtracting Mesh ", Storage_Slot);
+    SERIAL_PROTOCOLPGM(" loaded from EEPROM address ");   // Soon, we can remove the extra clutter of printing
+    prt_hex_word(j);            // the address in the EEPROM where the Mesh is stored.
+    SERIAL_EOL;
+
+    for (i = 0; i < UBL_MESH_NUM_X_POINTS; i++)
+      for (j = 0; j < UBL_MESH_NUM_Y_POINTS; j++)
+        z_values[i][j] = z_values[i][j] - tmp_z_values[i][j];
+  }
+
+  mesh_index_pair find_closest_mesh_point_of_type(Mesh_Point_Type type, float X, float Y, bool probe_as_reference, unsigned int bits[16]) {
+    int i, j;
+    float f, px, py, mx, my, dx, dy, closest = 99999.99;
+    float current_x, current_y, distance;
+    mesh_index_pair return_val;
+
+    return_val.x_index = return_val.y_index = -1;
+
+    current_x = current_position[X_AXIS];
+    current_y = current_position[Y_AXIS];
+
+    px = X;       // Get our reference position. Either the nozzle or
+    py = Y;       // the probe location.
+    if (probe_as_reference) {
+      px -= X_PROBE_OFFSET_FROM_EXTRUDER;
+      py -= Y_PROBE_OFFSET_FROM_EXTRUDER;
+    }
+
+    for (i = 0; i < UBL_MESH_NUM_X_POINTS; i++) {
+      for (j = 0; j < UBL_MESH_NUM_Y_POINTS; j++) {
+
+        if ( (type == INVALID && isnan(z_values[i][j]))  // Check to see if this location holds the right thing
+          || (type == REAL && !isnan(z_values[i][j]))
+          || (type == SET_IN_BITMAP && is_bit_set(bits, i, j))
+        ) {
+
+          // We only get here if we found a Mesh Point of the specified type
+
+          mx = blm.map_x_index_to_bed_location(i); // Check if we can probe this mesh location
+          my = blm.map_y_index_to_bed_location(j);
+
+          // If we are using the probe as the reference
+          // there are some locations we can't get to.
+          // We prune these out of the list and ignore
+          // them until the next Phase where we do the
+          // manual nozzle probing.
+          if (probe_as_reference
+            && (mx < (MIN_PROBE_X) || mx > (MAX_PROBE_X))
+            && (my < (MIN_PROBE_Y) || my > (MAX_PROBE_Y))
+          ) continue;
+
+          dx = px - mx;         // We can get to it. Let's see if it is the
+          dy = py - my;         // closest location to the nozzle.
+          distance = HYPOT(dx, dy);
+
+          dx = current_x - mx;                    // We are going to add in a weighting factor that considers
+          dy = current_y - my;                    // the current location of the nozzle. If two locations are equal
+          distance += HYPOT(dx, dy) * 0.01;       // distance from the measurement location, we are going to give
+
+          if (distance < closest) {
+            closest = distance;       // We found a closer location with
+            return_val.x_index = i;   // the specified type of mesh value.
+            return_val.y_index = j;
+            return_val.distance = closest;
+          }
+        }
+      }
+    }
+    return return_val;
+  }
+
+  void fine_tune_mesh(float X_Pos, float Y_Pos, float Height_Value, bool do_UBL_MESH_Map) {
+    mesh_index_pair location;
+    float xProbe, yProbe, new_z;
+    uint16_t i, not_done[16];
+    long round_off;
+
+    save_UBL_active_state_and_disable();
+    memset(not_done, 0xFF, sizeof(not_done));
+
+    #if ENABLED(ULTRA_LCD)
+      lcd_setstatus("Fine Tuning Mesh.", true);
+    #endif
+
+    do_blocking_move_to_z(Z_CLEARANCE_DEPLOY_PROBE);
+    do_blocking_move_to_xy(X_Pos, Y_Pos);
+    do {
+      if (do_UBL_MESH_Map) blm.display_map(1);
+
+      location = find_closest_mesh_point_of_type( SET_IN_BITMAP, X_Pos,  Y_Pos, 0, not_done); // The '0' says we want to use the nozzle's position
+                                                                                              // It doesn't matter if the probe can not reach this
+                                                                                              // location. This is a manual edit of the Mesh Point.
+      if (location.x_index < 0 && location.y_index < 0) continue; // abort if we can't find any more points.
+
+      bit_clear(not_done, location.x_index, location.y_index);  // Mark this location as 'adjusted' so we will find a
+                                                                // different location the next time through the loop
+
+      xProbe = blm.map_x_index_to_bed_location(location.x_index);
+      yProbe = blm.map_y_index_to_bed_location(location.y_index);
+      if (xProbe < X_MIN_POS || xProbe > X_MAX_POS || yProbe < Y_MIN_POS || yProbe > Y_MAX_POS) { // In theory, we don't need this check.
+        SERIAL_PROTOCOLLNPGM("?Error: Attempt to edit off the bed.");                             // This really can't happen, but for now,
+        UBL_has_control_of_LCD_Panel = 0;                                                         // Let's do the check.
+        goto FINE_TUNE_EXIT;
+      }
+
+      do_blocking_move_to_z(Z_CLEARANCE_DEPLOY_PROBE);    // Move the nozzle to where we are going to edit
+      do_blocking_move_to_xy(xProbe, yProbe);
+      new_z = z_values[location.x_index][location.y_index] + 0.001;
+
+      round_off = (int32_t)(new_z * 1000.0 + 2.5); // we chop off the last digits just to be clean. We are rounding to the
+      round_off -= (round_off % 5L); // closest 0 or 5 at the 3rd decimal place.
+      new_z = ((float)(round_off)) / 1000.0;
+
+      //SERIAL_ECHOPGM("Mesh Point Currently At:  ");
+      //SERIAL_PROTOCOL_F(new_z, 6);
+      //SERIAL_EOL;
+
+      lcd_implementation_clear();
+      lcd_mesh_edit_setup(new_z);
+      UBL_has_control_of_LCD_Panel++;
+      do {
+        new_z = lcd_mesh_edit();
+        idle();
+      } while (!G29_lcd_clicked());
+
+      UBL_has_control_of_LCD_Panel = 1; // There is a race condition for the Encoder Wheel getting clicked.
+                                        // It could get detected in lcd_mesh_edit (actually _lcd_mesh_fine_tune( )
+                                        // or here.
+      millis_t nxt = millis() + 1500UL;
+      lcd_return_to_status();
+      while (G29_lcd_clicked()) { // debounce and watch for abort
+        idle();
+        if (ELAPSED(millis(), nxt)) {
+          lcd_return_to_status();
+          SERIAL_PROTOCOLLNPGM("\nFine Tuning of Mesh Stopped.");
+          do_blocking_move_to_z(Z_CLEARANCE_DEPLOY_PROBE);
+          lcd_setstatus("Mesh Editing Stopped", true);
+
+          while (G29_lcd_clicked()) idle();
+
+          UBL_has_control_of_LCD_Panel = 0;
+          goto FINE_TUNE_EXIT;
+        }
+      }
+      //UBL_has_control_of_LCD_Panel = 0;
+      delay(20);                       // We don't want any switch noise.
+
+      z_values[location.x_index][location.y_index] = new_z;
+
+      lcd_implementation_clear();
+
+    } while (location.x_index >= 0 && location.y_index >= 0 && --Repetition_Cnt);
+
+    FINE_TUNE_EXIT:
+
+    if (do_UBL_MESH_Map) blm.display_map(1);
+    restore_UBL_active_state_and_leave();
+    do_blocking_move_to_z(Z_CLEARANCE_DEPLOY_PROBE);
+
+    do_blocking_move_to_xy(X_Pos, Y_Pos);
+
+    UBL_has_control_of_LCD_Panel = 0;
+
+    #if ENABLED(ULTRA_LCD)
+      lcd_setstatus("Done Editing Mesh", true);
+    #endif
+    SERIAL_ECHOLNPGM("Done Editing Mesh.");
+  }
+
+#endif // AUTO_BED_LEVELING_UBL
diff --git a/Marlin/UBL_line_to_destination.cpp b/Marlin/UBL_line_to_destination.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..bb3956dc38147ae214321f6dcaf7bfe9a395c078
--- /dev/null
+++ b/Marlin/UBL_line_to_destination.cpp
@@ -0,0 +1,553 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include "Marlin.h"
+
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+
+  #include "UBL.h"
+  #include "planner.h"
+  #include <avr/io.h>
+  #include <math.h>
+
+  extern void set_current_to_destination();
+  extern bool G26_Debug_flag;
+  void debug_current_and_destination(char *title);
+
+  void wait_for_button_press();
+
+  void UBL_line_to_destination(const float &x_end, const float &y_end, const float &z_end, const float &e_end, const float &feed_rate, uint8_t extruder) {
+
+    int cell_start_xi, cell_start_yi, cell_dest_xi, cell_dest_yi;
+    int left_flag, down_flag;
+    int current_xi, current_yi;
+    int dxi, dyi, xi_cnt, yi_cnt;
+    bool use_X_dist, inf_normalized_flag, inf_m_flag;
+    float x_start, y_start;
+    float x, y, z1, z2, z0 /*, z_optimized */;
+    float next_mesh_line_x, next_mesh_line_y, a0ma1diva2ma1;
+    float on_axis_distance, e_normalized_dist, e_position, e_start, z_normalized_dist, z_position, z_start;
+    float dx, dy, adx, ady, m, c;
+
+    //
+    // Much of the nozzle movement will be within the same cell.  So we will do as little computation
+    // as possible to determine if this is the case.  If this move is within the same cell, we will
+    // just do the required Z-Height correction, call the Planner's buffer_line() routine, and leave
+    //
+
+    x_start = current_position[X_AXIS];
+    y_start = current_position[Y_AXIS];
+    z_start = current_position[Z_AXIS];
+    e_start = current_position[E_AXIS];
+
+    cell_start_xi = blm.get_cell_index_x(x_start);
+    cell_start_yi = blm.get_cell_index_y(y_start);
+    cell_dest_xi  = blm.get_cell_index_x(x_end);
+    cell_dest_yi  = blm.get_cell_index_y(y_end);
+
+    if (G26_Debug_flag!=0) {
+      SERIAL_ECHOPGM(" UBL_line_to_destination(xe=");
+      SERIAL_ECHO(x_end);
+      SERIAL_ECHOPGM(",ye=");
+      SERIAL_ECHO(y_end);
+      SERIAL_ECHOPGM(",ze=");
+      SERIAL_ECHO(z_end);
+      SERIAL_ECHOPGM(",ee=");
+      SERIAL_ECHO(e_end);
+      SERIAL_ECHOPGM(")\n");
+      debug_current_and_destination( (char *) "Start of UBL_line_to_destination()");
+    }
+
+    if ((cell_start_xi == cell_dest_xi) && (cell_start_yi == cell_dest_yi)) { // if the whole move is within the same cell,
+      // we don't need to break up the move
+      //
+      // If we are moving off the print bed, we are going to allow the move at this level.
+      // But we detect it and isolate it.   For now, we just pass along the request.
+      //
+
+      if (cell_dest_xi<0 || cell_dest_yi<0 || cell_dest_xi >= UBL_MESH_NUM_X_POINTS || cell_dest_yi >= UBL_MESH_NUM_Y_POINTS) {
+
+        // Note:  There is no Z Correction in this case.  We are off the grid and don't know what
+        // a reasonable correction would be.
+
+        planner.buffer_line(x_end, y_end, z_end + blm.state.z_offset, e_end, feed_rate, extruder);
+        set_current_to_destination();
+        if (G26_Debug_flag!=0) {
+          debug_current_and_destination( (char *) "out of bounds in UBL_line_to_destination()");
+        }
+        return;
+      }
+
+      // we can optimize some floating point operations here.  We could call float get_z_correction(float x0, float y0) to
+      // generate the correction for us.  But we can lighten the load on the CPU by doing a modified version of the function.
+      // We are going to only calculate the amount we are from the first mesh line towards the second mesh line once.
+      // We will use this fraction in both of the original two Z Height calculations for the bi-linear interpolation.  And,
+      // instead of doing a generic divide of the distance, we know the distance is MESH_X_DIST so we can use the preprocessor
+      // to create a 1-over number for us.  That will allow us to do a floating point multiply instead of a floating point divide.
+
+      FINAL_MOVE:
+      a0ma1diva2ma1 = (x_end - mesh_index_to_X_location[cell_dest_xi]) * (float) (1.0 / MESH_X_DIST);
+
+      z1 = z_values[cell_dest_xi][cell_dest_yi] +
+      (z_values[cell_dest_xi + 1][cell_dest_yi] - z_values[cell_dest_xi][cell_dest_yi]) * a0ma1diva2ma1;
+
+      z2 = z_values[cell_dest_xi][cell_dest_yi+1] +
+      (z_values[cell_dest_xi+1][cell_dest_yi+1] - z_values[cell_dest_xi][cell_dest_yi+1]) * a0ma1diva2ma1;
+
+      // we are done with the fractional X distance into the cell.  Now with the two Z-Heights we have calculated, we
+      // are going to apply the Y-Distance into the cell to interpolate the final Z correction.
+
+      a0ma1diva2ma1 = (y_end - mesh_index_to_Y_location[cell_dest_yi]) * (float) (1.0 / MESH_Y_DIST);
+
+      z0 = z1 + (z2 - z1) * a0ma1diva2ma1;
+
+      // debug code to use non-optimized get_z_correction() and to do a sanity check
+      // that the correct value is being passed to planner.buffer_line()
+      //
+      /*
+        z_optimized = z0;
+        z0 = blm.get_z_correction( x_end, y_end);
+        if ( fabs(z_optimized - z0) > .01 || isnan(z0) || isnan(z_optimized) )  {
+        debug_current_and_destination( (char *) "FINAL_MOVE: z_correction()");
+        if ( isnan(z0) ) SERIAL_ECHO(" z0==NAN  ");
+        if ( isnan(z_optimized) ) SERIAL_ECHO(" z_optimized==NAN  ");
+        SERIAL_ECHOPAIR("  x_end=", x_end);
+        SERIAL_ECHOPAIR("  y_end=", y_end);
+        SERIAL_ECHOPAIR("  z0=", z0);
+        SERIAL_ECHOPAIR("  z_optimized=", z_optimized);
+        SERIAL_ECHOPAIR("  err=",fabs(z_optimized - z0));
+        SERIAL_EOL;
+        }
+      */
+      z0 = z0 * blm.fade_scaling_factor_for_Z( z_end );
+
+      if (isnan(z0)) {  // if part of the Mesh is undefined, it will show up as NAN
+        z0 = 0.0; // in z_values[][] and propagate through the
+        // calculations. If our correction is NAN, we throw it out
+        // because part of the Mesh is undefined and we don't have the
+        // information we need to complete the height correction.
+      }
+
+      planner.buffer_line(x_end, y_end, z_end + z0 + blm.state.z_offset, e_end, feed_rate, extruder);
+      if (G26_Debug_flag!=0) {
+        debug_current_and_destination( (char *) "FINAL_MOVE in UBL_line_to_destination()");
+      }
+      set_current_to_destination();
+      return;
+    }
+
+    //
+    //  If we get here, we are processing a move that crosses at least one Mesh Line.   We will check
+    //  for the simple case of just crossing X or just crossing Y Mesh Lines after we get all the details
+    //  of the move figured out.  We can process the easy case of just crossing an X or Y Mesh Line with less
+    //  computation and in fact most lines are of this nature.  We will check for that in the following
+    //  blocks of code:
+
+    left_flag = 0;
+    down_flag = 0;
+    inf_m_flag = false;
+    inf_normalized_flag = false;
+
+    dx = x_end - x_start;
+    dy = y_end - y_start;
+
+    if (dx<0.0) {     // figure out which way we need to move to get to the next cell
+      dxi = -1;
+      adx = -dx;  // absolute value of dx.  We already need to check if dx and dy are negative.
+    }
+    else {   // We may as well generate the appropriate values for adx and ady right now
+      dxi = 1;  // to save setting up the abs() function call and actually doing the call.
+      adx = dx;
+    }
+    if (dy<0.0) {
+      dyi = -1;
+      ady = -dy;  // absolute value of dy
+    }
+    else {
+      dyi = 1;
+      ady = dy;
+    }
+
+    if (dx<0.0) left_flag = 1;
+    if (dy<0.0) down_flag = 1;
+    if (cell_start_xi == cell_dest_xi) dxi = 0;
+    if (cell_start_yi == cell_dest_yi) dyi = 0;
+
+    //
+    // Compute the scaling factor for the extruder for each partial move.
+    // We need to watch out for zero length moves because it will cause us to
+    // have an infinate scaling factor.  We are stuck doing a floating point
+    // divide to get our scaling factor, but after that, we just multiply by this
+    // number.   We also pick our scaling factor based on whether the X or Y
+    // component is larger.  We use the biggest of the two to preserve precision.
+    //
+    if ( adx > ady ) {
+      use_X_dist = true;
+      on_axis_distance   = x_end-x_start;
+    }
+    else {
+      use_X_dist = false;
+      on_axis_distance   = y_end-y_start;
+    }
+    e_position = e_end - e_start;
+    e_normalized_dist = e_position / on_axis_distance;
+
+    z_position = z_end - z_start;
+    z_normalized_dist = z_position / on_axis_distance;
+
+    if (e_normalized_dist==INFINITY || e_normalized_dist==-INFINITY) {
+      inf_normalized_flag = true;
+    }
+    current_xi = cell_start_xi;
+    current_yi = cell_start_yi;
+
+    m = dy / dx;
+    c = y_start - m*x_start;
+    if (m == INFINITY || m == -INFINITY) {
+      inf_m_flag = true;
+    }
+    //
+    // This block handles vertical lines.  These are lines that stay within the same
+    // X Cell column.  They do not need to be perfectly vertical.  They just can
+    // not cross into another X Cell column.
+    //
+    if (dxi == 0) {       // Check for a vertical line
+      current_yi += down_flag;  // Line is heading down, we just want to go to the bottom
+      while (current_yi != cell_dest_yi + down_flag) {
+        current_yi += dyi;
+        next_mesh_line_y = mesh_index_to_Y_location[current_yi];
+        if (inf_m_flag) {
+          x = x_start;  // if the slope of the line is infinite, we won't do the calculations
+        }
+        // we know the next X is the same so we can recover and continue!
+        else {
+          x = (next_mesh_line_y - c) / m; // Calculate X at the next Y mesh line
+        }
+
+        z0 = blm.get_z_correction_along_horizontal_mesh_line_at_specific_X(x, current_xi, current_yi);
+
+        //
+        // debug code to use non-optimized get_z_correction() and to do a sanity check
+        // that the correct value is being passed to planner.buffer_line()
+        //
+        /*
+          z_optimized = z0;
+          z0 = blm.get_z_correction( x, next_mesh_line_y);
+          if ( fabs(z_optimized - z0) > .01 || isnan(z0) || isnan(z_optimized) )  {
+          debug_current_and_destination( (char *) "VERTICAL z_correction()");
+          if ( isnan(z0) ) SERIAL_ECHO(" z0==NAN  ");
+          if ( isnan(z_optimized) ) SERIAL_ECHO(" z_optimized==NAN  ");
+          SERIAL_ECHOPAIR("  x=", x);
+          SERIAL_ECHOPAIR("  next_mesh_line_y=", next_mesh_line_y);
+          SERIAL_ECHOPAIR("  z0=", z0);
+          SERIAL_ECHOPAIR("  z_optimized=", z_optimized);
+          SERIAL_ECHOPAIR("  err=",fabs(z_optimized-z0));
+          SERIAL_ECHO("\n");
+          }
+        */
+
+        z0 = z0 * blm.fade_scaling_factor_for_Z( z_end );
+
+        if (isnan(z0)) {  // if part of the Mesh is undefined, it will show up as NAN
+          z0 = 0.0; // in z_values[][] and propagate through the
+          // calculations. If our correction is NAN, we throw it out
+          // because part of the Mesh is undefined and we don't have the
+          // information we need to complete the height correction.
+        }
+        y = mesh_index_to_Y_location[current_yi];
+
+        // Without this check, it is possible for the algorythm to generate a zero length move in the case
+        // where the line is heading down and it is starting right on a Mesh Line boundary.  For how often that
+        // happens, it might be best to remove the check and always 'schedule' the move because
+        // the planner.buffer_line() routine will filter it if that happens.
+        if ( y!=y_start)   {
+          if ( inf_normalized_flag == false ) {
+            on_axis_distance   = y - y_start;       // we don't need to check if the extruder position
+            e_position = e_start + on_axis_distance * e_normalized_dist;  // is based on X or Y because this is a vertical move
+            z_position = z_start + on_axis_distance * z_normalized_dist;
+          }
+          else {
+            e_position = e_start;
+            z_position = z_start;
+          }
+
+          planner.buffer_line(x, y, z_position + z0 + blm.state.z_offset, e_position, feed_rate, extruder);
+        } //else printf("FIRST MOVE PRUNED  ");
+      }
+      //
+      // Check if we are at the final destination.  Usually, we won't be, but if it is on a Y Mesh Line, we are done.
+      //
+      if (G26_Debug_flag!=0) {
+        debug_current_and_destination( (char *) "vertical move done in UBL_line_to_destination()");
+      }
+      if (current_position[X_AXIS] != x_end || current_position[Y_AXIS] != y_end) {
+        goto FINAL_MOVE;
+      }
+      set_current_to_destination();
+      return;
+    }
+
+    //
+    // This block handles horizontal lines.  These are lines that stay within the same
+    // Y Cell row.  They do not need to be perfectly horizontal.  They just can
+    // not cross into another Y Cell row.
+    //
+
+    if (dyi == 0) {       // Check for a horiziontal line
+      current_xi += left_flag;  // Line is heading left, we just want to go to the left
+      // edge of this cell for the first move.
+      while (current_xi != cell_dest_xi + left_flag) {
+        current_xi += dxi;
+        next_mesh_line_x = mesh_index_to_X_location[current_xi];
+        y = m * next_mesh_line_x + c;   // Calculate X at the next Y mesh line
+
+        z0 = blm.get_z_correction_along_vertical_mesh_line_at_specific_Y(y, current_xi, current_yi);
+
+        //
+        // debug code to use non-optimized get_z_correction() and to do a sanity check
+        // that the correct value is being passed to planner.buffer_line()
+        //
+        /*
+          z_optimized = z0;
+          z0 = blm.get_z_correction( next_mesh_line_x, y);
+          if ( fabs(z_optimized - z0) > .01 || isnan(z0) || isnan(z_optimized) )  {
+          debug_current_and_destination( (char *) "HORIZONTAL z_correction()");
+          if ( isnan(z0) ) SERIAL_ECHO(" z0==NAN  ");
+          if ( isnan(z_optimized) ) SERIAL_ECHO(" z_optimized==NAN  ");
+          SERIAL_ECHOPAIR("  next_mesh_line_x=", next_mesh_line_x);
+          SERIAL_ECHOPAIR("  y=", y);
+          SERIAL_ECHOPAIR("  z0=", z0);
+          SERIAL_ECHOPAIR("  z_optimized=", z_optimized);
+          SERIAL_ECHOPAIR("  err=",fabs(z_optimized-z0));
+          SERIAL_ECHO("\n");
+          }
+        */
+
+        z0 = z0 * blm.fade_scaling_factor_for_Z( z_end );
+
+        if (isnan(z0)) {  // if part of the Mesh is undefined, it will show up as NAN
+          z0 = 0.0; // in z_values[][] and propagate through the
+          // calculations. If our correction is NAN, we throw it out
+          // because part of the Mesh is undefined and we don't have the
+          // information we need to complete the height correction.
+        }
+        x = mesh_index_to_X_location[current_xi];
+
+        // Without this check, it is possible for the algorythm to generate a zero length move in the case
+        // where the line is heading left and it is starting right on a Mesh Line boundary.  For how often
+        // that happens, it might be best to remove the check and always 'schedule' the move because
+        // the planner.buffer_line() routine will filter it if that happens.
+        if ( x!=x_start)   {
+          if ( inf_normalized_flag == false ) {
+            on_axis_distance   = x - x_start;       // we don't need to check if the extruder position
+            e_position = e_start + on_axis_distance * e_normalized_dist;  // is based on X or Y because this is a horizontal move
+            z_position = z_start + on_axis_distance * z_normalized_dist;
+          }
+          else {
+            e_position = e_start;
+            z_position = z_start;
+          }
+
+          planner.buffer_line(x, y, z_position + z0 + blm.state.z_offset, e_position, feed_rate, extruder);
+        } //else printf("FIRST MOVE PRUNED  ");
+      }
+      if (G26_Debug_flag!=0) {
+        debug_current_and_destination( (char *) "horizontal move done in UBL_line_to_destination()");
+      }
+      if (current_position[X_AXIS] != x_end || current_position[Y_AXIS] != y_end) {
+        goto FINAL_MOVE;
+      }
+      set_current_to_destination();
+      return;
+    }
+
+    //
+    //
+    //
+    //
+    // This block handles the generic case of a line crossing both X and Y
+    // Mesh lines.
+    //
+    //
+    //
+    //
+
+    xi_cnt = cell_start_xi - cell_dest_xi;
+    if ( xi_cnt < 0 ) {
+      xi_cnt = -xi_cnt;
+    }
+
+    yi_cnt = cell_start_yi - cell_dest_yi;
+    if ( yi_cnt < 0 ) {
+      yi_cnt = -yi_cnt;
+    }
+
+    current_xi += left_flag;
+    current_yi += down_flag;
+
+    while ( xi_cnt>0 || yi_cnt>0 )    {
+
+      next_mesh_line_x = mesh_index_to_X_location[current_xi + dxi];
+      next_mesh_line_y = mesh_index_to_Y_location[current_yi + dyi];
+
+      y = m * next_mesh_line_x + c; // Calculate Y at the next X mesh line
+      x = (next_mesh_line_y-c) / m; // Calculate X at the next Y mesh line    (we don't have to worry
+      // about m being equal to 0.0  If this was the case, we would have
+      // detected this as a vertical line move up above and we wouldn't
+      // be down here doing a generic type of move.
+
+      if ((left_flag && (x>next_mesh_line_x)) || (!left_flag && (x<next_mesh_line_x))) { // Check if we hit the Y line first
+        //
+        // Yes!  Crossing a Y Mesh Line next
+        //
+        z0 = blm.get_z_correction_along_horizontal_mesh_line_at_specific_X(x, current_xi-left_flag, current_yi+dyi);
+
+        //
+        // debug code to use non-optimized get_z_correction() and to do a sanity check
+        // that the correct value is being passed to planner.buffer_line()
+        //
+
+        /*
+
+          z_optimized = z0;
+
+          z0 = blm.get_z_correction( x, next_mesh_line_y);
+          if ( fabs(z_optimized - z0) > .01 || isnan(z0) || isnan(z_optimized) )  {
+            debug_current_and_destination( (char *) "General_1: z_correction()");
+            if ( isnan(z0) ) SERIAL_ECHO(" z0==NAN  ");
+            if ( isnan(z_optimized) ) SERIAL_ECHO(" z_optimized==NAN  "); {
+              SERIAL_ECHOPAIR("  x=", x);
+            }
+            SERIAL_ECHOPAIR("  next_mesh_line_y=", next_mesh_line_y);
+            SERIAL_ECHOPAIR("  z0=", z0);
+            SERIAL_ECHOPAIR("  z_optimized=", z_optimized);
+            SERIAL_ECHOPAIR("  err=",fabs(z_optimized-z0));
+            SERIAL_ECHO("\n");
+          }
+        */
+
+        z0 = z0 * blm.fade_scaling_factor_for_Z( z_end );
+        if (isnan(z0)) {  // if part of the Mesh is undefined, it will show up as NAN
+          z0 = 0.0; // in z_values[][] and propagate through the
+          // calculations. If our correction is NAN, we throw it out
+          // because part of the Mesh is undefined and we don't have the
+          // information we need to complete the height correction.
+        }
+
+        if ( inf_normalized_flag == false ) {
+          if ( use_X_dist ) {
+            on_axis_distance   = x - x_start;
+          }
+          else {
+            on_axis_distance   = next_mesh_line_y - y_start;
+          }
+          e_position = e_start + on_axis_distance * e_normalized_dist;
+          z_position = z_start + on_axis_distance * z_normalized_dist;
+        }
+        else {
+          e_position = e_start;
+          z_position = z_start;
+        }
+        planner.buffer_line(x, next_mesh_line_y, z_position + z0 + blm.state.z_offset, e_position, feed_rate, extruder);
+        current_yi += dyi;
+        yi_cnt--;
+      }
+      else {
+        //
+        // Yes!  Crossing a X Mesh Line next
+        //
+        z0 = blm.get_z_correction_along_vertical_mesh_line_at_specific_Y(y, current_xi+dxi, current_yi-down_flag);
+
+
+        //
+        // debug code to use non-optimized get_z_correction() and to do a sanity check
+        // that the correct value is being passed to planner.buffer_line()
+        //
+        /*
+          z_optimized = z0;
+          z0 = blm.get_z_correction( next_mesh_line_x, y);
+          if ( fabs(z_optimized - z0) > .01 || isnan(z0) || isnan(z_optimized) )  {
+          debug_current_and_destination( (char *) "General_2: z_correction()");
+          if ( isnan(z0) ) SERIAL_ECHO(" z0==NAN  ");
+          if ( isnan(z_optimized) ) SERIAL_ECHO(" z_optimized==NAN  ");
+          SERIAL_ECHOPAIR("  next_mesh_line_x=", next_mesh_line_x);
+          SERIAL_ECHOPAIR("  y=", y);
+          SERIAL_ECHOPAIR("  z0=", z0);
+          SERIAL_ECHOPAIR("  z_optimized=", z_optimized);
+          SERIAL_ECHOPAIR("  err=",fabs(z_optimized-z0));
+          SERIAL_ECHO("\n");
+          }
+        */
+
+        z0 = z0 * blm.fade_scaling_factor_for_Z( z_end );
+
+        if (isnan(z0)) {  // if part of the Mesh is undefined, it will show up as NAN
+          z0 = 0.0; // in z_values[][] and propagate through the
+          // calculations. If our correction is NAN, we throw it out
+          // because part of the Mesh is undefined and we don't have the
+          // information we need to complete the height correction.
+        }
+        if ( inf_normalized_flag == false ) {
+          if ( use_X_dist ) {
+            on_axis_distance   = next_mesh_line_x - x_start;
+          }
+          else {
+            on_axis_distance   = y - y_start;
+          }
+          e_position = e_start + on_axis_distance * e_normalized_dist;
+          z_position = z_start + on_axis_distance * z_normalized_dist;
+        }
+        else {
+          e_position = e_start;
+          z_position = z_start;
+        }
+
+        planner.buffer_line(next_mesh_line_x, y, z_position + z0 + blm.state.z_offset, e_position, feed_rate, extruder);
+        current_xi += dxi;
+        xi_cnt--;
+      }
+    }
+    if (G26_Debug_flag) {
+      debug_current_and_destination( (char *) "generic move done in UBL_line_to_destination()");
+    }
+    if (current_position[0] != x_end || current_position[1] != y_end)  {
+      goto FINAL_MOVE;
+    }
+    set_current_to_destination();
+    return;
+  }
+
+  void wait_for_button_press() {
+    //  if ( !been_to_2_6 )
+    //return;   // bob - I think this should be commented out
+
+    SET_INPUT_PULLUP(66); // Roxy's Left Switch is on pin 66.  Right Switch is on pin 65
+    SET_OUTPUT(64);
+    while (READ(66) & 0x01) idle();
+
+    delay(50);
+    while (!(READ(66) & 0x01)) idle();
+    delay(50);
+  }
+
+#endif
+
+
diff --git a/Marlin/configuration_store.cpp b/Marlin/configuration_store.cpp
index 0d31bee5db63bc3467188db52367b2b8a343aa7a..ffe9fc36e5ea5d0c9d67cc70f852802887bbcda4 100644
--- a/Marlin/configuration_store.cpp
+++ b/Marlin/configuration_store.cpp
@@ -164,6 +164,10 @@
   #include "stepper_indirection.h"
 #endif
 
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+  #include "UBL.h"
+#endif
+
 #if ENABLED(ABL_BILINEAR_SUBDIVISION)
   extern void bed_level_virt_interpolate();
 #endif
@@ -534,6 +538,11 @@ void Config_Postprocess() {
       SERIAL_ECHOPAIR("Settings Stored (", eeprom_size - (EEPROM_OFFSET));
       SERIAL_ECHOLNPGM(" bytes)");
     }
+    #if ENABLED(AUTO_BED_LEVELING_UBL)
+      blm.store_state();
+      if (blm.state.EEPROM_storage_slot >= 0)
+        blm.store_mesh(blm.state.EEPROM_storage_slot);
+    #endif
   }
 
   /**
@@ -832,8 +841,45 @@ void Config_Postprocess() {
         SERIAL_ERRORLNPGM("EEPROM checksum mismatch");
         Config_ResetDefault();
       }
-   }
 
+      #if ENABLED(AUTO_BED_LEVELING_UBL)
+        Unified_Bed_Leveling_EEPROM_start = (eeprom_index + 32) & 0xFFF8; // Pad the end of configuration data so it
+                                                                          // can float up or down a little bit without
+                                                                          // disrupting the Unified Bed Leveling data
+        blm.load_state();
+
+        SERIAL_ECHOPGM(" UBL ");
+        if (!blm.state.active) SERIAL_ECHO("not ");
+        SERIAL_ECHOLNPGM("active!");
+
+        if (!blm.sanity_check()) {
+          int tmp_mesh;                                // We want to preserve whether the UBL System is Active
+          bool tmp_active;                             // If it is, we want to preserve the Mesh that is being used.
+          tmp_mesh = blm.state.EEPROM_storage_slot;
+          tmp_active = blm.state.active;
+          SERIAL_ECHOLNPGM("\nInitializing Bed Leveling State to current firmware settings.\n");
+          blm.state = blm.pre_initialized;             // Initialize with the pre_initialized data structure
+          blm.state.EEPROM_storage_slot = tmp_mesh;    // But then restore some data we don't want mangled
+          blm.state.active = tmp_active;
+        }
+        else {
+          SERIAL_PROTOCOLPGM("?Unable to enable Unified Bed Leveling.\n");
+          blm.state = blm.pre_initialized;
+          blm.reset();
+          blm.store_state();
+        }
+
+        if (blm.state.EEPROM_storage_slot >= 0)  {
+          blm.load_mesh(blm.state.EEPROM_storage_slot);
+          SERIAL_ECHOPAIR("Mesh ", blm.state.EEPROM_storage_slot);
+          SERIAL_ECHOLNPGM(" loaded from storage.");
+        }
+        else {
+          blm.reset();
+          SERIAL_ECHOPGM("UBL System reset() \n");
+        }
+      #endif
+    }
     #if ENABLED(EEPROM_CHITCHAT)
       Config_PrintSettings();
     #endif
@@ -1126,6 +1172,42 @@ void Config_ResetDefault() {
       SERIAL_ECHOPAIR(" Z", home_offset[Z_AXIS]);
       SERIAL_EOL;
     #endif
+  #if ENABLED(AUTO_BED_LEVELING_UBL)
+    SERIAL_ECHOLNPGM("Unified Bed Leveling:");
+    CONFIG_ECHO_START;
+
+    SERIAL_ECHOPGM("System is: ");
+    if (blm.state.active)
+       SERIAL_ECHOLNPGM("Active\n");
+    else
+       SERIAL_ECHOLNPGM("Deactive\n");
+
+    SERIAL_ECHOPAIR("Active Mesh Slot: ", blm.state.EEPROM_storage_slot);
+    SERIAL_EOL;
+
+    SERIAL_ECHOPGM("z_offset: ");
+    SERIAL_ECHO_F(blm.state.z_offset, 6);
+    SERIAL_EOL;
+
+    SERIAL_ECHOPAIR("EEPROM can hold ", (int)((E2END - sizeof(blm.state) - Unified_Bed_Leveling_EEPROM_start) / sizeof(z_values)));
+    SERIAL_ECHOLNPGM(" meshes. \n");
+
+    SERIAL_ECHOPAIR("\nUBL_MESH_NUM_X_POINTS  ", UBL_MESH_NUM_X_POINTS);
+    SERIAL_ECHOPAIR("\nUBL_MESH_NUM_Y_POINTS  ", UBL_MESH_NUM_Y_POINTS);
+
+    SERIAL_ECHOPAIR("\nUBL_MESH_MIN_X         ", UBL_MESH_MIN_X);
+    SERIAL_ECHOPAIR("\nUBL_MESH_MIN_Y         ", UBL_MESH_MIN_Y);
+
+    SERIAL_ECHOPAIR("\nUBL_MESH_MAX_X         ", UBL_MESH_MAX_X);
+    SERIAL_ECHOPAIR("\nUBL_MESH_MAX_Y         ", UBL_MESH_MAX_Y);
+
+    SERIAL_ECHOPGM("\nMESH_X_DIST        ");
+    SERIAL_ECHO_F(MESH_X_DIST, 6);
+    SERIAL_ECHOPGM("\nMESH_Y_DIST        ");
+    SERIAL_ECHO_F(MESH_Y_DIST, 6);
+    SERIAL_EOL;
+    SERIAL_EOL;
+  #endif
 
     #if HOTENDS > 1
       CONFIG_ECHO_START;
diff --git a/Marlin/example_configurations/Cartesio/Configuration.h b/Marlin/example_configurations/Cartesio/Configuration.h
index 7c9e1f216c3e6c13633615e213559336c527df0a..28b7feff7097fb05f670b350545be69c43448026 100644
--- a/Marlin/example_configurations/Cartesio/Configuration.h
+++ b/Marlin/example_configurations/Cartesio/Configuration.h
@@ -232,6 +232,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -603,8 +604,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -741,35 +741,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -793,10 +767,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -805,6 +791,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -825,11 +818,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -853,7 +841,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/Felix/Configuration.h b/Marlin/example_configurations/Felix/Configuration.h
index 5776379192a77274767500cbd5f311408167bdf0..4468340720076e68b0f6ebd3c3df87b87121bac1 100644
--- a/Marlin/example_configurations/Felix/Configuration.h
+++ b/Marlin/example_configurations/Felix/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -586,8 +587,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -724,35 +724,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -776,10 +750,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -788,6 +774,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -808,11 +801,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
diff --git a/Marlin/example_configurations/Felix/DUAL/Configuration.h b/Marlin/example_configurations/Felix/DUAL/Configuration.h
index c4858da7293c23e32e39d1c874e12d7bc370eefd..3f64aeeab9349cf49eb5cbc772d16ef75df1f711 100644
--- a/Marlin/example_configurations/Felix/DUAL/Configuration.h
+++ b/Marlin/example_configurations/Felix/DUAL/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -586,8 +587,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -724,35 +724,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -776,10 +750,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -788,6 +774,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -808,11 +801,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -836,7 +824,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/Hephestos/Configuration.h b/Marlin/example_configurations/Hephestos/Configuration.h
index 6c3a4cdd1d6d972d667159bf4d0b2044fdcf2b36..1c7bd92c0b03f732b0346eedaf6de43bbdaeac1d 100644
--- a/Marlin/example_configurations/Hephestos/Configuration.h
+++ b/Marlin/example_configurations/Hephestos/Configuration.h
@@ -234,6 +234,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -595,8 +596,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -733,35 +733,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -785,10 +759,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -797,6 +783,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -817,11 +810,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -845,7 +833,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/Hephestos_2/Configuration.h b/Marlin/example_configurations/Hephestos_2/Configuration.h
index 2d805a3e7c955522d1a073ac0bb9fd50d925e302..b5a717b6d36cf58aa531effd02fd0638fa4611e2 100644
--- a/Marlin/example_configurations/Hephestos_2/Configuration.h
+++ b/Marlin/example_configurations/Hephestos_2/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -597,8 +598,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -735,35 +735,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -787,10 +761,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
-#define AUTO_BED_LEVELING_LINEAR
+//#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -799,6 +785,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -819,11 +812,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -847,7 +835,42 @@
   #define ABL_PROBE_PT_3_X ((X_MIN_POS + X_MAX_POS) / 2)
   #define ABL_PROBE_PT_3_Y Y_MAX_POS - (Y_PROBE_OFFSET_FROM_EXTRUDER)
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/K8200/Configuration.h b/Marlin/example_configurations/K8200/Configuration.h
index e160c2d67ffcba97ad52e7184711a72ccacab984..dfc6e9dc1ff40b8351b224628814b25cf48ae5ee 100644
--- a/Marlin/example_configurations/K8200/Configuration.h
+++ b/Marlin/example_configurations/K8200/Configuration.h
@@ -251,6 +251,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -632,8 +633,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -770,35 +770,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -822,10 +796,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -834,6 +820,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -854,11 +847,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -882,7 +870,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/K8400/Configuration.h b/Marlin/example_configurations/K8400/Configuration.h
index 28738bd7a01511a0e6775011e61966effdf52233..90b9449194f80be1da2e3f38cc0c7a773712ae2e 100644
--- a/Marlin/example_configurations/K8400/Configuration.h
+++ b/Marlin/example_configurations/K8400/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -603,8 +604,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -741,35 +741,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -793,10 +767,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -805,6 +791,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -825,11 +818,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -853,7 +841,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/K8400/Dual-head/Configuration.h b/Marlin/example_configurations/K8400/Dual-head/Configuration.h
index a70f637fc56cb18b62fa03226be89e5967abd960..ee8ad72d81ef7cda7744f15c6d5992697b8165c1 100644
--- a/Marlin/example_configurations/K8400/Dual-head/Configuration.h
+++ b/Marlin/example_configurations/K8400/Dual-head/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -603,8 +604,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -741,35 +741,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -793,10 +767,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -805,6 +791,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -825,11 +818,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -853,7 +841,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
index f3fe5a604a019bd0864fe606e48301c0abf4f66a..2295b22001408f5ef769fd484982335ad39b43c9 100644
--- a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
+++ b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -603,8 +604,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -741,35 +741,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -793,10 +767,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -805,6 +791,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -825,11 +818,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -853,7 +841,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/RigidBot/Configuration.h b/Marlin/example_configurations/RigidBot/Configuration.h
index ac65922db4b5afe7a6a753c72d9f54357be6dafb..c922d4a7202889ade96fcbced9da05e78b4f2de0 100644
--- a/Marlin/example_configurations/RigidBot/Configuration.h
+++ b/Marlin/example_configurations/RigidBot/Configuration.h
@@ -234,6 +234,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -602,8 +603,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -740,35 +740,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -792,10 +766,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -804,6 +790,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -824,11 +817,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -852,7 +840,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
@@ -1434,7 +1457,7 @@
 // leaving it undefined or defining as 0 will disable the servo subsystem
 // If unsure, leave commented / disabled
 //
-#define NUM_SERVOS 0 // DGlass3D - Servo index starts with 0 for M280 command
+//#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.
 // 300ms is a good value but you can try less delay.
diff --git a/Marlin/example_configurations/Roxys_printers/Folger_Tech_i3_2020/Configuration.h b/Marlin/example_configurations/Roxys_printers/Folger_Tech_i3_2020/Configuration.h
new file mode 100644
index 0000000000000000000000000000000000000000..39adcd2abe19ef2de0f9c90cd2099ba82ba2a302
--- /dev/null
+++ b/Marlin/example_configurations/Roxys_printers/Folger_Tech_i3_2020/Configuration.h
@@ -0,0 +1,1503 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Configuration.h
+ *
+ * Basic settings such as:
+ *
+ * - Type of electronics
+ * - Type of temperature sensor
+ * - Printer geometry
+ * - Endstop configuration
+ * - LCD controller
+ * - Extra features
+ *
+ * Advanced settings can be found in Configuration_adv.h
+ *
+ */
+#ifndef CONFIGURATION_H
+#define CONFIGURATION_H
+
+/**
+ *
+ *  ***********************************
+ *  **  ATTENTION TO ALL DEVELOPERS  **
+ *  ***********************************
+ *
+ * You must increment this version number for every significant change such as,
+ * but not limited to: ADD, DELETE RENAME OR REPURPOSE any directive/option.
+ *
+ * Note: Update also Version.h !
+ */
+#define CONFIGURATION_H_VERSION 010100
+
+//===========================================================================
+//============================= Getting Started =============================
+//===========================================================================
+
+/**
+ * Here are some standard links for getting your machine calibrated:
+ *
+ * http://reprap.org/wiki/Calibration
+ * http://youtu.be/wAL9d7FgInk
+ * http://calculator.josefprusa.cz
+ * http://reprap.org/wiki/Triffid_Hunter%27s_Calibration_Guide
+ * http://www.thingiverse.com/thing:5573
+ * https://sites.google.com/site/repraplogphase/calibration-of-your-reprap
+ * http://www.thingiverse.com/thing:298812
+ */
+
+//===========================================================================
+//============================= DELTA Printer ===============================
+//===========================================================================
+// For a Delta printer replace the configuration files with the files in the
+// example_configurations/delta directory.
+//
+
+//===========================================================================
+//============================= SCARA Printer ===============================
+//===========================================================================
+// For a Scara printer replace the configuration files with the files in the
+// example_configurations/SCARA directory.
+//
+
+// @section info
+
+// User-specified version info of this build to display in [Pronterface, etc] terminal window during
+// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
+// build by the user have been successfully uploaded into firmware.
+#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
+#define CUSTOM_MACHINE_NAME "UBL5.0 FT2020"
+#define SHOW_BOOTSCREEN
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE2 WEBSITE_URL         // will be shown during bootup in line 2
+
+//
+// *** VENDORS PLEASE READ *****************************************************
+//
+// Marlin now allow you to have a vendor boot image to be displayed on machine
+// start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
+// custom boot image and then the default Marlin boot image is shown.
+//
+// We suggest for you to take advantage of this new feature and keep the Marlin
+// boot image unmodified. For an example have a look at the bq Hephestos 2
+// example configuration folder.
+//
+//#define SHOW_CUSTOM_BOOTSCREEN
+// @section machine
+
+/**
+ * Select which serial port on the board will be used for communication with the host.
+ * This allows the connection of wireless adapters (for instance) to non-default port pins.
+ * Serial port 0 is always used by the Arduino bootloader regardless of this setting.
+ *
+ * :[0, 1, 2, 3, 4, 5, 6, 7]
+ */
+#define SERIAL_PORT 0
+
+/**
+ * This setting determines the communication speed of the printer.
+ *
+ * 250000 works in most cases, but you might try a lower speed if
+ * you commonly experience drop-outs during host printing.
+ *
+ * :[2400, 9600, 19200, 38400, 57600, 115200, 250000]
+ */
+#define BAUDRATE 250000
+
+// Enable the Bluetooth serial interface on AT90USB devices
+//#define BLUETOOTH
+
+// The following define selects which electronics board you have.
+// Please choose the name from boards.h that matches your setup
+#ifndef MOTHERBOARD
+  #define MOTHERBOARD BOARD_RAMPS_14_EFB
+#endif
+
+// Optional custom name for your RepStrap or other custom machine
+// Displayed in the LCD "Ready" message
+//#define CUSTOM_MACHINE_NAME "3D Printer"
+
+// Define this to set a unique identifier for this printer, (Used by some programs to differentiate between machines)
+// You can use an online service to generate a random UUID. (eg http://www.uuidgenerator.net/version4)
+//#define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
+
+// This defines the number of extruders
+// :[1, 2, 3, 4]
+#define EXTRUDERS 1
+
+// Enable if your E steppers or extruder gear ratios are not identical
+//#define DISTINCT_E_FACTORS
+
+// For Cyclops or any "multi-extruder" that shares a single nozzle.
+//#define SINGLENOZZLE
+
+// A dual extruder that uses a single stepper motor
+// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
+//#define SWITCHING_EXTRUDER
+#if ENABLED(SWITCHING_EXTRUDER)
+  #define SWITCHING_EXTRUDER_SERVO_NR 0
+  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+/**
+ * "Mixing Extruder"
+ *   - Adds a new code, M165, to set the current mix factors.
+ *   - Extends the stepping routines to move multiple steppers in proportion to the mix.
+ *   - Optional support for Repetier Host M163, M164, and virtual extruder.
+ *   - This implementation supports only a single extruder.
+ *   - Enable DIRECT_MIXING_IN_G1 for Pia Taubert's reference implementation
+ */
+//#define MIXING_EXTRUDER
+#if ENABLED(MIXING_EXTRUDER)
+  #define MIXING_STEPPERS 2        // Number of steppers in your mixing extruder
+  #define MIXING_VIRTUAL_TOOLS 16  // Use the Virtual Tool method with M163 and M164
+  //#define DIRECT_MIXING_IN_G1    // Allow ABCDHI mix factors in G1 movement commands
+#endif
+
+// Offset of the extruders (uncomment if using more than one and relying on firmware to position when changing).
+// The offset has to be X=0, Y=0 for the extruder 0 hotend (default extruder).
+// For the other hotends it is their distance from the extruder 0 hotend.
+//#define HOTEND_OFFSET_X {0.0, 20.00} // (in mm) for each extruder, offset of the hotend on the X axis
+//#define HOTEND_OFFSET_Y {0.0, 5.00}  // (in mm) for each extruder, offset of the hotend on the Y axis
+
+/**
+ * Select your power supply here. Use 0 if you haven't connected the PS_ON_PIN
+ *
+ * 0 = No Power Switch
+ * 1 = ATX
+ * 2 = X-Box 360 203Watts (the blue wire connected to PS_ON and the red wire to VCC)
+ *
+ * :{ 0:'No power switch', 1:'ATX', 2:'X-Box 360' }
+ */
+#define POWER_SUPPLY 0
+
+#if POWER_SUPPLY > 0
+  // Enable this option to leave the PSU off at startup.
+  // Power to steppers and heaters will need to be turned on with M80.
+  //#define PS_DEFAULT_OFF
+#endif
+
+// @section temperature
+
+//===========================================================================
+//============================= Thermal Settings ============================
+//===========================================================================
+
+/**
+ * --NORMAL IS 4.7kohm PULLUP!-- 1kohm pullup can be used on hotend sensor, using correct resistor and table
+ *
+ * Temperature sensors available:
+ *
+ *    -3 : thermocouple with MAX31855 (only for sensor 0)
+ *    -2 : thermocouple with MAX6675 (only for sensor 0)
+ *    -1 : thermocouple with AD595
+ *     0 : not used
+ *     1 : 100k thermistor - best choice for EPCOS 100k (4.7k pullup)
+ *     2 : 200k thermistor - ATC Semitec 204GT-2 (4.7k pullup)
+ *     3 : Mendel-parts thermistor (4.7k pullup)
+ *     4 : 10k thermistor !! do not use it for a hotend. It gives bad resolution at high temp. !!
+ *     5 : 100K thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (4.7k pullup)
+ *     6 : 100k EPCOS - Not as accurate as table 1 (created using a fluke thermocouple) (4.7k pullup)
+ *     7 : 100k Honeywell thermistor 135-104LAG-J01 (4.7k pullup)
+ *    71 : 100k Honeywell thermistor 135-104LAF-J01 (4.7k pullup)
+ *     8 : 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup)
+ *     9 : 100k GE Sensing AL03006-58.2K-97-G1 (4.7k pullup)
+ *    10 : 100k RS thermistor 198-961 (4.7k pullup)
+ *    11 : 100k beta 3950 1% thermistor (4.7k pullup)
+ *    12 : 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup) (calibrated for Makibox hot bed)
+ *    13 : 100k Hisens 3950  1% up to 300°C for hotend "Simple ONE " & "Hotend "All In ONE"
+ *    20 : the PT100 circuit found in the Ultimainboard V2.x
+ *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
+ *    66 : 4.7M High Temperature thermistor from Dyze Design
+ *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad with NTC 100K MGB18-104F39050L32 thermistor
+ *
+ *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
+ *                              (but gives greater accuracy and more stable PID)
+ *    51 : 100k thermistor - EPCOS (1k pullup)
+ *    52 : 200k thermistor - ATC Semitec 204GT-2 (1k pullup)
+ *    55 : 100k thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (1k pullup)
+ *
+ *  1047 : Pt1000 with 4k7 pullup
+ *  1010 : Pt1000 with 1k pullup (non standard)
+ *   147 : Pt100 with 4k7 pullup
+ *   110 : Pt100 with 1k pullup (non standard)
+ *
+ *         Use these for Testing or Development purposes. NEVER for production machine.
+ *   998 : Dummy Table that ALWAYS reads 25°C or the temperature defined below.
+ *   999 : Dummy Table that ALWAYS reads 100°C or the temperature defined below.
+ *
+ * :{ '0': "Not used", '1':"100k / 4.7k - EPCOS", '2':"200k / 4.7k - ATC Semitec 204GT-2", '3':"Mendel-parts / 4.7k", '4':"10k !! do not use for a hotend. Bad resolution at high temp. !!", '5':"100K / 4.7k - ATC Semitec 104GT-2 (Used in ParCan & J-Head)", '6':"100k / 4.7k EPCOS - Not as accurate as Table 1", '7':"100k / 4.7k Honeywell 135-104LAG-J01", '8':"100k / 4.7k 0603 SMD Vishay NTCS0603E3104FXT", '9':"100k / 4.7k GE Sensing AL03006-58.2K-97-G1", '10':"100k / 4.7k RS 198-961", '11':"100k / 4.7k beta 3950 1%", '12':"100k / 4.7k 0603 SMD Vishay NTCS0603E3104FXT (calibrated for Makibox hot bed)", '13':"100k Hisens 3950  1% up to 300°C for hotend 'Simple ONE ' & hotend 'All In ONE'", '20':"PT100 (Ultimainboard V2.x)", '51':"100k / 1k - EPCOS", '52':"200k / 1k - ATC Semitec 204GT-2", '55':"100k / 1k - ATC Semitec 104GT-2 (Used in ParCan & J-Head)", '60':"100k Maker's Tool Works Kapton Bed Thermistor beta=3950", '66':"Dyze Design 4.7M High Temperature thermistor", '70':"the 100K thermistor found in the bq Hephestos 2", '71':"100k / 4.7k Honeywell 135-104LAF-J01", '147':"Pt100 / 4.7k", '1047':"Pt1000 / 4.7k", '110':"Pt100 / 1k (non-standard)", '1010':"Pt1000 / 1k (non standard)", '-3':"Thermocouple + MAX31855 (only for sensor 0)", '-2':"Thermocouple + MAX6675 (only for sensor 0)", '-1':"Thermocouple + AD595",'998':"Dummy 1", '999':"Dummy 2" }
+ */
+#define TEMP_SENSOR_0 5
+#define TEMP_SENSOR_1 0
+#define TEMP_SENSOR_2 0
+#define TEMP_SENSOR_3 0
+#define TEMP_SENSOR_BED 1
+
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
+//#define TEMP_SENSOR_1_AS_REDUNDANT
+#define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
+
+// Extruder temperature must be close to target for this long before M109 returns success
+#define TEMP_RESIDENCY_TIME 10  // (seconds)
+#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
+#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+
+// Bed temperature must be close to target for this long before M190 returns success
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
+#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
+#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+
+// The minimal temperature defines the temperature below which the heater will not be enabled It is used
+// to check that the wiring to the thermistor is not broken.
+// Otherwise this would lead to the heater being powered on all the time.
+#define HEATER_0_MINTEMP 5
+#define HEATER_1_MINTEMP 5
+#define HEATER_2_MINTEMP 5
+#define HEATER_3_MINTEMP 5
+#define BED_MINTEMP 5
+
+// When temperature exceeds max temp, your heater will be switched off.
+// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
+// You should use MINTEMP for thermistor short/failure protection.
+#define HEATER_0_MAXTEMP 245
+#define HEATER_1_MAXTEMP 245
+#define HEATER_2_MAXTEMP 245
+#define HEATER_3_MAXTEMP 245
+#define BED_MAXTEMP 115
+
+//===========================================================================
+//============================= PID Settings ================================
+//===========================================================================
+// PID Tuning Guide here: http://reprap.org/wiki/PID_Tuning
+
+// Comment the following line to disable PID and enable bang-bang.
+#define PIDTEMP
+#define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
+#if ENABLED(PIDTEMP)
+  //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
+  //#define PID_DEBUG // Sends debug data to the serial port.
+  //#define PID_OPENLOOP 1 // Puts PID in open loop. M104/M140 sets the output power from 0 to PID_MAX
+  //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
+  //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
+                                  // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
+  #define K1 0.95 //smoothing factor within the PID
+
+  // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
+  // Ultimaker
+  #define  DEFAULT_Kp 11.50
+  #define  DEFAULT_Ki 0.50
+  #define  DEFAULT_Kd 60.00
+
+  // MakerGear
+  //#define  DEFAULT_Kp 7.0
+  //#define  DEFAULT_Ki 0.1
+  //#define  DEFAULT_Kd 12
+
+  // Mendel Parts V9 on 12V
+  //#define  DEFAULT_Kp 63.0
+  //#define  DEFAULT_Ki 2.25
+  //#define  DEFAULT_Kd 440
+
+#endif // PIDTEMP
+
+//===========================================================================
+//============================= PID > Bed Temperature Control ===============
+//===========================================================================
+// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
+//
+// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
+// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
+// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
+// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
+// If your configuration is significantly different than this and you don't understand the issues involved, you probably
+// shouldn't use bed PID until someone else verifies your hardware works.
+// If this is enabled, find your own PID constants below.
+#define PIDTEMPBED
+
+//#define BED_LIMIT_SWITCHING
+
+// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
+// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
+// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
+// so you shouldn't use it unless you are OK with PWM on your bed.  (see the comment on enabling PIDTEMPBED)
+#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
+
+#if ENABLED(PIDTEMPBED)
+
+  //#define PID_BED_DEBUG // Sends debug data to the serial port.
+
+  //120V 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  //from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
+  #define  DEFAULT_bedKp 250.0
+  #define  DEFAULT_bedKi 18.0
+  #define  DEFAULT_bedKd 950.0
+
+  //120V 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  //from pidautotune
+  //#define  DEFAULT_bedKp 97.1
+  //#define  DEFAULT_bedKi 1.41
+  //#define  DEFAULT_bedKd 1675.16
+
+  // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
+#endif // PIDTEMPBED
+
+// @section extruder
+
+// This option prevents extrusion if the temperature is below EXTRUDE_MINTEMP.
+// It also enables the M302 command to set the minimum extrusion temperature
+// or to allow moving the extruder regardless of the hotend temperature.
+// *** IT IS HIGHLY RECOMMENDED TO LEAVE THIS OPTION ENABLED! ***
+#define PREVENT_COLD_EXTRUSION
+#define EXTRUDE_MINTEMP 170
+
+// This option prevents a single extrusion longer than EXTRUDE_MAXLENGTH.
+// Note that for Bowden Extruders a too-small value here may prevent loading.
+#define PREVENT_LENGTHY_EXTRUDE
+#define EXTRUDE_MAXLENGTH 200
+
+//===========================================================================
+//======================== Thermal Runaway Protection =======================
+//===========================================================================
+
+/**
+ * Thermal Protection protects your printer from damage and fire if a
+ * thermistor falls out or temperature sensors fail in any way.
+ *
+ * The issue: If a thermistor falls out or a temperature sensor fails,
+ * Marlin can no longer sense the actual temperature. Since a disconnected
+ * thermistor reads as a low temperature, the firmware will keep the heater on.
+ *
+ * If you get "Thermal Runaway" or "Heating failed" errors the
+ * details can be tuned in Configuration_adv.h
+ */
+
+#define THERMAL_PROTECTION_HOTENDS // Enable thermal protection for all extruders
+#define THERMAL_PROTECTION_BED     // Enable thermal protection for the heated bed
+
+//===========================================================================
+//============================= Mechanical Settings =========================
+//===========================================================================
+
+// @section machine
+
+// Uncomment one of these options to enable CoreXY, CoreXZ, or CoreYZ kinematics
+// either in the usual order or reversed
+//#define COREXY
+//#define COREXZ
+//#define COREYZ
+//#define COREYX
+//#define COREZX
+//#define COREZY
+
+// Enable this option for Toshiba steppers
+//#define CONFIG_STEPPERS_TOSHIBA
+
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
+// @section homing
+
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
+// coarse Endstop Settings
+#define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
+
+#if DISABLED(ENDSTOPPULLUPS)
+  // fine endstop settings: Individual pullups. will be ignored if ENDSTOPPULLUPS is defined
+  //#define ENDSTOPPULLUP_XMAX
+  //#define ENDSTOPPULLUP_YMAX
+  //#define ENDSTOPPULLUP_ZMAX
+  //#define ENDSTOPPULLUP_XMIN
+  //#define ENDSTOPPULLUP_YMIN
+  //#define ENDSTOPPULLUP_ZMIN
+  //#define ENDSTOPPULLUP_ZMIN_PROBE
+#endif
+
+// Mechanical endstop with COM to ground and NC to Signal uses "false" here (most common setup).
+#define X_MIN_ENDSTOP_INVERTING true  // set to true to invert the logic of the endstop.
+#define Y_MIN_ENDSTOP_INVERTING true  // set to true to invert the logic of the endstop.
+#define Z_MIN_ENDSTOP_INVERTING true  // set to true to invert the logic of the endstop.
+#define X_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Y_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Z_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Z_MIN_PROBE_ENDSTOP_INVERTING true  // set to true to invert the logic of the probe.
+
+// Enable this feature if all enabled endstop pins are interrupt-capable.
+// This will remove the need to poll the interrupt pins, saving many CPU cycles.
+//#define ENDSTOP_INTERRUPTS_FEATURE
+
+//=============================================================================
+//============================== Movement Settings ============================
+//=============================================================================
+// @section motion
+
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * You can set distinct factors for each E stepper, if needed.
+ * If fewer factors are given, the last will apply to the rest.
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ *                                      X, Y, Z, E0 [, E1[, E2[, E3]]]
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 4000, 52.2 }
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ *                                      X, Y, Z, E0 [, E1[, E2[, E3]]]
+ */
+#define DEFAULT_MAX_FEEDRATE          { 250, 250, 2, 17 }
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * (Maximum start speed for accelerated moves)
+ * Override with M201
+ *                                      X, Y, Z, E0 [, E1[, E2[, E3]]]
+ */
+#define DEFAULT_MAX_ACCELERATION      { 1000, 1000, 4, 750 }
+
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ *   M204 P    Acceleration
+ *   M204 R    Retract Acceleration
+ *   M204 T    Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION          500     // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION  400     // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION   400     // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Default Jerk (mm/s)
+ * Override with M205 X Y Z E
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XJERK                 17.0
+#define DEFAULT_YJERK                 17.0
+#define DEFAULT_ZJERK                  0.4
+#define DEFAULT_EJERK                  4.0
+
+
+//===========================================================================
+//============================= Z Probe Options =============================
+//===========================================================================
+// @section probes
+
+//
+// Probe Type
+// Probes are sensors/switches that are activated / deactivated before/after use.
+//
+// Allen Key Probes, Servo Probes, Z-Sled Probes, FIX_MOUNTED_PROBE, etc.
+// You must activate one of these to use Auto Bed Leveling below.
+//
+// Use M851 to set the Z probe vertical offset from the nozzle. Store with M500.
+//
+
+// A Fix-Mounted Probe either doesn't deploy or needs manual deployment.
+// For example an inductive probe, or a setup that uses the nozzle to probe.
+// An inductive probe must be deactivated to go below
+// its trigger-point if hardware endstops are active.
+//#define FIX_MOUNTED_PROBE
+
+// The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
+//#define BLTOUCH
+
+// Z Servo Probe, such as an endstop switch on a rotating arm.
+#define Z_ENDSTOP_SERVO_NR 0
+#define Z_SERVO_ANGLES {40,85} // Z Servo Deploy and Stow angles
+
+// Enable if you have a Z probe mounted on a sled like those designed by Charles Bell.
+//#define Z_PROBE_SLED
+//#define SLED_DOCKING_OFFSET 5 // The extra distance the X axis must travel to pickup the sled. 0 should be fine but you can push it further if you'd like.
+
+// Z Probe to nozzle (X,Y) offset, relative to (0, 0).
+// X and Y offsets must be integers.
+//
+// In the following example the X and Y offsets are both positive:
+// #define X_PROBE_OFFSET_FROM_EXTRUDER 10
+// #define Y_PROBE_OFFSET_FROM_EXTRUDER 10
+//
+//    +-- BACK ---+
+//    |           |
+//  L |    (+) P  | R <-- probe (20,20)
+//  E |           | I
+//  F | (-) N (+) | G <-- nozzle (10,10)
+//  T |           | H
+//    |    (-)    | T
+//    |           |
+//    O-- FRONT --+
+//  (0,0)
+#define X_PROBE_OFFSET_FROM_EXTRUDER 38  // X offset: -left  +right  [of the nozzle]
+#define Y_PROBE_OFFSET_FROM_EXTRUDER -7  // Y offset: -front +behind [the nozzle]
+#define Z_PROBE_OFFSET_FROM_EXTRUDER -9.65   // Z offset: -below +above  [the nozzle]
+
+// X and Y axis travel speed (mm/m) between probes
+#define XY_PROBE_SPEED 7500
+// Speed for the first approach when double-probing (with PROBE_DOUBLE_TOUCH)
+#define Z_PROBE_SPEED_FAST HOMING_FEEDRATE_Z
+// Speed for the "accurate" probe of each point
+#define Z_PROBE_SPEED_SLOW (Z_PROBE_SPEED_FAST / 2)
+// Use double touch for probing
+//#define PROBE_DOUBLE_TOUCH
+
+//
+// Allen Key Probe is defined in the Delta example configurations.
+//
+
+// *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
+//
+// To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
+// Example: To park the head outside the bed area when homing with G28.
+//
+// To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
+//
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
+//
+// - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
+// - Use 5V for powered (usu. inductive) sensors.
+// - Otherwise connect:
+//   - normally-closed switches to GND and D32.
+//   - normally-open switches to 5V and D32.
+//
+// Normally-closed switches are advised and are the default.
+//
+
+//
+// The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
+// Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
+//
+// WARNING:
+// Setting the wrong pin may have unexpected and potentially disastrous consequences.
+// Use with caution and do your homework.
+//
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
+//#define Z_MIN_PROBE_ENDSTOP
+
+// Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
+// The Z_MIN_PIN will then be used for both Z-homing and probing.
+#define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
+
+// To use a probe you must enable one of the two options above!
+
+// Enable Z Probe Repeatability test to see how accurate your probe is
+#define Z_MIN_PROBE_REPEATABILITY_TEST
+
+/**
+ * Z probes require clearance when deploying, stowing, and moving between
+ * probe points to avoid hitting the bed and other hardware.
+ * Servo-mounted probes require extra space for the arm to rotate.
+ * Inductive probes need space to keep from triggering early.
+ *
+ * Use these settings to specify the distance (mm) to raise the probe (or
+ * lower the bed). The values set here apply over and above any (negative)
+ * probe Z Offset set with Z_PROBE_OFFSET_FROM_EXTRUDER, M851, or the LCD.
+ * Only integer values >= 1 are valid here.
+ *
+ * Example: `M851 Z-5` with a CLEARANCE of 4  =>  9mm from bed to nozzle.
+ *     But: `M851 Z+1` with a CLEARANCE of 2  =>  2mm from bed to nozzle.
+ */
+#define Z_CLEARANCE_DEPLOY_PROBE    3 // Z Clearance for Deploy/Stow
+#define Z_CLEARANCE_BETWEEN_PROBES  3 // Z Clearance between probe points
+
+//
+// For M851 give a range for adjusting the Z probe offset
+//
+#define Z_PROBE_OFFSET_RANGE_MIN -20
+#define Z_PROBE_OFFSET_RANGE_MAX 20
+
+// For Inverting Stepper Enable Pins (Active Low) use 0, Non Inverting (Active High) use 1
+// :{ 0:'Low', 1:'High' }
+#define X_ENABLE_ON 0
+#define Y_ENABLE_ON 0
+#define Z_ENABLE_ON 0
+#define E_ENABLE_ON 0 // For all extruders
+
+// Disables axis stepper immediately when it's not being used.
+// WARNING: When motors turn off there is a chance of losing position accuracy!
+#define DISABLE_X false
+#define DISABLE_Y false
+#define DISABLE_Z false
+// Warn on display about possibly reduced accuracy
+//#define DISABLE_REDUCED_ACCURACY_WARNING
+
+// @section extruder
+
+#define DISABLE_E false // For all extruders
+#define DISABLE_INACTIVE_EXTRUDER true //disable only inactive extruders and keep active extruder enabled
+
+// @section machine
+
+// Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
+#define INVERT_X_DIR false
+#define INVERT_Y_DIR true
+#define INVERT_Z_DIR true
+
+// @section extruder
+
+// For direct drive extruder v9 set to true, for geared extruder set to false.
+#define INVERT_E0_DIR true
+#define INVERT_E1_DIR false
+#define INVERT_E2_DIR false
+#define INVERT_E3_DIR false
+
+// @section homing
+
+#define Z_HOMING_HEIGHT 2    // (in mm) Minimal z height before homing (G28) for Z clearance above the bed, clamps, ...
+                             // Be sure you have this distance over your Z_MAX_POS in case.
+
+// Direction of endstops when homing; 1=MAX, -1=MIN
+// :[-1,1]
+#define X_HOME_DIR -1
+#define Y_HOME_DIR -1
+#define Z_HOME_DIR -1
+
+// @section machine
+
+// Travel limits after homing (units are in mm)
+#define X_MIN_POS 0
+#define Y_MIN_POS 0
+#define Z_MIN_POS 0
+#define X_MAX_POS 203
+#define Y_MAX_POS 180
+#define Z_MAX_POS 175
+
+// If enabled, axes won't move below MIN_POS in response to movement commands.
+//#define MIN_SOFTWARE_ENDSTOPS
+// If enabled, axes won't move above MAX_POS in response to movement commands.
+#define MAX_SOFTWARE_ENDSTOPS
+
+/**
+ * Filament Runout Sensor
+ * A mechanical or opto endstop is used to check for the presence of filament.
+ *
+ * RAMPS-based boards use SERVO3_PIN.
+ * For other boards you may need to define FIL_RUNOUT_PIN.
+ * By default the firmware assumes HIGH = has filament, LOW = ran out
+ */
+//#define FILAMENT_RUNOUT_SENSOR
+#if ENABLED(FILAMENT_RUNOUT_SENSOR)
+  #define FIL_RUNOUT_INVERTING false // set to true to invert the logic of the sensor.
+  #define ENDSTOPPULLUP_FIL_RUNOUT // Uncomment to use internal pullup for filament runout pins if the sensor is defined.
+  #define FILAMENT_RUNOUT_SCRIPT "M600"
+#endif
+
+//===========================================================================
+//=============================== Bed Leveling ==============================
+//===========================================================================
+// @section bedlevel
+
+/**
+ * Select one form of Auto Bed Leveling below.
+ *
+ *  If you're also using the Probe for Z Homing, it's
+ *  highly recommended to enable Z_SAFE_HOMING also!
+ *
+ * - 3POINT
+ *   Probe 3 arbitrary points on the bed (that aren't collinear)
+ *   You specify the XY coordinates of all 3 points.
+ *   The result is a single tilted plane. Best for a flat bed.
+ *
+ * - LINEAR
+ *   Probe several points in a grid.
+ *   You specify the rectangle and the density of sample points.
+ *   The result is a single tilted plane. Best for a flat bed.
+ *
+ * - BILINEAR
+ *   Probe several points in a grid.
+ *   You specify the rectangle and the density of sample points.
+ *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
+ */
+//#define AUTO_BED_LEVELING_3POINT
+//#define AUTO_BED_LEVELING_LINEAR
+//#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
+
+
+/**
+ * Enable detailed logging of G28, G29, M48, etc.
+ * Turn on with the command 'M111 S32'.
+ * NOTE: Requires a lot of PROGMEM!
+ */
+//#define DEBUG_LEVELING_FEATURE
+
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
+#if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
+
+  // Set the number of grid points per dimension.
+  #define ABL_GRID_MAX_POINTS_X 3
+  #define ABL_GRID_MAX_POINTS_Y ABL_GRID_MAX_POINTS_X
+
+  // Set the boundaries for probing (where the probe can reach).
+  #define LEFT_PROBE_BED_POSITION 39
+  #define RIGHT_PROBE_BED_POSITION 170
+  #define FRONT_PROBE_BED_POSITION 10
+  #define BACK_PROBE_BED_POSITION 170
+
+  // The Z probe minimum outer margin (to validate G29 parameters).
+  #define MIN_PROBE_EDGE 10
+
+  // Probe along the Y axis, advancing X after each column
+  //#define PROBE_Y_FIRST
+
+  #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
+
+    //
+    // Experimental Subdivision of the grid by Catmull-Rom method.
+    // Synthesizes intermediate points to produce a more detailed mesh.
+    //
+    //#define ABL_BILINEAR_SUBDIVISION
+    #if ENABLED(ABL_BILINEAR_SUBDIVISION)
+      // Number of subdivisions between probe points
+      #define BILINEAR_SUBDIVISIONS 3
+    #endif
+
+  #endif
+
+#elif ENABLED(AUTO_BED_LEVELING_3POINT)
+
+  // 3 arbitrary points to probe.
+  // A simple cross-product is used to estimate the plane of the bed.
+  #define ABL_PROBE_PT_1_X 39
+  #define ABL_PROBE_PT_1_Y 170
+  #define ABL_PROBE_PT_2_X 39
+  #define ABL_PROBE_PT_2_Y 10
+  #define ABL_PROBE_PT_3_X 170
+  #define ABL_PROBE_PT_3_Y 10
+
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
+
+/**
+ * Commands to execute at the end of G29 probing.
+ * Useful to retract or move the Z probe out of the way.
+ */
+//#define Z_PROBE_END_SCRIPT "G1 Z10 F12000\nG1 X15 Y330\nG1 Z0.5\nG1 Z10"
+
+
+// @section homing
+
+// The center of the bed is at (X=0, Y=0)
+//#define BED_CENTER_AT_0_0
+
+// Manually set the home position. Leave these undefined for automatic settings.
+// For DELTA this is the top-center of the Cartesian print volume.
+#define MANUAL_X_HOME_POS 100
+#define MANUAL_Y_HOME_POS 100
+#define MANUAL_Z_HOME_POS 20
+
+// Use "Z Safe Homing" to avoid homing with a Z probe outside the bed area.
+//
+// With this feature enabled:
+//
+// - Allow Z homing only after X and Y homing AND stepper drivers still enabled.
+// - If stepper drivers time out, it will need X and Y homing again before Z homing.
+// - Move the Z probe (or nozzle) to a defined XY point before Z Homing when homing all axes (G28).
+// - Prevent Z homing when the Z probe is outside bed area.
+#define Z_SAFE_HOMING
+
+#if ENABLED(Z_SAFE_HOMING)
+  #define Z_SAFE_HOMING_X_POINT ((X_MIN_POS + X_MAX_POS) / 2)    // X point for Z homing when homing all axis (G28).
+  #define Z_SAFE_HOMING_Y_POINT ((Y_MIN_POS + Y_MAX_POS) / 2)    // Y point for Z homing when homing all axis (G28).
+#endif
+
+// Homing speeds (mm/m)
+#define HOMING_FEEDRATE_XY (40*60)
+#define HOMING_FEEDRATE_Z  (55)
+
+//=============================================================================
+//============================= Additional Features ===========================
+//=============================================================================
+
+// @section extras
+
+//
+// EEPROM
+//
+// The microcontroller can store settings in the EEPROM, e.g. max velocity...
+// M500 - stores parameters in EEPROM
+// M501 - reads parameters from EEPROM (if you need reset them after you changed them temporarily).
+// M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
+//define this to enable EEPROM support
+#define EEPROM_SETTINGS
+
+#if ENABLED(EEPROM_SETTINGS)
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // Please keep turned on if you can.
+#endif
+
+//
+// Host Keepalive
+//
+// When enabled Marlin will send a busy status message to the host
+// every couple of seconds when it can't accept commands.
+//
+//#define HOST_KEEPALIVE_FEATURE        // Disable this if your host doesn't like keepalive messages
+#define DEFAULT_KEEPALIVE_INTERVAL 2  // Number of seconds between "busy" messages. Set with M113.
+
+//
+// M100 Free Memory Watcher
+//
+#define M100_FREE_MEMORY_WATCHER // uncomment to add the M100 Free Memory Watcher for debug purpose
+
+//
+// G20/G21 Inch mode support
+//
+//#define INCH_MODE_SUPPORT
+
+//
+// M149 Set temperature units support
+//
+//#define TEMPERATURE_UNITS_SUPPORT
+
+// @section temperature
+
+// Preheat Constants
+#define PREHEAT_1_TEMP_HOTEND 180
+#define PREHEAT_1_TEMP_BED     70
+#define PREHEAT_1_FAN_SPEED     0 // Value from 0 to 255
+
+#define PREHEAT_2_TEMP_HOTEND 240
+#define PREHEAT_2_TEMP_BED    110
+#define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
+
+//
+// Nozzle Park -- EXPERIMENTAL
+//
+// When enabled allows the user to define a special XYZ position, inside the
+// machine's topology, to park the nozzle when idle or when receiving the G27
+// command.
+//
+// The "P" paramenter controls what is the action applied to the Z axis:
+//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
+//        be raised to reach Z-park height.
+//
+//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
+//        reach Z-park height.
+//
+//    P2: The nozzle height will be raised by Z-park amount but never going over
+//        the machine's limit of Z_MAX_POS.
+//
+//#define NOZZLE_PARK_FEATURE
+
+#if ENABLED(NOZZLE_PARK_FEATURE)
+  // Specify a park position as { X, Y, Z }
+  #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
+#endif
+
+//
+// Clean Nozzle Feature -- EXPERIMENTAL
+//
+// When enabled allows the user to send G12 to start the nozzle cleaning
+// process, the G-Code accepts two parameters:
+//   "P" for pattern selection
+//   "S" for defining the number of strokes/repetitions
+//
+// Available list of patterns:
+//   P0: This is the default pattern, this process requires a sponge type
+//       material at a fixed bed location. S defines "strokes" i.e.
+//       back-and-forth movements between the starting and end points.
+//
+//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
+//       defines the number of zig-zag triangles to be done. "S" defines the
+//       number of strokes aka one back-and-forth movement. Zig-zags will
+//       be performed in whichever dimension is smallest. As an example,
+//       sending "G12 P1 S1 T3" will execute:
+//
+//          --
+//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+//         |           |    /  \      /  \      /  \    |
+//       A |           |   /    \    /    \    /    \   |
+//         |           |  /      \  /      \  /      \  |
+//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+//          --         +--------------------------------+
+//                       |________|_________|_________|
+//                           T1        T2        T3
+//
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
+// Caveats: End point Z should use the same value as Start point Z.
+//
+// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
+// may change to add new functionality like different wipe patterns.
+//
+//#define NOZZLE_CLEAN_FEATURE
+
+#if ENABLED(NOZZLE_CLEAN_FEATURE)
+  // Default number of pattern repetitions
+  #define NOZZLE_CLEAN_STROKES  12
+
+  // Default number of triangles
+  #define NOZZLE_CLEAN_TRIANGLES  3
+
+  // Specify positions as { X, Y, Z }
+  #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
+  #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
+
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
+  // Moves the nozzle to the initial position
+  #define NOZZLE_CLEAN_GOBACK
+#endif
+
+//
+// Print job timer
+//
+// Enable this option to automatically start and stop the
+// print job timer when M104/M109/M190 commands are received.
+// M104 (extruder without wait) - high temp = none, low temp = stop timer
+// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
+// M190 (bed with wait) - high temp = start timer, low temp = none
+//
+// In all cases the timer can be started and stopped using
+// the following commands:
+//
+// - M75  - Start the print job timer
+// - M76  - Pause the print job timer
+// - M77  - Stop the print job timer
+#define PRINTJOB_TIMER_AUTOSTART
+
+//
+// Print Counter
+//
+// When enabled Marlin will keep track of some print statistical data such as:
+//  - Total print jobs
+//  - Total successful print jobs
+//  - Total failed print jobs
+//  - Total time printing
+//
+// This information can be viewed by the M78 command.
+//#define PRINTCOUNTER
+
+//=============================================================================
+//============================= LCD and SD support ============================
+//=============================================================================
+
+// @section lcd
+
+//
+// LCD LANGUAGE
+//
+// Here you may choose the language used by Marlin on the LCD menus, the following
+// list of languages are available:
+//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+//
+// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+//
+#define LCD_LANGUAGE en
+
+//
+// LCD Character Set
+//
+// Note: This option is NOT applicable to Graphical Displays.
+//
+// All character-based LCD's provide ASCII plus one of these
+// language extensions:
+//
+//  - JAPANESE ... the most common
+//  - WESTERN  ... with more accented characters
+//  - CYRILLIC ... for the Russian language
+//
+// To determine the language extension installed on your controller:
+//
+//  - Compile and upload with LCD_LANGUAGE set to 'test'
+//  - Click the controller to view the LCD menu
+//  - The LCD will display Japanese, Western, or Cyrillic text
+//
+// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+//
+// :['JAPANESE', 'WESTERN', 'CYRILLIC']
+//
+#define DISPLAY_CHARSET_HD44780 JAPANESE
+
+//
+// LCD TYPE
+//
+// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
+// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
+// (ST7565R family). (This option will be set automatically for certain displays.)
+//
+// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
+//                 https://github.com/olikraus/U8glib_Arduino
+//
+//#define ULTRA_LCD   // Character based
+//#define DOGLCD      // Full graphics display
+
+//
+// SD CARD
+//
+// SD Card support is disabled by default. If your controller has an SD slot,
+// you must uncomment the following option or it won't work.
+//
+//#define SDSUPPORT
+
+//
+// SD CARD: SPI SPEED
+//
+// Uncomment ONE of the following items to use a slower SPI transfer
+// speed. This is usually required if you're getting volume init errors.
+//
+//#define SPI_SPEED SPI_HALF_SPEED
+//#define SPI_SPEED SPI_QUARTER_SPEED
+//#define SPI_SPEED SPI_EIGHTH_SPEED
+
+//
+// SD CARD: ENABLE CRC
+//
+// Use CRC checks and retries on the SD communication.
+//
+//#define SD_CHECK_AND_RETRY
+
+//
+// ENCODER SETTINGS
+//
+// This option overrides the default number of encoder pulses needed to
+// produce one step. Should be increased for high-resolution encoders.
+//
+//#define ENCODER_PULSES_PER_STEP 1
+
+//
+// Use this option to override the number of step signals required to
+// move between next/prev menu items.
+//
+//#define ENCODER_STEPS_PER_MENU_ITEM 5
+
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
+//
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
+// This option reverses the encoder direction for navigating LCD menus.
+//
+//  If CLOCKWISE normally moves DOWN this makes it go UP.
+//  If CLOCKWISE normally moves UP this makes it go DOWN.
+//
+#define REVERSE_MENU_DIRECTION
+
+//
+// Individual Axis Homing
+//
+// Add individual axis homing items (Home X, Home Y, and Home Z) to the LCD menu.
+//
+//#define INDIVIDUAL_AXIS_HOMING_MENU
+
+//
+// SPEAKER/BUZZER
+//
+// If you have a speaker that can produce tones, enable it here.
+// By default Marlin assumes you have a buzzer with a fixed frequency.
+//
+//#define SPEAKER
+
+//
+// The duration and frequency for the UI feedback sound.
+// Set these to 0 to disable audio feedback in the LCD menus.
+//
+// Note: Test audio output with the G-Code:
+//  M300 S<frequency Hz> P<duration ms>
+//
+//#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100
+//#define LCD_FEEDBACK_FREQUENCY_HZ 1000
+
+//
+// CONTROLLER TYPE: Standard
+//
+// Marlin supports a wide variety of controllers.
+// Enable one of the following options to specify your controller.
+//
+
+//
+// ULTIMAKER Controller.
+//
+//#define ULTIMAKERCONTROLLER
+
+//
+// ULTIPANEL as seen on Thingiverse.
+//
+//#define ULTIPANEL
+
+//
+// Cartesio UI
+// http://mauk.cc/webshop/cartesio-shop/electronics/user-interface
+//
+//#define CARTESIO_UI
+
+//
+// PanelOne from T3P3 (via RAMPS 1.4 AUX2/AUX3)
+// http://reprap.org/wiki/PanelOne
+//
+//#define PANEL_ONE
+
+//
+// MaKr3d Makr-Panel with graphic controller and SD support.
+// http://reprap.org/wiki/MaKr3d_MaKrPanel
+//
+//#define MAKRPANEL
+
+//
+// ReprapWorld Graphical LCD
+// https://reprapworld.com/?products_details&products_id/1218
+//
+//#define REPRAPWORLD_GRAPHICAL_LCD
+
+//
+// Activate one of these if you have a Panucatt Devices
+// Viki 2.0 or mini Viki with Graphic LCD
+// http://panucatt.com
+//
+//#define VIKI2
+//#define miniVIKI
+
+//
+// Adafruit ST7565 Full Graphic Controller.
+// https://github.com/eboston/Adafruit-ST7565-Full-Graphic-Controller/
+//
+//#define ELB_FULL_GRAPHIC_CONTROLLER
+
+//
+// RepRapDiscount Smart Controller.
+// http://reprap.org/wiki/RepRapDiscount_Smart_Controller
+//
+// Note: Usually sold with a white PCB.
+//
+#define REPRAP_DISCOUNT_SMART_CONTROLLER
+
+//
+// GADGETS3D G3D LCD/SD Controller
+// http://reprap.org/wiki/RAMPS_1.3/1.4_GADGETS3D_Shield_with_Panel
+//
+// Note: Usually sold with a blue PCB.
+//
+//#define G3D_PANEL
+
+//
+// RepRapDiscount FULL GRAPHIC Smart Controller
+// http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
+//
+//#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+
+//
+// MakerLab Mini Panel with graphic
+// controller and SD support - http://reprap.org/wiki/Mini_panel
+//
+//#define MINIPANEL
+
+//
+// RepRapWorld REPRAPWORLD_KEYPAD v1.1
+// http://reprapworld.com/?products_details&products_id=202&cPath=1591_1626
+//
+// REPRAPWORLD_KEYPAD_MOVE_STEP sets how much should the robot move when a key
+// is pressed, a value of 10.0 means 10mm per click.
+//
+//#define REPRAPWORLD_KEYPAD
+//#define REPRAPWORLD_KEYPAD_MOVE_STEP 1.0
+
+//
+// RigidBot Panel V1.0
+// http://www.inventapart.com/
+//
+//#define RIGIDBOT_PANEL
+
+//
+// BQ LCD Smart Controller shipped by
+// default with the BQ Hephestos 2 and Witbox 2.
+//
+//#define BQ_LCD_SMART_CONTROLLER
+
+//
+// CONTROLLER TYPE: I2C
+//
+// Note: These controllers require the installation of Arduino's LiquidCrystal_I2C
+// library. For more info: https://github.com/kiyoshigawa/LiquidCrystal_I2C
+//
+
+//
+// Elefu RA Board Control Panel
+// http://www.elefu.com/index.php?route=product/product&product_id=53
+//
+//#define RA_CONTROL_PANEL
+
+//
+// Sainsmart YW Robot (LCM1602) LCD Display
+//
+//#define LCD_I2C_SAINSMART_YWROBOT
+
+//
+// Generic LCM1602 LCD adapter
+//
+//#define LCM1602
+
+//
+// PANELOLU2 LCD with status LEDs,
+// separate encoder and click inputs.
+//
+// Note: This controller requires Arduino's LiquidTWI2 library v1.2.3 or later.
+// For more info: https://github.com/lincomatic/LiquidTWI2
+//
+// Note: The PANELOLU2 encoder click input can either be directly connected to
+// a pin (if BTN_ENC defined to != -1) or read through I2C (when BTN_ENC == -1).
+//
+//#define LCD_I2C_PANELOLU2
+
+//
+// Panucatt VIKI LCD with status LEDs,
+// integrated click & L/R/U/D buttons, separate encoder inputs.
+//
+//#define LCD_I2C_VIKI
+
+//
+// SSD1306 OLED full graphics generic display
+//
+//#define U8GLIB_SSD1306
+
+//
+// SAV OLEd LCD module support using either SSD1306 or SH1106 based LCD modules
+//
+//#define SAV_3DGLCD
+#if ENABLED(SAV_3DGLCD)
+  //#define U8GLIB_SSD1306
+  #define U8GLIB_SH1106
+#endif
+
+//
+// CONTROLLER TYPE: Shift register panels
+//
+// 2 wire Non-latching LCD SR from https://goo.gl/aJJ4sH
+// LCD configuration: http://reprap.org/wiki/SAV_3D_LCD
+//
+//#define SAV_3DLCD
+
+//=============================================================================
+//=============================== Extra Features ==============================
+//=============================================================================
+
+// @section extras
+
+// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
+//#define FAST_PWM_FAN
+
+// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
+// which is not as annoying as with the hardware PWM. On the other hand, if this frequency
+// is too low, you should also increment SOFT_PWM_SCALE.
+//#define FAN_SOFT_PWM
+
+// Incrementing this by 1 will double the software PWM frequency,
+// affecting heaters, and the fan if FAN_SOFT_PWM is enabled.
+// However, control resolution will be halved for each increment;
+// at zero value, there are 128 effective control positions.
+#define SOFT_PWM_SCALE 0
+
+// Temperature status LEDs that display the hotend and bed temperature.
+// If all hotends and bed temperature and temperature setpoint are < 54C then the BLUE led is on.
+// Otherwise the RED led is on. There is 1C hysteresis.
+//#define TEMP_STAT_LEDS
+
+// M240  Triggers a camera by emulating a Canon RC-1 Remote
+// Data from: http://www.doc-diy.net/photo/rc-1_hacked/
+//#define PHOTOGRAPH_PIN     23
+
+// SkeinForge sends the wrong arc g-codes when using Arc Point as fillet procedure
+//#define SF_ARC_FIX
+
+// Support for the BariCUDA Paste Extruder.
+//#define BARICUDA
+
+//define BlinkM/CyzRgb Support
+//#define BLINKM
+
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
+/*********************************************************************\
+* R/C SERVO support
+* Sponsored by TrinityLabs, Reworked by codexmas
+**********************************************************************/
+
+// Number of servos
+//
+// If you select a configuration below, this will receive a default value and does not need to be set manually
+// set it manually if you have more servos than extruders and wish to manually control some
+// leaving it undefined or defining as 0 will disable the servo subsystem
+// If unsure, leave commented / disabled
+//
+#define NUM_SERVOS 2 // Servo index starts with 0 for M280 command
+
+// Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.
+// 300ms is a good value but you can try less delay.
+// If the servo can't reach the requested position, increase it.
+#define SERVO_DELAY 500
+
+// Servo deactivation
+//
+// With this option servos are powered only during movement, then turned off to prevent jitter.
+#define DEACTIVATE_SERVOS_AFTER_MOVE
+
+/**********************************************************************\
+ * Support for a filament diameter sensor
+ * Also allows adjustment of diameter at print time (vs  at slicing)
+ * Single extruder only at this point (extruder 0)
+ *
+ * Motherboards
+ * 34 - RAMPS1.4 - uses Analog input 5 on the AUX2 connector
+ * 81 - Printrboard - Uses Analog input 2 on the Exp1 connector (version B,C,D,E)
+ * 301 - Rambo  - uses Analog input 3
+ * Note may require analog pins to be defined for different motherboards
+ **********************************************************************/
+// Uncomment below to enable
+//#define FILAMENT_WIDTH_SENSOR
+
+#define DEFAULT_NOMINAL_FILAMENT_DIA 1.75  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
+
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
+  #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
+  #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
+
+  #define MEASURED_UPPER_LIMIT         3.30  //upper limit factor used for sensor reading validation in mm
+  #define MEASURED_LOWER_LIMIT         1.90  //lower limit factor for sensor reading validation in mm
+  #define MAX_MEASUREMENT_DELAY       20     //delay buffer size in bytes (1 byte = 1cm)- limits maximum measurement delay allowable (must be larger than MEASUREMENT_DELAY_CM  and lower number saves RAM)
+
+  #define DEFAULT_MEASURED_FILAMENT_DIA  DEFAULT_NOMINAL_FILAMENT_DIA  //set measured to nominal initially
+
+  //When using an LCD, uncomment the line below to display the Filament sensor data on the last line instead of status.  Status will appear for 5 sec.
+  //#define FILAMENT_LCD_DISPLAY
+#endif
+
+#endif // CONFIGURATION_H
diff --git a/Marlin/example_configurations/Roxys_printers/Folger_Tech_i3_2020/Configuration_adv.h b/Marlin/example_configurations/Roxys_printers/Folger_Tech_i3_2020/Configuration_adv.h
new file mode 100644
index 0000000000000000000000000000000000000000..9963964116621383e0c7432d0ff94933d076ee06
--- /dev/null
+++ b/Marlin/example_configurations/Roxys_printers/Folger_Tech_i3_2020/Configuration_adv.h
@@ -0,0 +1,1091 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Configuration_adv.h
+ *
+ * Advanced settings.
+ * Only change these if you know exactly what you're doing.
+ * Some of these settings can damage your printer if improperly set!
+ *
+ * Basic settings can be found in Configuration.h
+ *
+ */
+#ifndef CONFIGURATION_ADV_H
+#define CONFIGURATION_ADV_H
+
+/**
+ *
+ *  ***********************************
+ *  **  ATTENTION TO ALL DEVELOPERS  **
+ *  ***********************************
+ *
+ * You must increment this version number for every significant change such as,
+ * but not limited to: ADD, DELETE RENAME OR REPURPOSE any directive/option.
+ *
+ * Note: Update also Version.h !
+ */
+#define CONFIGURATION_ADV_H_VERSION 010100
+
+// @section temperature
+
+//===========================================================================
+//=============================Thermal Settings  ============================
+//===========================================================================
+
+#if DISABLED(PIDTEMPBED)
+  #define BED_CHECK_INTERVAL 5000 // ms between checks in bang-bang control
+  #if ENABLED(BED_LIMIT_SWITCHING)
+    #define BED_HYSTERESIS 2 // Only disable heating if T>target+BED_HYSTERESIS and enable heating if T>target-BED_HYSTERESIS
+  #endif
+#endif
+
+/**
+ * Thermal Protection protects your printer from damage and fire if a
+ * thermistor falls out or temperature sensors fail in any way.
+ *
+ * The issue: If a thermistor falls out or a temperature sensor fails,
+ * Marlin can no longer sense the actual temperature. Since a disconnected
+ * thermistor reads as a low temperature, the firmware will keep the heater on.
+ *
+ * The solution: Once the temperature reaches the target, start observing.
+ * If the temperature stays too far below the target (hysteresis) for too long (period),
+ * the firmware will halt the machine as a safety precaution.
+ *
+ * If you get false positives for "Thermal Runaway" increase THERMAL_PROTECTION_HYSTERESIS and/or THERMAL_PROTECTION_PERIOD
+ */
+#if ENABLED(THERMAL_PROTECTION_HOTENDS)
+  #define THERMAL_PROTECTION_PERIOD 40        // Seconds
+  #define THERMAL_PROTECTION_HYSTERESIS 2     // Degrees Celsius
+
+  /**
+   * Whenever an M104 or M109 increases the target temperature the firmware will wait for the
+   * WATCH_TEMP_PERIOD to expire, and if the temperature hasn't increased by WATCH_TEMP_INCREASE
+   * degrees, the machine is halted, requiring a hard reset. This test restarts with any M104/M109,
+   * but only if the current temperature is far enough below the target for a reliable test.
+   *
+   * If you get false positives for "Heating failed" increase WATCH_TEMP_PERIOD and/or decrease WATCH_TEMP_INCREASE
+   * WATCH_TEMP_INCREASE should not be below 2.
+   */
+  #define WATCH_TEMP_PERIOD 40                // Seconds
+  #define WATCH_TEMP_INCREASE 2               // Degrees Celsius
+#endif
+
+/**
+ * Thermal Protection parameters for the bed are just as above for hotends.
+ */
+#if ENABLED(THERMAL_PROTECTION_BED)
+  #define THERMAL_PROTECTION_BED_PERIOD 40    // Seconds
+  #define THERMAL_PROTECTION_BED_HYSTERESIS 2 // Degrees Celsius
+
+  /**
+   * Whenever an M140 or M190 increases the target temperature the firmware will wait for the
+   * WATCH_BED_TEMP_PERIOD to expire, and if the temperature hasn't increased by WATCH_BED_TEMP_INCREASE
+   * degrees, the machine is halted, requiring a hard reset. This test restarts with any M140/M190,
+   * but only if the current temperature is far enough below the target for a reliable test.
+   *
+   * If you get too many "Heating failed" errors, increase WATCH_BED_TEMP_PERIOD and/or decrease
+   * WATCH_BED_TEMP_INCREASE. (WATCH_BED_TEMP_INCREASE should not be below 2.)
+   */
+  #define WATCH_BED_TEMP_PERIOD 60                // Seconds
+  #define WATCH_BED_TEMP_INCREASE 2               // Degrees Celsius
+#endif
+
+#if ENABLED(PIDTEMP)
+  // this adds an experimental additional term to the heating power, proportional to the extrusion speed.
+  // if Kc is chosen well, the additional required power due to increased melting should be compensated.
+  //#define PID_EXTRUSION_SCALING
+  #if ENABLED(PID_EXTRUSION_SCALING)
+    #define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
+    #define LPQ_MAX_LEN 50
+  #endif
+#endif
+
+/**
+ * Automatic Temperature:
+ * The hotend target temperature is calculated by all the buffered lines of gcode.
+ * The maximum buffered steps/sec of the extruder motor is called "se".
+ * Start autotemp mode with M109 S<mintemp> B<maxtemp> F<factor>
+ * The target temperature is set to mintemp+factor*se[steps/sec] and is limited by
+ * mintemp and maxtemp. Turn this off by executing M109 without F*
+ * Also, if the temperature is set to a value below mintemp, it will not be changed by autotemp.
+ * On an Ultimaker, some initial testing worked with M109 S215 B260 F1 in the start.gcode
+ */
+#define AUTOTEMP
+#if ENABLED(AUTOTEMP)
+  #define AUTOTEMP_OLDWEIGHT 0.98
+#endif
+
+//Show Temperature ADC value
+//The M105 command return, besides traditional information, the ADC value read from temperature sensors.
+//#define SHOW_TEMP_ADC_VALUES
+
+/**
+ * High Temperature Thermistor Support
+ *
+ * Thermistors able to support high temperature tend to have a hard time getting
+ * good readings at room and lower temperatures. This means HEATER_X_RAW_LO_TEMP
+ * will probably be caught when the heating element first turns on during the
+ * preheating process, which will trigger a min_temp_error as a safety measure
+ * and force stop everything.
+ * To circumvent this limitation, we allow for a preheat time (during which,
+ * min_temp_error won't be triggered) and add a min_temp buffer to handle
+ * aberrant readings.
+ *
+ * If you want to enable this feature for your hotend thermistor(s)
+ * uncomment and set values > 0 in the constants below
+ */
+
+// The number of consecutive low temperature errors that can occur
+// before a min_temp_error is triggered. (Shouldn't be more than 10.)
+//#define MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED 0
+
+// The number of milliseconds a hotend will preheat before starting to check
+// the temperature. This value should NOT be set to the time it takes the
+// hot end to reach the target temperature, but the time it takes to reach
+// the minimum temperature your thermistor can read. The lower the better/safer.
+// This shouldn't need to be more than 30 seconds (30000)
+//#define MILLISECONDS_PREHEAT_TIME 0
+
+// @section extruder
+
+// Extruder runout prevention.
+// If the machine is idle and the temperature over MINTEMP
+// then extrude some filament every couple of SECONDS.
+//#define EXTRUDER_RUNOUT_PREVENT
+#if ENABLED(EXTRUDER_RUNOUT_PREVENT)
+  #define EXTRUDER_RUNOUT_MINTEMP 190
+  #define EXTRUDER_RUNOUT_SECONDS 30
+  #define EXTRUDER_RUNOUT_SPEED 1500  // mm/m
+  #define EXTRUDER_RUNOUT_EXTRUDE 5   // mm
+#endif
+
+// @section temperature
+
+//These defines help to calibrate the AD595 sensor in case you get wrong temperature measurements.
+//The measured temperature is defined as "actualTemp = (measuredTemp * TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET"
+#define TEMP_SENSOR_AD595_OFFSET 0.0
+#define TEMP_SENSOR_AD595_GAIN   1.0
+
+//This is for controlling a fan to cool down the stepper drivers
+//it will turn on when any driver is enabled
+//and turn off after the set amount of seconds from last driver being disabled again
+#define CONTROLLERFAN_PIN -1 //Pin used for the fan to cool controller (-1 to disable)
+#define CONTROLLERFAN_SECS 60 //How many seconds, after all motors were disabled, the fan should run
+#define CONTROLLERFAN_SPEED 255  // == full speed
+
+// When first starting the main fan, run it at full speed for the
+// given number of milliseconds.  This gets the fan spinning reliably
+// before setting a PWM value. (Does not work with software PWM for fan on Sanguinololu)
+//#define FAN_KICKSTART_TIME 100
+
+// This defines the minimal speed for the main fan, run in PWM mode
+// to enable uncomment and set minimal PWM speed for reliable running (1-255)
+// if fan speed is [1 - (FAN_MIN_PWM-1)] it is set to FAN_MIN_PWM
+//#define FAN_MIN_PWM 50
+
+// @section extruder
+
+/**
+ * Extruder cooling fans
+ *
+ * Extruder auto fans automatically turn on when their extruders'
+ * temperatures go above EXTRUDER_AUTO_FAN_TEMPERATURE.
+ *
+ * Your board's pins file specifies the recommended pins. Override those here
+ * or set to -1 to disable completely.
+ *
+ * Multiple extruders can be assigned to the same pin in which case
+ * the fan will turn on when any selected extruder is above the threshold.
+ */
+#define E0_AUTO_FAN_PIN -1
+#define E1_AUTO_FAN_PIN -1
+#define E2_AUTO_FAN_PIN -1
+#define E3_AUTO_FAN_PIN -1
+#define EXTRUDER_AUTO_FAN_TEMPERATURE 50
+#define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
+
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+#if PIN_EXISTS(CASE_LIGHT)
+  #define INVERT_CASE_LIGHT false   // Set to true if HIGH is the OFF state (active low)
+  //#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+  //#define MENU_ITEM_CASE_LIGHT    // Uncomment to have a Case Light On / Off entry in main menu
+#endif
+
+//===========================================================================
+//============================ Mechanical Settings ==========================
+//===========================================================================
+
+// @section homing
+
+// If you want endstops to stay on (by default) even when not homing
+// enable this option. Override at any time with M120, M121.
+//#define ENDSTOPS_ALWAYS_ON_DEFAULT
+
+// @section extras
+
+//#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
+
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
+// A single Z stepper driver is usually used to drive 2 stepper motors.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
+//#define Z_DUAL_STEPPER_DRIVERS
+
+#if ENABLED(Z_DUAL_STEPPER_DRIVERS)
+
+  // Z_DUAL_ENDSTOPS is a feature to enable the use of 2 endstops for both Z steppers - Let's call them Z stepper and Z2 stepper.
+  // That way the machine is capable to align the bed during home, since both Z steppers are homed.
+  // There is also an implementation of M666 (software endstops adjustment) to this feature.
+  // After Z homing, this adjustment is applied to just one of the steppers in order to align the bed.
+  // One just need to home the Z axis and measure the distance difference between both Z axis and apply the math: Z adjust = Z - Z2.
+  // If the Z stepper axis is closer to the bed, the measure Z > Z2 (yes, it is.. think about it) and the Z adjust would be positive.
+  // Play a little bit with small adjustments (0.5mm) and check the behaviour.
+  // The M119 (endstops report) will start reporting the Z2 Endstop as well.
+
+  //#define Z_DUAL_ENDSTOPS
+
+  #if ENABLED(Z_DUAL_ENDSTOPS)
+    #define Z2_USE_ENDSTOP _XMAX_
+  #endif
+
+#endif // Z_DUAL_STEPPER_DRIVERS
+
+// Enable this for dual x-carriage printers.
+// A dual x-carriage design has the advantage that the inactive extruder can be parked which
+// prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
+//#define DUAL_X_CARRIAGE
+#if ENABLED(DUAL_X_CARRIAGE)
+  // Configuration for second X-carriage
+  // Note: the first x-carriage is defined as the x-carriage which homes to the minimum endstop;
+  // the second x-carriage always homes to the maximum endstop.
+  #define X2_MIN_POS 80     // set minimum to ensure second x-carriage doesn't hit the parked first X-carriage
+  #define X2_MAX_POS 353    // set maximum to the distance between toolheads when both heads are homed
+  #define X2_HOME_DIR 1     // the second X-carriage always homes to the maximum endstop position
+  #define X2_HOME_POS X2_MAX_POS // default home position is the maximum carriage position
+      // However: In this mode the HOTEND_OFFSET_X value for the second extruder provides a software
+      // override for X2_HOME_POS. This also allow recalibration of the distance between the two endstops
+      // without modifying the firmware (through the "M218 T1 X???" command).
+      // Remember: you should set the second extruder x-offset to 0 in your slicer.
+
+  // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
+  //    Mode 0 (DXC_FULL_CONTROL_MODE): Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
+  //                                    as long as it supports dual x-carriages. (M605 S0)
+  //    Mode 1 (DXC_AUTO_PARK_MODE)   : Auto-park mode. The firmware will automatically park and unpark the x-carriages on tool changes so
+  //                                    that additional slicer support is not required. (M605 S1)
+  //    Mode 2 (DXC_DUPLICATION_MODE) : Duplication mode. The firmware will transparently make the second x-carriage and extruder copy all
+  //                                    actions of the first x-carriage. This allows the printer to print 2 arbitrary items at
+  //                                    once. (2nd extruder x offset and temp offset are set using: M605 S2 [Xnnn] [Rmmm])
+
+  // This is the default power-up mode which can be later using M605.
+  #define DEFAULT_DUAL_X_CARRIAGE_MODE DXC_FULL_CONTROL_MODE
+
+  // Default settings in "Auto-park Mode"
+  #define TOOLCHANGE_PARK_ZLIFT   0.2      // the distance to raise Z axis when parking an extruder
+  #define TOOLCHANGE_UNPARK_ZLIFT 1        // the distance to raise Z axis when unparking an extruder
+
+  // Default x offset in duplication mode (typically set to half print bed width)
+  #define DEFAULT_DUPLICATION_X_OFFSET 100
+
+#endif //DUAL_X_CARRIAGE
+
+// @section homing
+
+//homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
+#define X_HOME_BUMP_MM 5
+#define Y_HOME_BUMP_MM 5
+#define Z_HOME_BUMP_MM 2
+#define HOMING_BUMP_DIVISOR {2, 2, 4}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
+//#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
+
+// When G28 is called, this option will make Y home before X
+//#define HOME_Y_BEFORE_X
+
+// @section machine
+
+#define AXIS_RELATIVE_MODES {false, false, false, false}
+
+// Allow duplication mode with a basic dual-nozzle extruder
+//#define DUAL_NOZZLE_DUPLICATION_MODE
+
+// By default pololu step drivers require an active high signal. However, some high power drivers require an active low signal as step.
+#define INVERT_X_STEP_PIN false
+#define INVERT_Y_STEP_PIN false
+#define INVERT_Z_STEP_PIN false
+#define INVERT_E_STEP_PIN false
+
+// Default stepper release if idle. Set to 0 to deactivate.
+// Steppers will shut down DEFAULT_STEPPER_DEACTIVE_TIME seconds after the last move when DISABLE_INACTIVE_? is true.
+// Time can be set by M18 and M84.
+#define DEFAULT_STEPPER_DEACTIVE_TIME 120
+#define DISABLE_INACTIVE_X true
+#define DISABLE_INACTIVE_Y true
+#define DISABLE_INACTIVE_Z true  // set to false if the nozzle will fall down on your printed part when print has finished.
+#define DISABLE_INACTIVE_E true
+
+#define DEFAULT_MINIMUMFEEDRATE       0.0     // minimum feedrate
+#define DEFAULT_MINTRAVELFEEDRATE     0.0
+
+// @section lcd
+
+#if ENABLED(ULTIPANEL)
+  #define MANUAL_FEEDRATE {50*60, 50*60, 4*60, 60} // Feedrates for manual moves along X, Y, Z, E from panel
+  #define ULTIPANEL_FEEDMULTIPLY  // Comment to disable setting feedrate multiplier via encoder
+#endif
+
+// @section extras
+
+// minimum time in microseconds that a movement needs to take if the buffer is emptied.
+#define DEFAULT_MINSEGMENTTIME        20000
+
+// If defined the movements slow down when the look ahead buffer is only half full
+#define SLOWDOWN
+
+// Frequency limit
+// See nophead's blog for more info
+// Not working O
+//#define XY_FREQUENCY_LIMIT  15
+
+// Minimum planner junction speed. Sets the default minimum speed the planner plans for at the end
+// of the buffer and all stops. This should not be much greater than zero and should only be changed
+// if unwanted behavior is observed on a user's machine when running at very slow speeds.
+#define MINIMUM_PLANNER_SPEED 0.05// (mm/sec)
+
+// Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
+#define MICROSTEP_MODES {16,16,16,16,16} // [1,2,4,8,16]
+
+// Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
+#define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
+
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+
+// uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+//#define DIGIPOT_I2C
+// Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
+#define DIGIPOT_I2C_NUM_CHANNELS 8
+// actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS
+#define DIGIPOT_I2C_MOTOR_CURRENTS {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0}
+
+//===========================================================================
+//=============================Additional Features===========================
+//===========================================================================
+
+#define ENCODER_RATE_MULTIPLIER         // If defined, certain menu edit operations automatically multiply the steps when the encoder is moved quickly
+#define ENCODER_10X_STEPS_PER_SEC 75    // If the encoder steps per sec exceeds this value, multiply steps moved x10 to quickly advance the value
+#define ENCODER_100X_STEPS_PER_SEC 160  // If the encoder steps per sec exceeds this value, multiply steps moved x100 to really quickly advance the value
+
+//#define CHDK 4        //Pin for triggering CHDK to take a picture see how to use it here http://captain-slow.dk/2014/03/09/3d-printing-timelapses/
+#define CHDK_DELAY 50 //How long in ms the pin should stay HIGH before going LOW again
+
+// @section lcd
+
+// Include a page of printer information in the LCD Main Menu
+//#define LCD_INFO_MENU
+
+// On the Info Screen, display XY with one decimal place when possible
+//#define LCD_DECIMAL_SMALL_XY
+
+// The timeout (in ms) to return to the status screen from sub-menus
+//#define LCD_TIMEOUT_TO_STATUS 15000
+
+#if ENABLED(SDSUPPORT)
+
+  // Some RAMPS and other boards don't detect when an SD card is inserted. You can work
+  // around this by connecting a push button or single throw switch to the pin defined
+  // as SD_DETECT_PIN in your board's pins definitions.
+  // This setting should be disabled unless you are using a push button, pulling the pin to ground.
+  // Note: This is always disabled for ULTIPANEL (except ELB_FULL_GRAPHIC_CONTROLLER).
+  #define SD_DETECT_INVERTED
+
+  #define SD_FINISHED_STEPPERRELEASE true  //if sd support and the file is finished: disable steppers?
+  #define SD_FINISHED_RELEASECOMMAND "M84 X Y Z E" // You might want to keep the z enabled so your bed stays in place.
+
+  #define SDCARD_RATHERRECENTFIRST  //reverse file order of sd card menu display. Its sorted practically after the file system block order.
+  // if a file is deleted, it frees a block. hence, the order is not purely chronological. To still have auto0.g accessible, there is again the option to do that.
+  // using:
+  //#define MENU_ADDAUTOSTART
+
+  /**
+   * Sort SD file listings in alphabetical order.
+   *
+   * With this option enabled, items on SD cards will be sorted
+   * by name for easier navigation.
+   *
+   * By default...
+   *
+   *  - Use the slowest -but safest- method for sorting.
+   *  - Folders are sorted to the top.
+   *  - The sort key is statically allocated.
+   *  - No added G-code (M34) support.
+   *  - 40 item sorting limit. (Items after the first 40 are unsorted.)
+   *
+   * SD sorting uses static allocation (as set by SDSORT_LIMIT), allowing the
+   * compiler to calculate the worst-case usage and throw an error if the SRAM
+   * limit is exceeded.
+   *
+   *  - SDSORT_USES_RAM provides faster sorting via a static directory buffer.
+   *  - SDSORT_USES_STACK does the same, but uses a local stack-based buffer.
+   *  - SDSORT_CACHE_NAMES will retain the sorted file listing in RAM. (Expensive!)
+   *  - SDSORT_DYNAMIC_RAM only uses RAM when the SD menu is visible. (Use with caution!)
+   */
+  //#define SDCARD_SORT_ALPHA
+
+  // SD Card Sorting options
+  #if ENABLED(SDCARD_SORT_ALPHA)
+    #define SDSORT_LIMIT       40     // Maximum number of sorted items (10-256).
+    #define FOLDER_SORTING     -1     // -1=above  0=none  1=below
+    #define SDSORT_GCODE       false  // Allow turning sorting on/off with LCD and M34 g-code.
+    #define SDSORT_USES_RAM    false  // Pre-allocate a static array for faster pre-sorting.
+    #define SDSORT_USES_STACK  false  // Prefer the stack for pre-sorting to give back some SRAM. (Negated by next 2 options.)
+    #define SDSORT_CACHE_NAMES false  // Keep sorted items in RAM longer for speedy performance. Most expensive option.
+    #define SDSORT_DYNAMIC_RAM false  // Use dynamic allocation (within SD menus). Least expensive option. Set SDSORT_LIMIT before use!
+  #endif
+
+  // Show a progress bar on HD44780 LCDs for SD printing
+  //#define LCD_PROGRESS_BAR
+
+  #if ENABLED(LCD_PROGRESS_BAR)
+    // Amount of time (ms) to show the bar
+    #define PROGRESS_BAR_BAR_TIME 2000
+    // Amount of time (ms) to show the status message
+    #define PROGRESS_BAR_MSG_TIME 3000
+    // Amount of time (ms) to retain the status message (0=forever)
+    #define PROGRESS_MSG_EXPIRE   0
+    // Enable this to show messages for MSG_TIME then hide them
+    //#define PROGRESS_MSG_ONCE
+    // Add a menu item to test the progress bar:
+    //#define LCD_PROGRESS_BAR_TEST
+  #endif
+
+  // This allows hosts to request long names for files and folders with M33
+  //#define LONG_FILENAME_HOST_SUPPORT
+
+  // This option allows you to abort SD printing when any endstop is triggered.
+  // This feature must be enabled with "M540 S1" or from the LCD menu.
+  // To have any effect, endstops must be enabled during SD printing.
+  //#define ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED
+
+#endif // SDSUPPORT
+
+/**
+ * Additional options for Graphical Displays
+ *
+ * Use the optimizations here to improve printing performance,
+ * which can be adversely affected by graphical display drawing,
+ * especially when doing several short moves, and when printing
+ * on DELTA and SCARA machines.
+ *
+ * Some of these options may result in the display lagging behind
+ * controller events, as there is a trade-off between reliable
+ * printing performance versus fast display updates.
+ */
+#if ENABLED(DOGLCD)
+  // Enable to save many cycles by drawing a hollow frame on the Info Screen
+  #define XYZ_HOLLOW_FRAME
+
+  // Enable to save many cycles by drawing a hollow frame on Menu Screens
+  #define MENU_HOLLOW_FRAME
+
+  // A bigger font is available for edit items. Costs 3120 bytes of PROGMEM.
+  // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
+  //#define USE_BIG_EDIT_FONT
+
+  // A smaller font may be used on the Info Screen. Costs 2300 bytes of PROGMEM.
+  // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
+  //#define USE_SMALL_INFOFONT
+
+  // Enable this option and reduce the value to optimize screen updates.
+  // The normal delay is 10µs. Use the lowest value that still gives a reliable display.
+  //#define DOGM_SPI_DELAY_US 5
+#endif // DOGLCD
+
+// @section safety
+
+// The hardware watchdog should reset the microcontroller disabling all outputs,
+// in case the firmware gets stuck and doesn't do temperature regulation.
+#define USE_WATCHDOG
+
+#if ENABLED(USE_WATCHDOG)
+  // If you have a watchdog reboot in an ArduinoMega2560 then the device will hang forever, as a watchdog reset will leave the watchdog on.
+  // The "WATCHDOG_RESET_MANUAL" goes around this by not using the hardware reset.
+  //  However, THIS FEATURE IS UNSAFE!, as it will only work if interrupts are disabled. And the code could hang in an interrupt routine with interrupts disabled.
+  //#define WATCHDOG_RESET_MANUAL
+#endif
+
+// @section lcd
+
+// Babystepping enables the user to control the axis in tiny amounts, independently from the normal printing process
+// it can e.g. be used to change z-positions in the print startup phase in real-time
+// does not respect endstops!
+//#define BABYSTEPPING
+#if ENABLED(Roxy_work)
+  #define BABYSTEPPING
+#endif
+#if ENABLED(BABYSTEPPING)
+  #define BABYSTEP_XY  //not only z, but also XY in the menu. more clutter, more functions
+                       //not implemented for deltabots!
+  #define BABYSTEP_INVERT_Z false  //true for inverse movements in Z
+  #define BABYSTEP_MULTIPLICATOR 2 //faster movements
+#endif
+
+// @section extruder
+
+// extruder advance constant (s2/mm3)
+//
+// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
+//
+// Hooke's law says:    force = k * distance
+// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
+// so: v ^ 2 is proportional to number of steps we advance the extruder
+//#define ADVANCE
+
+#if ENABLED(ADVANCE)
+  #define EXTRUDER_ADVANCE_K .0
+  #define D_FILAMENT 2.85
+#endif
+
+/**
+ * Implementation of linear pressure control
+ *
+ * Assumption: advance = k * (delta velocity)
+ * K=0 means advance disabled.
+ * See Marlin documentation for calibration instructions.
+ */
+//#define LIN_ADVANCE
+
+#if ENABLED(LIN_ADVANCE)
+  #define LIN_ADVANCE_K 75
+
+  /**
+   * Some Slicers produce Gcode with randomly jumping extrusion widths occasionally.
+   * For example within a 0.4mm perimeter it may produce a single segment of 0.05mm width.
+   * While this is harmless for normal printing (the fluid nature of the filament will
+   * close this very, very tiny gap), it throws off the LIN_ADVANCE pressure adaption.
+   *
+   * For this case LIN_ADVANCE_E_D_RATIO can be used to set the extrusion:distance ratio
+   * to a fixed value. Note that using a fixed ratio will lead to wrong nozzle pressures
+   * if the slicer is using variable widths or layer heights within one print!
+   *
+   * This option sets the default E:D ratio at startup. Use `M905` to override this value.
+   *
+   * Example: `M905 W0.4 H0.2 D1.75`, where:
+   *   - W is the extrusion width in mm
+   *   - H is the layer height in mm
+   *   - D is the filament diameter in mm
+   *
+   * Set to 0 to auto-detect the ratio based on given Gcode G1 print moves.
+   *
+   * Slic3r (including Prusa Slic3r) produces Gcode compatible with the automatic mode.
+   * Cura (as of this writing) may produce Gcode incompatible with the automatic mode.
+   */
+  #define LIN_ADVANCE_E_D_RATIO 0 // The calculated ratio (or 0) according to the formula W * H / ((D / 2) ^ 2 * PI)
+                                  // Example: 0.4 * 0.2 / ((1.75 / 2) ^ 2 * PI) = 0.033260135
+#endif
+
+// @section leveling
+
+// Default mesh area is an area with an inset margin on the print area.
+// Below are the macros that are used to define the borders for the mesh area,
+// made available here for specialized needs, ie dual extruder setup.
+#if ENABLED(MESH_BED_LEVELING)
+  #define MESH_MIN_X (X_MIN_POS + MESH_INSET)
+  #define MESH_MAX_X (X_MAX_POS - (MESH_INSET))
+  #define MESH_MIN_Y (Y_MIN_POS + MESH_INSET)
+  #define MESH_MAX_Y (Y_MAX_POS - (MESH_INSET))
+#endif
+
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+  #define UBL_MESH_MIN_X (X_MIN_POS + UBL_MESH_INSET)
+  #define UBL_MESH_MAX_X (X_MAX_POS - (UBL_MESH_INSET))
+  #define UBL_MESH_MIN_Y (Y_MIN_POS + UBL_MESH_INSET)
+  #define UBL_MESH_MAX_Y (Y_MAX_POS - (UBL_MESH_INSET))
+#endif
+
+// @section extras
+
+// Arc interpretation settings:
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
+#define MM_PER_ARC_SEGMENT 1
+#define N_ARC_CORRECTION 25
+
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
+//#define BEZIER_CURVE_SUPPORT
+
+// G38.2 and G38.3 Probe Target
+//#define G38_PROBE_TARGET
+#if ENABLED(G38_PROBE_TARGET)
+  #define G38_MINIMUM_MOVE 0.0275 // minimum distance in mm that will produce a move (determined using the print statement in check_move)
+#endif
+
+// Moves (or segments) with fewer steps than this will be joined with the next move
+#define MIN_STEPS_PER_SEGMENT 6
+
+// The minimum pulse width (in µs) for stepping a stepper.
+// Set this if you find stepping unreliable, or if using a very fast CPU.
+#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+
+// @section temperature
+
+// Control heater 0 and heater 1 in parallel.
+//#define HEATERS_PARALLEL
+
+//===========================================================================
+//================================= Buffers =================================
+//===========================================================================
+
+// @section hidden
+
+// The number of linear motions that can be in the plan at any give time.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+#if ENABLED(SDSUPPORT)
+  #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
+#else
+  #define BLOCK_BUFFER_SIZE 16 // maximize block buffer
+#endif
+
+// @section serial
+
+// The ASCII buffer for serial input
+#define MAX_CMD_SIZE 96
+#define BUFSIZE 4
+
+// Transfer Buffer Size
+// To save 386 bytes of PROGMEM (and TX_BUFFER_SIZE+3 bytes of RAM) set to 0.
+// To buffer a simple "ok" you need 4 bytes.
+// For ADVANCED_OK (M105) you need 32 bytes.
+// For debug-echo: 128 bytes for the optimal speed.
+// Other output doesn't need to be that speedy.
+// :[0, 2, 4, 8, 16, 32, 64, 128, 256]
+#define TX_BUFFER_SIZE 0
+
+// Enable an emergency-command parser to intercept certain commands as they
+// enter the serial receive buffer, so they cannot be blocked.
+// Currently handles M108, M112, M410
+// Does not work on boards using AT90USB (USBCON) processors!
+//#define EMERGENCY_PARSER
+
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients abort after 30 seconds in a timeout.
+// Some other clients start sending commands while receiving a 'wait'.
+// This "wait" is only sent when the buffer is empty. 1 second is a good value here.
+//#define NO_TIMEOUTS 1000 // Milliseconds
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+//#define ADVANCED_OK
+
+// @section fwretract
+
+// Firmware based and LCD controlled retract
+// M207 and M208 can be used to define parameters for the retraction.
+// The retraction can be called by the slicer using G10 and G11
+// until then, intended retractions can be detected by moves that only extrude and the direction.
+// the moves are than replaced by the firmware controlled ones.
+
+//#define FWRETRACT  //ONLY PARTIALLY TESTED
+#if ENABLED(FWRETRACT)
+  #define MIN_RETRACT 0.1                //minimum extruded mm to accept a automatic gcode retraction attempt
+  #define RETRACT_LENGTH 3               //default retract length (positive mm)
+  #define RETRACT_LENGTH_SWAP 13         //default swap retract length (positive mm), for extruder change
+  #define RETRACT_FEEDRATE 45            //default feedrate for retracting (mm/s)
+  #define RETRACT_ZLIFT 0                //default retract Z-lift
+  #define RETRACT_RECOVER_LENGTH 0       //default additional recover length (mm, added to retract length when recovering)
+  #define RETRACT_RECOVER_LENGTH_SWAP 0  //default additional swap recover length (mm, added to retract length when recovering from extruder change)
+  #define RETRACT_RECOVER_FEEDRATE 8     //default feedrate for recovering from retraction (mm/s)
+#endif
+
+/**
+ * Filament Change
+ * Experimental filament change support.
+ * Adds the GCode M600 for initiating filament change.
+ *
+ * Requires an LCD display.
+ * This feature is required for the default FILAMENT_RUNOUT_SCRIPT.
+ */
+//#define FILAMENT_CHANGE_FEATURE
+#if ENABLED(Roxy_work)
+  #define FILAMENT_CHANGE_FEATURE
+#endif
+#if ENABLED(FILAMENT_CHANGE_FEATURE)
+  #define FILAMENT_CHANGE_X_POS 3             // X position of hotend
+  #define FILAMENT_CHANGE_Y_POS 3             // Y position of hotend
+  #define FILAMENT_CHANGE_Z_ADD 10            // Z addition of hotend (lift)
+  #define FILAMENT_CHANGE_XY_FEEDRATE 100     // X and Y axes feedrate in mm/s (also used for delta printers Z axis)
+  #define FILAMENT_CHANGE_Z_FEEDRATE 5        // Z axis feedrate in mm/s (not used for delta printers)
+  #define FILAMENT_CHANGE_RETRACT_FEEDRATE 60 // Initial retract feedrate in mm/s
+  #define FILAMENT_CHANGE_RETRACT_LENGTH 2    // Initial retract in mm
+                                              // It is a short retract used immediately after print interrupt before move to filament exchange position
+  #define FILAMENT_CHANGE_UNLOAD_FEEDRATE 10  // Unload filament feedrate in mm/s - filament unloading can be fast
+  #define FILAMENT_CHANGE_UNLOAD_LENGTH 100   // Unload filament length from hotend in mm
+                                              // Longer length for bowden printers to unload filament from whole bowden tube,
+                                              // shorter length for printers without bowden to unload filament from extruder only,
+                                              // 0 to disable unloading for manual unloading
+  #define FILAMENT_CHANGE_LOAD_FEEDRATE 6     // Load filament feedrate in mm/s - filament loading into the bowden tube can be fast
+  #define FILAMENT_CHANGE_LOAD_LENGTH 0       // Load filament length over hotend in mm
+                                              // Longer length for bowden printers to fast load filament into whole bowden tube over the hotend,
+                                              // Short or zero length for printers without bowden where loading is not used
+  #define FILAMENT_CHANGE_EXTRUDE_FEEDRATE 3  // Extrude filament feedrate in mm/s - must be slower than load feedrate
+  #define FILAMENT_CHANGE_EXTRUDE_LENGTH 50   // Extrude filament length in mm after filament is loaded over the hotend,
+                                              // 0 to disable for manual extrusion
+                                              // Filament can be extruded repeatedly from the filament exchange menu to fill the hotend,
+                                              // or until outcoming filament color is not clear for filament color change
+  #define FILAMENT_CHANGE_NOZZLE_TIMEOUT 45L  // Turn off nozzle if user doesn't change filament within this time limit in seconds
+  #define FILAMENT_CHANGE_NUMBER_OF_ALERT_BEEPS  5L  // Number of alert beeps before printer goes quiet
+  #define FILAMENT_CHANGE_NO_STEPPER_TIMEOUT         // Enable to have stepper motors hold position during filament change
+                                                     // even if it takes longer than DEFAULT_STEPPER_DEACTIVE_TIME.
+#endif
+
+// @section tmc
+
+/**
+ * Enable this section if you have TMC26X motor drivers.
+ * You will need to import the TMC26XStepper library into the Arduino IDE for this
+ * (https://github.com/trinamic/TMC26XStepper.git)
+ */
+//#define HAVE_TMCDRIVER
+
+#if ENABLED(HAVE_TMCDRIVER)
+
+  //#define X_IS_TMC
+  //#define X2_IS_TMC
+  //#define Y_IS_TMC
+  //#define Y2_IS_TMC
+  //#define Z_IS_TMC
+  //#define Z2_IS_TMC
+  //#define E0_IS_TMC
+  //#define E1_IS_TMC
+  //#define E2_IS_TMC
+  //#define E3_IS_TMC
+
+  #define X_MAX_CURRENT     1000 // in mA
+  #define X_SENSE_RESISTOR    91 // in mOhms
+  #define X_MICROSTEPS        16 // number of microsteps
+
+  #define X2_MAX_CURRENT    1000
+  #define X2_SENSE_RESISTOR   91
+  #define X2_MICROSTEPS       16
+
+  #define Y_MAX_CURRENT     1000
+  #define Y_SENSE_RESISTOR    91
+  #define Y_MICROSTEPS        16
+
+  #define Y2_MAX_CURRENT    1000
+  #define Y2_SENSE_RESISTOR   91
+  #define Y2_MICROSTEPS       16
+
+  #define Z_MAX_CURRENT     1000
+  #define Z_SENSE_RESISTOR    91
+  #define Z_MICROSTEPS        16
+
+  #define Z2_MAX_CURRENT    1000
+  #define Z2_SENSE_RESISTOR   91
+  #define Z2_MICROSTEPS       16
+
+  #define E0_MAX_CURRENT    1000
+  #define E0_SENSE_RESISTOR   91
+  #define E0_MICROSTEPS       16
+
+  #define E1_MAX_CURRENT    1000
+  #define E1_SENSE_RESISTOR   91
+  #define E1_MICROSTEPS       16
+
+  #define E2_MAX_CURRENT    1000
+  #define E2_SENSE_RESISTOR   91
+  #define E2_MICROSTEPS       16
+
+  #define E3_MAX_CURRENT    1000
+  #define E3_SENSE_RESISTOR   91
+  #define E3_MICROSTEPS       16
+
+#endif
+
+// @section TMC2130
+
+/**
+ * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
+ *
+ * You'll also need the TMC2130Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2130Stepper).
+ *
+ * To use TMC2130 stepper drivers in SPI mode connect your SPI2130 pins to
+ * the hardware SPI interface on your board and define the required CS pins
+ * in your `pins_MYBOARD.h` file. (e.g., RAMPS 1.4 uses AUX3 pins `X_CS_PIN 53`, `Y_CS_PIN 49`, etc.).
+ */
+//#define HAVE_TMC2130
+
+#if ENABLED(HAVE_TMC2130)
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+  #define CURRENT_STEP          50  // [mA]
+  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+
+  // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
+  //#define X_IS_TMC2130
+  //#define X2_IS_TMC2130
+  //#define Y_IS_TMC2130
+  //#define Y2_IS_TMC2130
+  //#define Z_IS_TMC2130
+  //#define Z2_IS_TMC2130
+  //#define E0_IS_TMC2130
+  //#define E1_IS_TMC2130
+  //#define E2_IS_TMC2130
+  //#define E3_IS_TMC2130
+
+  /**
+   * Stepper driver settings
+   */
+
+  #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
+  #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
+  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+
+  #define X_MAX_CURRENT     1000  // rms current in mA
+  #define X_MICROSTEPS        16  // FULLSTEP..256
+  #define X_CHIP_SELECT       40  // Pin
+
+  #define Y_MAX_CURRENT     1000
+  #define Y_MICROSTEPS        16
+  #define Y_CHIP_SELECT       42
+
+  #define Z_MAX_CURRENT     1000
+  #define Z_MICROSTEPS        16
+  #define Z_CHIP_SELECT       65
+
+  //#define X2_MAX_CURRENT  1000
+  //#define X2_MICROSTEPS     16
+  //#define X2_CHIP_SELECT    -1
+
+  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_MICROSTEPS     16
+  //#define Y2_CHIP_SELECT    -1
+
+  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_MICROSTEPS     16
+  //#define Z2_CHIP_SELECT    -1
+
+  //#define E0_MAX_CURRENT  1000
+  //#define E0_MICROSTEPS     16
+  //#define E0_CHIP_SELECT    -1
+
+  //#define E1_MAX_CURRENT  1000
+  //#define E1_MICROSTEPS     16
+  //#define E1_CHIP_SELECT    -1
+
+  //#define E2_MAX_CURRENT  1000
+  //#define E2_MICROSTEPS     16
+  //#define E2_CHIP_SELECT    -1
+
+  //#define E3_MAX_CURRENT  1000
+  //#define E3_MICROSTEPS     16
+  //#define E3_CHIP_SELECT    -1
+
+  /**
+   * You can set your own advanced settings by filling in predefined functions.
+   * A list of available functions can be found on the library github page
+   * https://github.com/teemuatlut/TMC2130Stepper
+   *
+   * Example:
+   * #define TMC2130_ADV() { \
+   *   stepperX.diag0_temp_prewarn(1); \
+   *   stepperX.interpolate(0); \
+   * }
+   */
+  #define  TMC2130_ADV() {  }
+
+#endif // ENABLED(HAVE_TMC2130)
+
+/**
+ * Enable this section if you have L6470 motor drivers.
+ * You need to import the L6470 library into the Arduino IDE for this.
+ * (https://github.com/ameyer/Arduino-L6470)
+ */
+
+// @section l6470
+
+//#define HAVE_L6470DRIVER
+#if ENABLED(HAVE_L6470DRIVER)
+
+  //#define X_IS_L6470
+  //#define X2_IS_L6470
+  //#define Y_IS_L6470
+  //#define Y2_IS_L6470
+  //#define Z_IS_L6470
+  //#define Z2_IS_L6470
+  //#define E0_IS_L6470
+  //#define E1_IS_L6470
+  //#define E2_IS_L6470
+  //#define E3_IS_L6470
+
+  #define X_MICROSTEPS      16 // number of microsteps
+  #define X_K_VAL           50 // 0 - 255, Higher values, are higher power. Be careful not to go too high
+  #define X_OVERCURRENT   2000 // maxc current in mA. If the current goes over this value, the driver will switch off
+  #define X_STALLCURRENT  1500 // current in mA where the driver will detect a stall
+
+  #define X2_MICROSTEPS     16
+  #define X2_K_VAL          50
+  #define X2_OVERCURRENT  2000
+  #define X2_STALLCURRENT 1500
+
+  #define Y_MICROSTEPS      16
+  #define Y_K_VAL           50
+  #define Y_OVERCURRENT   2000
+  #define Y_STALLCURRENT  1500
+
+  #define Y2_MICROSTEPS     16
+  #define Y2_K_VAL          50
+  #define Y2_OVERCURRENT  2000
+  #define Y2_STALLCURRENT 1500
+
+  #define Z_MICROSTEPS      16
+  #define Z_K_VAL           50
+  #define Z_OVERCURRENT   2000
+  #define Z_STALLCURRENT  1500
+
+  #define Z2_MICROSTEPS     16
+  #define Z2_K_VAL          50
+  #define Z2_OVERCURRENT  2000
+  #define Z2_STALLCURRENT 1500
+
+  #define E0_MICROSTEPS     16
+  #define E0_K_VAL          50
+  #define E0_OVERCURRENT  2000
+  #define E0_STALLCURRENT 1500
+
+  #define E1_MICROSTEPS     16
+  #define E1_K_VAL          50
+  #define E1_OVERCURRENT  2000
+  #define E1_STALLCURRENT 1500
+
+  #define E2_MICROSTEPS     16
+  #define E2_K_VAL          50
+  #define E2_OVERCURRENT  2000
+  #define E2_STALLCURRENT 1500
+
+  #define E3_MICROSTEPS     16
+  #define E3_K_VAL          50
+  #define E3_OVERCURRENT  2000
+  #define E3_STALLCURRENT 1500
+
+#endif
+
+/**
+ * TWI/I2C BUS
+ *
+ * This feature is an EXPERIMENTAL feature so it shall not be used on production
+ * machines. Enabling this will allow you to send and receive I2C data from slave
+ * devices on the bus.
+ *
+ * ; Example #1
+ * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
+ *
+ * ; Example #2
+ * ; Request 6 bytes from slave device with address 0x63 (99)
+ * M261 A99 B5
+ *
+ * ; Example #3
+ * ; Example serial output of a M261 request
+ * echo:i2c-reply: from:99 bytes:5 data:hello
+ */
+
+// @section i2cbus
+
+//#define EXPERIMENTAL_I2CBUS
+#define I2C_SLAVE_ADDRESS  0 // Set a value from 8 to 127 to act as a slave
+
+/**
+ * Add M43, M44 and M45 commands for pins info and testing
+ */
+#define PINS_DEBUGGING
+
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
+/**
+ * Double-click the Encoder button on the Status Screen for Z Babystepping.
+ */
+#define DOUBLECLICK_FOR_Z_BABYSTEPPING
+#define DOUBLECLICK_MAX_INTERVAL 1250   // Maximum interval between clicks, in milliseconds.
+                                        // Note: You may need to add extra time to mitigate controller latency.
+
+/**
+ * Volumetric extrusion default state
+ * Activate to make volumetric extrusion the default method,
+ * with DEFAULT_NOMINAL_FILAMENT_DIA as the default diameter.
+ *
+ * M200 D0 to disable, M200 Dn to set a new diameter.
+ */
+//#define VOLUMETRIC_DEFAULT_ON
+
+/**
+ * Enable this option for a leaner build of Marlin that removes all
+ * workspace offsets, simplifying coordinate transformations, leveling, etc.
+ *
+ *  - M206 and M428 are disabled.
+ *  - G92 will revert to its behavior from Marlin 1.0.
+ */
+//#define NO_WORKSPACE_OFFSETS
+
+#endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/Roxys_printers/gMax_1.5+/Configuration.h b/Marlin/example_configurations/Roxys_printers/gMax_1.5+/Configuration.h
new file mode 100644
index 0000000000000000000000000000000000000000..3d59a763cbfc21af683e54954796d5263106cf53
--- /dev/null
+++ b/Marlin/example_configurations/Roxys_printers/gMax_1.5+/Configuration.h
@@ -0,0 +1,1500 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Configuration.h
+ *
+ * Basic settings such as:
+ *
+ * - Type of electronics
+ * - Type of temperature sensor
+ * - Printer geometry
+ * - Endstop configuration
+ * - LCD controller
+ * - Extra features
+ *
+ * Advanced settings can be found in Configuration_adv.h
+ *
+ */
+#ifndef CONFIGURATION_H
+#define CONFIGURATION_H
+
+/**
+ *
+ *  ***********************************
+ *  **  ATTENTION TO ALL DEVELOPERS  **
+ *  ***********************************
+ *
+ * You must increment this version number for every significant change such as,
+ * but not limited to: ADD, DELETE RENAME OR REPURPOSE any directive/option.
+ *
+ * Note: Update also Version.h !
+ */
+#define CONFIGURATION_H_VERSION 010100
+
+//===========================================================================
+//============================= Getting Started =============================
+//===========================================================================
+
+/**
+ * Here are some standard links for getting your machine calibrated:
+ *
+ * http://reprap.org/wiki/Calibration
+ * http://youtu.be/wAL9d7FgInk
+ * http://calculator.josefprusa.cz
+ * http://reprap.org/wiki/Triffid_Hunter%27s_Calibration_Guide
+ * http://www.thingiverse.com/thing:5573
+ * https://sites.google.com/site/repraplogphase/calibration-of-your-reprap
+ * http://www.thingiverse.com/thing:298812
+ */
+
+//===========================================================================
+//============================= DELTA Printer ===============================
+//===========================================================================
+// For a Delta printer replace the configuration files with the files in the
+// example_configurations/delta directory.
+//
+
+//===========================================================================
+//============================= SCARA Printer ===============================
+//===========================================================================
+// For a Scara printer replace the configuration files with the files in the
+// example_configurations/SCARA directory.
+//
+
+// @section info
+
+// User-specified version info of this build to display in [Pronterface, etc] terminal window during
+// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
+// build by the user have been successfully uploaded into firmware.
+#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
+#define SHOW_BOOTSCREEN
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE2 WEBSITE_URL         // will be shown during bootup in line 2
+
+//
+// *** VENDORS PLEASE READ *****************************************************
+//
+// Marlin now allow you to have a vendor boot image to be displayed on machine
+// start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
+// custom boot image and then the default Marlin boot image is shown.
+//
+// We suggest for you to take advantage of this new feature and keep the Marlin
+// boot image unmodified. For an example have a look at the bq Hephestos 2
+// example configuration folder.
+//
+//#define SHOW_CUSTOM_BOOTSCREEN
+// @section machine
+
+/**
+ * Select which serial port on the board will be used for communication with the host.
+ * This allows the connection of wireless adapters (for instance) to non-default port pins.
+ * Serial port 0 is always used by the Arduino bootloader regardless of this setting.
+ *
+ * :[0, 1, 2, 3, 4, 5, 6, 7]
+ */
+#define SERIAL_PORT 0
+
+/**
+ * This setting determines the communication speed of the printer.
+ *
+ * 250000 works in most cases, but you might try a lower speed if
+ * you commonly experience drop-outs during host printing.
+ *
+ * :[2400, 9600, 19200, 38400, 57600, 115200, 250000]
+ */
+#define BAUDRATE 250000
+
+// Enable the Bluetooth serial interface on AT90USB devices
+//#define BLUETOOTH
+
+// The following define selects which electronics board you have.
+// Please choose the name from boards.h that matches your setup
+#ifndef MOTHERBOARD
+  #define MOTHERBOARD BOARD_RAMPS_14_EFB
+#endif
+
+// Optional custom name for your RepStrap or other custom machine
+// Displayed in the LCD "Ready" message
+//#define CUSTOM_MACHINE_NAME "3D Printer"
+
+// Define this to set a unique identifier for this printer, (Used by some programs to differentiate between machines)
+// You can use an online service to generate a random UUID. (eg http://www.uuidgenerator.net/version4)
+//#define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
+
+// This defines the number of extruders
+// :[1, 2, 3, 4]
+#define EXTRUDERS 1
+
+// Enable if your E steppers or extruder gear ratios are not identical
+//#define DISTINCT_E_FACTORS
+
+// For Cyclops or any "multi-extruder" that shares a single nozzle.
+//#define SINGLENOZZLE
+
+// A dual extruder that uses a single stepper motor
+// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
+//#define SWITCHING_EXTRUDER
+#if ENABLED(SWITCHING_EXTRUDER)
+  #define SWITCHING_EXTRUDER_SERVO_NR 0
+  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+/**
+ * "Mixing Extruder"
+ *   - Adds a new code, M165, to set the current mix factors.
+ *   - Extends the stepping routines to move multiple steppers in proportion to the mix.
+ *   - Optional support for Repetier Host M163, M164, and virtual extruder.
+ *   - This implementation supports only a single extruder.
+ *   - Enable DIRECT_MIXING_IN_G1 for Pia Taubert's reference implementation
+ */
+//#define MIXING_EXTRUDER
+#if ENABLED(MIXING_EXTRUDER)
+  #define MIXING_STEPPERS 2        // Number of steppers in your mixing extruder
+  #define MIXING_VIRTUAL_TOOLS 16  // Use the Virtual Tool method with M163 and M164
+  //#define DIRECT_MIXING_IN_G1    // Allow ABCDHI mix factors in G1 movement commands
+#endif
+
+// Offset of the extruders (uncomment if using more than one and relying on firmware to position when changing).
+// The offset has to be X=0, Y=0 for the extruder 0 hotend (default extruder).
+// For the other hotends it is their distance from the extruder 0 hotend.
+//#define HOTEND_OFFSET_X {0.0, 20.00} // (in mm) for each extruder, offset of the hotend on the X axis
+//#define HOTEND_OFFSET_Y {0.0, 5.00}  // (in mm) for each extruder, offset of the hotend on the Y axis
+
+/**
+ * Select your power supply here. Use 0 if you haven't connected the PS_ON_PIN
+ *
+ * 0 = No Power Switch
+ * 1 = ATX
+ * 2 = X-Box 360 203Watts (the blue wire connected to PS_ON and the red wire to VCC)
+ *
+ * :{ 0:'No power switch', 1:'ATX', 2:'X-Box 360' }
+ */
+#define POWER_SUPPLY 0
+
+#if POWER_SUPPLY > 0
+  // Enable this option to leave the PSU off at startup.
+  // Power to steppers and heaters will need to be turned on with M80.
+  //#define PS_DEFAULT_OFF
+#endif
+
+// @section temperature
+
+//===========================================================================
+//============================= Thermal Settings ============================
+//===========================================================================
+
+/**
+ * --NORMAL IS 4.7kohm PULLUP!-- 1kohm pullup can be used on hotend sensor, using correct resistor and table
+ *
+ * Temperature sensors available:
+ *
+ *    -3 : thermocouple with MAX31855 (only for sensor 0)
+ *    -2 : thermocouple with MAX6675 (only for sensor 0)
+ *    -1 : thermocouple with AD595
+ *     0 : not used
+ *     1 : 100k thermistor - best choice for EPCOS 100k (4.7k pullup)
+ *     2 : 200k thermistor - ATC Semitec 204GT-2 (4.7k pullup)
+ *     3 : Mendel-parts thermistor (4.7k pullup)
+ *     4 : 10k thermistor !! do not use it for a hotend. It gives bad resolution at high temp. !!
+ *     5 : 100K thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (4.7k pullup)
+ *     6 : 100k EPCOS - Not as accurate as table 1 (created using a fluke thermocouple) (4.7k pullup)
+ *     7 : 100k Honeywell thermistor 135-104LAG-J01 (4.7k pullup)
+ *    71 : 100k Honeywell thermistor 135-104LAF-J01 (4.7k pullup)
+ *     8 : 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup)
+ *     9 : 100k GE Sensing AL03006-58.2K-97-G1 (4.7k pullup)
+ *    10 : 100k RS thermistor 198-961 (4.7k pullup)
+ *    11 : 100k beta 3950 1% thermistor (4.7k pullup)
+ *    12 : 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup) (calibrated for Makibox hot bed)
+ *    13 : 100k Hisens 3950  1% up to 300°C for hotend "Simple ONE " & "Hotend "All In ONE"
+ *    20 : the PT100 circuit found in the Ultimainboard V2.x
+ *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
+ *    66 : 4.7M High Temperature thermistor from Dyze Design
+ *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad with NTC 100K MGB18-104F39050L32 thermistor
+ *
+ *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
+ *                              (but gives greater accuracy and more stable PID)
+ *    51 : 100k thermistor - EPCOS (1k pullup)
+ *    52 : 200k thermistor - ATC Semitec 204GT-2 (1k pullup)
+ *    55 : 100k thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (1k pullup)
+ *
+ *  1047 : Pt1000 with 4k7 pullup
+ *  1010 : Pt1000 with 1k pullup (non standard)
+ *   147 : Pt100 with 4k7 pullup
+ *   110 : Pt100 with 1k pullup (non standard)
+ *
+ *         Use these for Testing or Development purposes. NEVER for production machine.
+ *   998 : Dummy Table that ALWAYS reads 25°C or the temperature defined below.
+ *   999 : Dummy Table that ALWAYS reads 100°C or the temperature defined below.
+ *
+ * :{ '0': "Not used", '1':"100k / 4.7k - EPCOS", '2':"200k / 4.7k - ATC Semitec 204GT-2", '3':"Mendel-parts / 4.7k", '4':"10k !! do not use for a hotend. Bad resolution at high temp. !!", '5':"100K / 4.7k - ATC Semitec 104GT-2 (Used in ParCan & J-Head)", '6':"100k / 4.7k EPCOS - Not as accurate as Table 1", '7':"100k / 4.7k Honeywell 135-104LAG-J01", '8':"100k / 4.7k 0603 SMD Vishay NTCS0603E3104FXT", '9':"100k / 4.7k GE Sensing AL03006-58.2K-97-G1", '10':"100k / 4.7k RS 198-961", '11':"100k / 4.7k beta 3950 1%", '12':"100k / 4.7k 0603 SMD Vishay NTCS0603E3104FXT (calibrated for Makibox hot bed)", '13':"100k Hisens 3950  1% up to 300°C for hotend 'Simple ONE ' & hotend 'All In ONE'", '20':"PT100 (Ultimainboard V2.x)", '51':"100k / 1k - EPCOS", '52':"200k / 1k - ATC Semitec 204GT-2", '55':"100k / 1k - ATC Semitec 104GT-2 (Used in ParCan & J-Head)", '60':"100k Maker's Tool Works Kapton Bed Thermistor beta=3950", '66':"Dyze Design 4.7M High Temperature thermistor", '70':"the 100K thermistor found in the bq Hephestos 2", '71':"100k / 4.7k Honeywell 135-104LAF-J01", '147':"Pt100 / 4.7k", '1047':"Pt1000 / 4.7k", '110':"Pt100 / 1k (non-standard)", '1010':"Pt1000 / 1k (non standard)", '-3':"Thermocouple + MAX31855 (only for sensor 0)", '-2':"Thermocouple + MAX6675 (only for sensor 0)", '-1':"Thermocouple + AD595",'998':"Dummy 1", '999':"Dummy 2" }
+ */
+#define TEMP_SENSOR_0 1
+#define TEMP_SENSOR_1 0
+#define TEMP_SENSOR_2 0
+#define TEMP_SENSOR_3 0
+#define TEMP_SENSOR_BED 0
+
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
+//#define TEMP_SENSOR_1_AS_REDUNDANT
+#define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
+
+// Extruder temperature must be close to target for this long before M109 returns success
+#define TEMP_RESIDENCY_TIME 10  // (seconds)
+#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
+#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+
+// Bed temperature must be close to target for this long before M190 returns success
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
+#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
+#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+
+// The minimal temperature defines the temperature below which the heater will not be enabled It is used
+// to check that the wiring to the thermistor is not broken.
+// Otherwise this would lead to the heater being powered on all the time.
+#define HEATER_0_MINTEMP 5
+#define HEATER_1_MINTEMP 5
+#define HEATER_2_MINTEMP 5
+#define HEATER_3_MINTEMP 5
+#define BED_MINTEMP 5
+
+// When temperature exceeds max temp, your heater will be switched off.
+// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
+// You should use MINTEMP for thermistor short/failure protection.
+#define HEATER_0_MAXTEMP 275
+#define HEATER_1_MAXTEMP 275
+#define HEATER_2_MAXTEMP 275
+#define HEATER_3_MAXTEMP 275
+#define BED_MAXTEMP 150
+
+//===========================================================================
+//============================= PID Settings ================================
+//===========================================================================
+// PID Tuning Guide here: http://reprap.org/wiki/PID_Tuning
+
+// Comment the following line to disable PID and enable bang-bang.
+#define PIDTEMP
+#define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
+#if ENABLED(PIDTEMP)
+  //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
+  //#define PID_DEBUG // Sends debug data to the serial port.
+  //#define PID_OPENLOOP 1 // Puts PID in open loop. M104/M140 sets the output power from 0 to PID_MAX
+  //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
+  //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
+                                  // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
+  #define K1 0.95 //smoothing factor within the PID
+
+  // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
+  // Ultimaker
+  #define  DEFAULT_Kp 22.2
+  #define  DEFAULT_Ki 1.08
+  #define  DEFAULT_Kd 114
+
+  // MakerGear
+  //#define  DEFAULT_Kp 7.0
+  //#define  DEFAULT_Ki 0.1
+  //#define  DEFAULT_Kd 12
+
+  // Mendel Parts V9 on 12V
+  //#define  DEFAULT_Kp 63.0
+  //#define  DEFAULT_Ki 2.25
+  //#define  DEFAULT_Kd 440
+
+#endif // PIDTEMP
+
+//===========================================================================
+//============================= PID > Bed Temperature Control ===============
+//===========================================================================
+// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
+//
+// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
+// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
+// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
+// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
+// If your configuration is significantly different than this and you don't understand the issues involved, you probably
+// shouldn't use bed PID until someone else verifies your hardware works.
+// If this is enabled, find your own PID constants below.
+//#define PIDTEMPBED
+
+//#define BED_LIMIT_SWITCHING
+
+// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
+// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
+// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
+// so you shouldn't use it unless you are OK with PWM on your bed.  (see the comment on enabling PIDTEMPBED)
+#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
+
+#if ENABLED(PIDTEMPBED)
+
+  //#define PID_BED_DEBUG // Sends debug data to the serial port.
+
+  //120V 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  //from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
+  #define  DEFAULT_bedKp 10.00
+  #define  DEFAULT_bedKi .023
+  #define  DEFAULT_bedKd 305.4
+
+  //120V 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  //from pidautotune
+  //#define  DEFAULT_bedKp 97.1
+  //#define  DEFAULT_bedKi 1.41
+  //#define  DEFAULT_bedKd 1675.16
+
+  // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
+#endif // PIDTEMPBED
+
+// @section extruder
+
+// This option prevents extrusion if the temperature is below EXTRUDE_MINTEMP.
+// It also enables the M302 command to set the minimum extrusion temperature
+// or to allow moving the extruder regardless of the hotend temperature.
+// *** IT IS HIGHLY RECOMMENDED TO LEAVE THIS OPTION ENABLED! ***
+#define PREVENT_COLD_EXTRUSION
+#define EXTRUDE_MINTEMP 170
+
+// This option prevents a single extrusion longer than EXTRUDE_MAXLENGTH.
+// Note that for Bowden Extruders a too-small value here may prevent loading.
+#define PREVENT_LENGTHY_EXTRUDE
+#define EXTRUDE_MAXLENGTH 200
+
+//===========================================================================
+//======================== Thermal Runaway Protection =======================
+//===========================================================================
+
+/**
+ * Thermal Protection protects your printer from damage and fire if a
+ * thermistor falls out or temperature sensors fail in any way.
+ *
+ * The issue: If a thermistor falls out or a temperature sensor fails,
+ * Marlin can no longer sense the actual temperature. Since a disconnected
+ * thermistor reads as a low temperature, the firmware will keep the heater on.
+ *
+ * If you get "Thermal Runaway" or "Heating failed" errors the
+ * details can be tuned in Configuration_adv.h
+ */
+
+#define THERMAL_PROTECTION_HOTENDS // Enable thermal protection for all extruders
+#define THERMAL_PROTECTION_BED     // Enable thermal protection for the heated bed
+
+//===========================================================================
+//============================= Mechanical Settings =========================
+//===========================================================================
+
+// @section machine
+
+// Uncomment one of these options to enable CoreXY, CoreXZ, or CoreYZ kinematics
+// either in the usual order or reversed
+//#define COREXY
+//#define COREXZ
+//#define COREYZ
+//#define COREYX
+//#define COREZX
+//#define COREZY
+
+// Enable this option for Toshiba steppers
+//#define CONFIG_STEPPERS_TOSHIBA
+
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
+// @section homing
+
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
+// coarse Endstop Settings
+#define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
+
+#if DISABLED(ENDSTOPPULLUPS)
+  // fine endstop settings: Individual pullups. will be ignored if ENDSTOPPULLUPS is defined
+  //#define ENDSTOPPULLUP_XMAX
+  //#define ENDSTOPPULLUP_YMAX
+  //#define ENDSTOPPULLUP_ZMAX
+  //#define ENDSTOPPULLUP_XMIN
+  //#define ENDSTOPPULLUP_YMIN
+  //#define ENDSTOPPULLUP_ZMIN
+  //#define ENDSTOPPULLUP_ZMIN_PROBE
+#endif
+
+// Mechanical endstop with COM to ground and NC to Signal uses "false" here (most common setup).
+#define X_MIN_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Y_MIN_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Z_MIN_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define X_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Y_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Z_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Z_MIN_PROBE_ENDSTOP_INVERTING false // set to true to invert the logic of the probe.
+
+// Enable this feature if all enabled endstop pins are interrupt-capable.
+// This will remove the need to poll the interrupt pins, saving many CPU cycles.
+//#define ENDSTOP_INTERRUPTS_FEATURE
+
+//=============================================================================
+//============================== Movement Settings ============================
+//=============================================================================
+// @section motion
+
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * You can set distinct factors for each E stepper, if needed.
+ * If fewer factors are given, the last will apply to the rest.
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ *                                      X, Y, Z, E0 [, E1[, E2[, E3]]]
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 4000, 500 }
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ *                                      X, Y, Z, E0 [, E1[, E2[, E3]]]
+ */
+#define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * (Maximum start speed for accelerated moves)
+ * Override with M201
+ *                                      X, Y, Z, E0 [, E1[, E2[, E3]]]
+ */
+#define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ *   M204 P    Acceleration
+ *   M204 R    Retract Acceleration
+ *   M204 T    Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION          3000    // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION  3000    // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION   3000    // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Default Jerk (mm/s)
+ * Override with M205 X Y Z E
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XJERK                 20.0
+#define DEFAULT_YJERK                 20.0
+#define DEFAULT_ZJERK                  0.4
+#define DEFAULT_EJERK                  5.0
+
+
+//===========================================================================
+//============================= Z Probe Options =============================
+//===========================================================================
+// @section probes
+
+//
+// Probe Type
+// Probes are sensors/switches that are activated / deactivated before/after use.
+//
+// Allen Key Probes, Servo Probes, Z-Sled Probes, FIX_MOUNTED_PROBE, etc.
+// You must activate one of these to use Auto Bed Leveling below.
+//
+// Use M851 to set the Z probe vertical offset from the nozzle. Store with M500.
+//
+
+// A Fix-Mounted Probe either doesn't deploy or needs manual deployment.
+// For example an inductive probe, or a setup that uses the nozzle to probe.
+// An inductive probe must be deactivated to go below
+// its trigger-point if hardware endstops are active.
+//#define FIX_MOUNTED_PROBE
+
+// The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
+//#define BLTOUCH
+
+// Z Servo Probe, such as an endstop switch on a rotating arm.
+//#define Z_ENDSTOP_SERVO_NR 0
+//#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles
+
+// Enable if you have a Z probe mounted on a sled like those designed by Charles Bell.
+//#define Z_PROBE_SLED
+//#define SLED_DOCKING_OFFSET 5 // The extra distance the X axis must travel to pickup the sled. 0 should be fine but you can push it further if you'd like.
+
+// Z Probe to nozzle (X,Y) offset, relative to (0, 0).
+// X and Y offsets must be integers.
+//
+// In the following example the X and Y offsets are both positive:
+// #define X_PROBE_OFFSET_FROM_EXTRUDER 10
+// #define Y_PROBE_OFFSET_FROM_EXTRUDER 10
+//
+//    +-- BACK ---+
+//    |           |
+//  L |    (+) P  | R <-- probe (20,20)
+//  E |           | I
+//  F | (-) N (+) | G <-- nozzle (10,10)
+//  T |           | H
+//    |    (-)    | T
+//    |           |
+//    O-- FRONT --+
+//  (0,0)
+#define X_PROBE_OFFSET_FROM_EXTRUDER 10  // X offset: -left  +right  [of the nozzle]
+#define Y_PROBE_OFFSET_FROM_EXTRUDER 10  // Y offset: -front +behind [the nozzle]
+#define Z_PROBE_OFFSET_FROM_EXTRUDER 0   // Z offset: -below +above  [the nozzle]
+
+// X and Y axis travel speed (mm/m) between probes
+#define XY_PROBE_SPEED 8000
+// Speed for the first approach when double-probing (with PROBE_DOUBLE_TOUCH)
+#define Z_PROBE_SPEED_FAST HOMING_FEEDRATE_Z
+// Speed for the "accurate" probe of each point
+#define Z_PROBE_SPEED_SLOW (Z_PROBE_SPEED_FAST / 2)
+// Use double touch for probing
+//#define PROBE_DOUBLE_TOUCH
+
+//
+// Allen Key Probe is defined in the Delta example configurations.
+//
+
+// *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
+//
+// To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
+// Example: To park the head outside the bed area when homing with G28.
+//
+// To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
+//
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
+//
+// - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
+// - Use 5V for powered (usu. inductive) sensors.
+// - Otherwise connect:
+//   - normally-closed switches to GND and D32.
+//   - normally-open switches to 5V and D32.
+//
+// Normally-closed switches are advised and are the default.
+//
+
+//
+// The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
+// Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
+//
+// WARNING:
+// Setting the wrong pin may have unexpected and potentially disastrous consequences.
+// Use with caution and do your homework.
+//
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
+//#define Z_MIN_PROBE_ENDSTOP
+
+// Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
+// The Z_MIN_PIN will then be used for both Z-homing and probing.
+#define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
+
+// To use a probe you must enable one of the two options above!
+
+// Enable Z Probe Repeatability test to see how accurate your probe is
+//#define Z_MIN_PROBE_REPEATABILITY_TEST
+
+/**
+ * Z probes require clearance when deploying, stowing, and moving between
+ * probe points to avoid hitting the bed and other hardware.
+ * Servo-mounted probes require extra space for the arm to rotate.
+ * Inductive probes need space to keep from triggering early.
+ *
+ * Use these settings to specify the distance (mm) to raise the probe (or
+ * lower the bed). The values set here apply over and above any (negative)
+ * probe Z Offset set with Z_PROBE_OFFSET_FROM_EXTRUDER, M851, or the LCD.
+ * Only integer values >= 1 are valid here.
+ *
+ * Example: `M851 Z-5` with a CLEARANCE of 4  =>  9mm from bed to nozzle.
+ *     But: `M851 Z+1` with a CLEARANCE of 2  =>  2mm from bed to nozzle.
+ */
+#define Z_CLEARANCE_DEPLOY_PROBE   10 // Z Clearance for Deploy/Stow
+#define Z_CLEARANCE_BETWEEN_PROBES  5 // Z Clearance between probe points
+
+//
+// For M851 give a range for adjusting the Z probe offset
+//
+#define Z_PROBE_OFFSET_RANGE_MIN -20
+#define Z_PROBE_OFFSET_RANGE_MAX 20
+
+// For Inverting Stepper Enable Pins (Active Low) use 0, Non Inverting (Active High) use 1
+// :{ 0:'Low', 1:'High' }
+#define X_ENABLE_ON 0
+#define Y_ENABLE_ON 0
+#define Z_ENABLE_ON 0
+#define E_ENABLE_ON 0 // For all extruders
+
+// Disables axis stepper immediately when it's not being used.
+// WARNING: When motors turn off there is a chance of losing position accuracy!
+#define DISABLE_X false
+#define DISABLE_Y false
+#define DISABLE_Z false
+// Warn on display about possibly reduced accuracy
+//#define DISABLE_REDUCED_ACCURACY_WARNING
+
+// @section extruder
+
+#define DISABLE_E false // For all extruders
+#define DISABLE_INACTIVE_EXTRUDER true //disable only inactive extruders and keep active extruder enabled
+
+// @section machine
+
+// Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
+#define INVERT_X_DIR false
+#define INVERT_Y_DIR true
+#define INVERT_Z_DIR false
+
+// @section extruder
+
+// For direct drive extruder v9 set to true, for geared extruder set to false.
+#define INVERT_E0_DIR false
+#define INVERT_E1_DIR false
+#define INVERT_E2_DIR false
+#define INVERT_E3_DIR false
+
+// @section homing
+
+//#define Z_HOMING_HEIGHT 4  // (in mm) Minimal z height before homing (G28) for Z clearance above the bed, clamps, ...
+                             // Be sure you have this distance over your Z_MAX_POS in case.
+
+// Direction of endstops when homing; 1=MAX, -1=MIN
+// :[-1,1]
+#define X_HOME_DIR -1
+#define Y_HOME_DIR -1
+#define Z_HOME_DIR -1
+
+// @section machine
+
+// Travel limits after homing (units are in mm)
+#define X_MIN_POS 0
+#define Y_MIN_POS 0
+#define Z_MIN_POS 0
+#define X_MAX_POS 200
+#define Y_MAX_POS 200
+#define Z_MAX_POS 200
+
+// If enabled, axes won't move below MIN_POS in response to movement commands.
+#define MIN_SOFTWARE_ENDSTOPS
+// If enabled, axes won't move above MAX_POS in response to movement commands.
+#define MAX_SOFTWARE_ENDSTOPS
+
+/**
+ * Filament Runout Sensor
+ * A mechanical or opto endstop is used to check for the presence of filament.
+ *
+ * RAMPS-based boards use SERVO3_PIN.
+ * For other boards you may need to define FIL_RUNOUT_PIN.
+ * By default the firmware assumes HIGH = has filament, LOW = ran out
+ */
+//#define FILAMENT_RUNOUT_SENSOR
+#if ENABLED(FILAMENT_RUNOUT_SENSOR)
+  #define FIL_RUNOUT_INVERTING false // set to true to invert the logic of the sensor.
+  #define ENDSTOPPULLUP_FIL_RUNOUT // Uncomment to use internal pullup for filament runout pins if the sensor is defined.
+  #define FILAMENT_RUNOUT_SCRIPT "M600"
+#endif
+
+//===========================================================================
+//=============================== Bed Leveling ==============================
+//===========================================================================
+// @section bedlevel
+
+/**
+ * Select one form of Auto Bed Leveling below.
+ *
+ *  If you're also using the Probe for Z Homing, it's
+ *  highly recommended to enable Z_SAFE_HOMING also!
+ *
+ * - 3POINT
+ *   Probe 3 arbitrary points on the bed (that aren't collinear)
+ *   You specify the XY coordinates of all 3 points.
+ *   The result is a single tilted plane. Best for a flat bed.
+ *
+ * - LINEAR
+ *   Probe several points in a grid.
+ *   You specify the rectangle and the density of sample points.
+ *   The result is a single tilted plane. Best for a flat bed.
+ *
+ * - BILINEAR
+ *   Probe several points in a grid.
+ *   You specify the rectangle and the density of sample points.
+ *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
+ */
+//#define AUTO_BED_LEVELING_3POINT
+//#define AUTO_BED_LEVELING_LINEAR
+//#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
+
+/**
+ * Enable detailed logging of G28, G29, M48, etc.
+ * Turn on with the command 'M111 S32'.
+ * NOTE: Requires a lot of PROGMEM!
+ */
+//#define DEBUG_LEVELING_FEATURE
+
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
+#if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
+
+  // Set the number of grid points per dimension.
+  #define ABL_GRID_MAX_POINTS_X 3
+  #define ABL_GRID_MAX_POINTS_Y ABL_GRID_MAX_POINTS_X
+
+  // Set the boundaries for probing (where the probe can reach).
+  #define LEFT_PROBE_BED_POSITION 15
+  #define RIGHT_PROBE_BED_POSITION 170
+  #define FRONT_PROBE_BED_POSITION 20
+  #define BACK_PROBE_BED_POSITION 170
+
+  // The Z probe minimum outer margin (to validate G29 parameters).
+  #define MIN_PROBE_EDGE 10
+
+  // Probe along the Y axis, advancing X after each column
+  //#define PROBE_Y_FIRST
+
+  #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
+
+    //
+    // Experimental Subdivision of the grid by Catmull-Rom method.
+    // Synthesizes intermediate points to produce a more detailed mesh.
+    //
+    //#define ABL_BILINEAR_SUBDIVISION
+    #if ENABLED(ABL_BILINEAR_SUBDIVISION)
+      // Number of subdivisions between probe points
+      #define BILINEAR_SUBDIVISIONS 3
+    #endif
+
+  #endif
+
+#elif ENABLED(AUTO_BED_LEVELING_3POINT)
+
+  // 3 arbitrary points to probe.
+  // A simple cross-product is used to estimate the plane of the bed.
+  #define ABL_PROBE_PT_1_X 15
+  #define ABL_PROBE_PT_1_Y 180
+  #define ABL_PROBE_PT_2_X 15
+  #define ABL_PROBE_PT_2_Y 20
+  #define ABL_PROBE_PT_3_X 170
+  #define ABL_PROBE_PT_3_Y 20
+
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
+
+/**
+ * Commands to execute at the end of G29 probing.
+ * Useful to retract or move the Z probe out of the way.
+ */
+//#define Z_PROBE_END_SCRIPT "G1 Z10 F12000\nG1 X15 Y330\nG1 Z0.5\nG1 Z10"
+
+
+// @section homing
+
+// The center of the bed is at (X=0, Y=0)
+//#define BED_CENTER_AT_0_0
+
+// Manually set the home position. Leave these undefined for automatic settings.
+// For DELTA this is the top-center of the Cartesian print volume.
+//#define MANUAL_X_HOME_POS 0
+//#define MANUAL_Y_HOME_POS 0
+//#define MANUAL_Z_HOME_POS 0
+
+// Use "Z Safe Homing" to avoid homing with a Z probe outside the bed area.
+//
+// With this feature enabled:
+//
+// - Allow Z homing only after X and Y homing AND stepper drivers still enabled.
+// - If stepper drivers time out, it will need X and Y homing again before Z homing.
+// - Move the Z probe (or nozzle) to a defined XY point before Z Homing when homing all axes (G28).
+// - Prevent Z homing when the Z probe is outside bed area.
+//#define Z_SAFE_HOMING
+
+#if ENABLED(Z_SAFE_HOMING)
+  #define Z_SAFE_HOMING_X_POINT ((X_MIN_POS + X_MAX_POS) / 2)    // X point for Z homing when homing all axis (G28).
+  #define Z_SAFE_HOMING_Y_POINT ((Y_MIN_POS + Y_MAX_POS) / 2)    // Y point for Z homing when homing all axis (G28).
+#endif
+
+// Homing speeds (mm/m)
+#define HOMING_FEEDRATE_XY (50*60)
+#define HOMING_FEEDRATE_Z  (4*60)
+
+//=============================================================================
+//============================= Additional Features ===========================
+//=============================================================================
+
+// @section extras
+
+//
+// EEPROM
+//
+// The microcontroller can store settings in the EEPROM, e.g. max velocity...
+// M500 - stores parameters in EEPROM
+// M501 - reads parameters from EEPROM (if you need reset them after you changed them temporarily).
+// M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
+//define this to enable EEPROM support
+//#define EEPROM_SETTINGS
+
+#if ENABLED(EEPROM_SETTINGS)
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // Please keep turned on if you can.
+#endif
+
+//
+// Host Keepalive
+//
+// When enabled Marlin will send a busy status message to the host
+// every couple of seconds when it can't accept commands.
+//
+#define HOST_KEEPALIVE_FEATURE        // Disable this if your host doesn't like keepalive messages
+#define DEFAULT_KEEPALIVE_INTERVAL 2  // Number of seconds between "busy" messages. Set with M113.
+
+//
+// M100 Free Memory Watcher
+//
+//#define M100_FREE_MEMORY_WATCHER // uncomment to add the M100 Free Memory Watcher for debug purpose
+
+//
+// G20/G21 Inch mode support
+//
+//#define INCH_MODE_SUPPORT
+
+//
+// M149 Set temperature units support
+//
+//#define TEMPERATURE_UNITS_SUPPORT
+
+// @section temperature
+
+// Preheat Constants
+#define PREHEAT_1_TEMP_HOTEND 180
+#define PREHEAT_1_TEMP_BED     70
+#define PREHEAT_1_FAN_SPEED     0 // Value from 0 to 255
+
+#define PREHEAT_2_TEMP_HOTEND 240
+#define PREHEAT_2_TEMP_BED    110
+#define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
+
+//
+// Nozzle Park -- EXPERIMENTAL
+//
+// When enabled allows the user to define a special XYZ position, inside the
+// machine's topology, to park the nozzle when idle or when receiving the G27
+// command.
+//
+// The "P" paramenter controls what is the action applied to the Z axis:
+//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
+//        be raised to reach Z-park height.
+//
+//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
+//        reach Z-park height.
+//
+//    P2: The nozzle height will be raised by Z-park amount but never going over
+//        the machine's limit of Z_MAX_POS.
+//
+//#define NOZZLE_PARK_FEATURE
+
+#if ENABLED(NOZZLE_PARK_FEATURE)
+  // Specify a park position as { X, Y, Z }
+  #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
+#endif
+
+//
+// Clean Nozzle Feature -- EXPERIMENTAL
+//
+// When enabled allows the user to send G12 to start the nozzle cleaning
+// process, the G-Code accepts two parameters:
+//   "P" for pattern selection
+//   "S" for defining the number of strokes/repetitions
+//
+// Available list of patterns:
+//   P0: This is the default pattern, this process requires a sponge type
+//       material at a fixed bed location. S defines "strokes" i.e.
+//       back-and-forth movements between the starting and end points.
+//
+//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
+//       defines the number of zig-zag triangles to be done. "S" defines the
+//       number of strokes aka one back-and-forth movement. Zig-zags will
+//       be performed in whichever dimension is smallest. As an example,
+//       sending "G12 P1 S1 T3" will execute:
+//
+//          --
+//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+//         |           |    /  \      /  \      /  \    |
+//       A |           |   /    \    /    \    /    \   |
+//         |           |  /      \  /      \  /      \  |
+//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+//          --         +--------------------------------+
+//                       |________|_________|_________|
+//                           T1        T2        T3
+//
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
+// Caveats: End point Z should use the same value as Start point Z.
+//
+// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
+// may change to add new functionality like different wipe patterns.
+//
+//#define NOZZLE_CLEAN_FEATURE
+
+#if ENABLED(NOZZLE_CLEAN_FEATURE)
+  // Default number of pattern repetitions
+  #define NOZZLE_CLEAN_STROKES  12
+
+  // Default number of triangles
+  #define NOZZLE_CLEAN_TRIANGLES  3
+
+  // Specify positions as { X, Y, Z }
+  #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
+  #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
+
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
+  // Moves the nozzle to the initial position
+  #define NOZZLE_CLEAN_GOBACK
+#endif
+
+//
+// Print job timer
+//
+// Enable this option to automatically start and stop the
+// print job timer when M104/M109/M190 commands are received.
+// M104 (extruder without wait) - high temp = none, low temp = stop timer
+// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
+// M190 (bed with wait) - high temp = start timer, low temp = none
+//
+// In all cases the timer can be started and stopped using
+// the following commands:
+//
+// - M75  - Start the print job timer
+// - M76  - Pause the print job timer
+// - M77  - Stop the print job timer
+#define PRINTJOB_TIMER_AUTOSTART
+
+//
+// Print Counter
+//
+// When enabled Marlin will keep track of some print statistical data such as:
+//  - Total print jobs
+//  - Total successful print jobs
+//  - Total failed print jobs
+//  - Total time printing
+//
+// This information can be viewed by the M78 command.
+//#define PRINTCOUNTER
+
+//=============================================================================
+//============================= LCD and SD support ============================
+//=============================================================================
+
+// @section lcd
+
+//
+// LCD LANGUAGE
+//
+// Here you may choose the language used by Marlin on the LCD menus, the following
+// list of languages are available:
+//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+//
+// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+//
+#define LCD_LANGUAGE en
+
+//
+// LCD Character Set
+//
+// Note: This option is NOT applicable to Graphical Displays.
+//
+// All character-based LCD's provide ASCII plus one of these
+// language extensions:
+//
+//  - JAPANESE ... the most common
+//  - WESTERN  ... with more accented characters
+//  - CYRILLIC ... for the Russian language
+//
+// To determine the language extension installed on your controller:
+//
+//  - Compile and upload with LCD_LANGUAGE set to 'test'
+//  - Click the controller to view the LCD menu
+//  - The LCD will display Japanese, Western, or Cyrillic text
+//
+// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+//
+// :['JAPANESE', 'WESTERN', 'CYRILLIC']
+//
+#define DISPLAY_CHARSET_HD44780 JAPANESE
+
+//
+// LCD TYPE
+//
+// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
+// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
+// (ST7565R family). (This option will be set automatically for certain displays.)
+//
+// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
+//                 https://github.com/olikraus/U8glib_Arduino
+//
+//#define ULTRA_LCD   // Character based
+//#define DOGLCD      // Full graphics display
+
+//
+// SD CARD
+//
+// SD Card support is disabled by default. If your controller has an SD slot,
+// you must uncomment the following option or it won't work.
+//
+//#define SDSUPPORT
+
+//
+// SD CARD: SPI SPEED
+//
+// Uncomment ONE of the following items to use a slower SPI transfer
+// speed. This is usually required if you're getting volume init errors.
+//
+//#define SPI_SPEED SPI_HALF_SPEED
+//#define SPI_SPEED SPI_QUARTER_SPEED
+//#define SPI_SPEED SPI_EIGHTH_SPEED
+
+//
+// SD CARD: ENABLE CRC
+//
+// Use CRC checks and retries on the SD communication.
+//
+//#define SD_CHECK_AND_RETRY
+
+//
+// ENCODER SETTINGS
+//
+// This option overrides the default number of encoder pulses needed to
+// produce one step. Should be increased for high-resolution encoders.
+//
+//#define ENCODER_PULSES_PER_STEP 1
+
+//
+// Use this option to override the number of step signals required to
+// move between next/prev menu items.
+//
+//#define ENCODER_STEPS_PER_MENU_ITEM 5
+
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
+//
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
+// This option reverses the encoder direction for navigating LCD menus.
+//
+//  If CLOCKWISE normally moves DOWN this makes it go UP.
+//  If CLOCKWISE normally moves UP this makes it go DOWN.
+//
+//#define REVERSE_MENU_DIRECTION
+
+//
+// Individual Axis Homing
+//
+// Add individual axis homing items (Home X, Home Y, and Home Z) to the LCD menu.
+//
+//#define INDIVIDUAL_AXIS_HOMING_MENU
+
+//
+// SPEAKER/BUZZER
+//
+// If you have a speaker that can produce tones, enable it here.
+// By default Marlin assumes you have a buzzer with a fixed frequency.
+//
+//#define SPEAKER
+
+//
+// The duration and frequency for the UI feedback sound.
+// Set these to 0 to disable audio feedback in the LCD menus.
+//
+// Note: Test audio output with the G-Code:
+//  M300 S<frequency Hz> P<duration ms>
+//
+//#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100
+//#define LCD_FEEDBACK_FREQUENCY_HZ 1000
+
+//
+// CONTROLLER TYPE: Standard
+//
+// Marlin supports a wide variety of controllers.
+// Enable one of the following options to specify your controller.
+//
+
+//
+// ULTIMAKER Controller.
+//
+//#define ULTIMAKERCONTROLLER
+
+//
+// ULTIPANEL as seen on Thingiverse.
+//
+//#define ULTIPANEL
+
+//
+// Cartesio UI
+// http://mauk.cc/webshop/cartesio-shop/electronics/user-interface
+//
+//#define CARTESIO_UI
+
+//
+// PanelOne from T3P3 (via RAMPS 1.4 AUX2/AUX3)
+// http://reprap.org/wiki/PanelOne
+//
+//#define PANEL_ONE
+
+//
+// MaKr3d Makr-Panel with graphic controller and SD support.
+// http://reprap.org/wiki/MaKr3d_MaKrPanel
+//
+//#define MAKRPANEL
+
+//
+// ReprapWorld Graphical LCD
+// https://reprapworld.com/?products_details&products_id/1218
+//
+//#define REPRAPWORLD_GRAPHICAL_LCD
+
+//
+// Activate one of these if you have a Panucatt Devices
+// Viki 2.0 or mini Viki with Graphic LCD
+// http://panucatt.com
+//
+//#define VIKI2
+//#define miniVIKI
+
+//
+// Adafruit ST7565 Full Graphic Controller.
+// https://github.com/eboston/Adafruit-ST7565-Full-Graphic-Controller/
+//
+//#define ELB_FULL_GRAPHIC_CONTROLLER
+
+//
+// RepRapDiscount Smart Controller.
+// http://reprap.org/wiki/RepRapDiscount_Smart_Controller
+//
+// Note: Usually sold with a white PCB.
+//
+//#define REPRAP_DISCOUNT_SMART_CONTROLLER
+
+//
+// GADGETS3D G3D LCD/SD Controller
+// http://reprap.org/wiki/RAMPS_1.3/1.4_GADGETS3D_Shield_with_Panel
+//
+// Note: Usually sold with a blue PCB.
+//
+//#define G3D_PANEL
+
+//
+// RepRapDiscount FULL GRAPHIC Smart Controller
+// http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
+//
+//#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+
+//
+// MakerLab Mini Panel with graphic
+// controller and SD support - http://reprap.org/wiki/Mini_panel
+//
+//#define MINIPANEL
+
+//
+// RepRapWorld REPRAPWORLD_KEYPAD v1.1
+// http://reprapworld.com/?products_details&products_id=202&cPath=1591_1626
+//
+// REPRAPWORLD_KEYPAD_MOVE_STEP sets how much should the robot move when a key
+// is pressed, a value of 10.0 means 10mm per click.
+//
+//#define REPRAPWORLD_KEYPAD
+//#define REPRAPWORLD_KEYPAD_MOVE_STEP 1.0
+
+//
+// RigidBot Panel V1.0
+// http://www.inventapart.com/
+//
+//#define RIGIDBOT_PANEL
+
+//
+// BQ LCD Smart Controller shipped by
+// default with the BQ Hephestos 2 and Witbox 2.
+//
+//#define BQ_LCD_SMART_CONTROLLER
+
+//
+// CONTROLLER TYPE: I2C
+//
+// Note: These controllers require the installation of Arduino's LiquidCrystal_I2C
+// library. For more info: https://github.com/kiyoshigawa/LiquidCrystal_I2C
+//
+
+//
+// Elefu RA Board Control Panel
+// http://www.elefu.com/index.php?route=product/product&product_id=53
+//
+//#define RA_CONTROL_PANEL
+
+//
+// Sainsmart YW Robot (LCM1602) LCD Display
+//
+//#define LCD_I2C_SAINSMART_YWROBOT
+
+//
+// Generic LCM1602 LCD adapter
+//
+//#define LCM1602
+
+//
+// PANELOLU2 LCD with status LEDs,
+// separate encoder and click inputs.
+//
+// Note: This controller requires Arduino's LiquidTWI2 library v1.2.3 or later.
+// For more info: https://github.com/lincomatic/LiquidTWI2
+//
+// Note: The PANELOLU2 encoder click input can either be directly connected to
+// a pin (if BTN_ENC defined to != -1) or read through I2C (when BTN_ENC == -1).
+//
+//#define LCD_I2C_PANELOLU2
+
+//
+// Panucatt VIKI LCD with status LEDs,
+// integrated click & L/R/U/D buttons, separate encoder inputs.
+//
+//#define LCD_I2C_VIKI
+
+//
+// SSD1306 OLED full graphics generic display
+//
+//#define U8GLIB_SSD1306
+
+//
+// SAV OLEd LCD module support using either SSD1306 or SH1106 based LCD modules
+//
+//#define SAV_3DGLCD
+#if ENABLED(SAV_3DGLCD)
+  //#define U8GLIB_SSD1306
+  #define U8GLIB_SH1106
+#endif
+
+//
+// CONTROLLER TYPE: Shift register panels
+//
+// 2 wire Non-latching LCD SR from https://goo.gl/aJJ4sH
+// LCD configuration: http://reprap.org/wiki/SAV_3D_LCD
+//
+//#define SAV_3DLCD
+
+//=============================================================================
+//=============================== Extra Features ==============================
+//=============================================================================
+
+// @section extras
+
+// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
+//#define FAST_PWM_FAN
+
+// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
+// which is not as annoying as with the hardware PWM. On the other hand, if this frequency
+// is too low, you should also increment SOFT_PWM_SCALE.
+//#define FAN_SOFT_PWM
+
+// Incrementing this by 1 will double the software PWM frequency,
+// affecting heaters, and the fan if FAN_SOFT_PWM is enabled.
+// However, control resolution will be halved for each increment;
+// at zero value, there are 128 effective control positions.
+#define SOFT_PWM_SCALE 0
+
+// Temperature status LEDs that display the hotend and bed temperature.
+// If all hotends and bed temperature and temperature setpoint are < 54C then the BLUE led is on.
+// Otherwise the RED led is on. There is 1C hysteresis.
+//#define TEMP_STAT_LEDS
+
+// M240  Triggers a camera by emulating a Canon RC-1 Remote
+// Data from: http://www.doc-diy.net/photo/rc-1_hacked/
+//#define PHOTOGRAPH_PIN     23
+
+// SkeinForge sends the wrong arc g-codes when using Arc Point as fillet procedure
+//#define SF_ARC_FIX
+
+// Support for the BariCUDA Paste Extruder.
+//#define BARICUDA
+
+//define BlinkM/CyzRgb Support
+//#define BLINKM
+
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
+/*********************************************************************\
+* R/C SERVO support
+* Sponsored by TrinityLabs, Reworked by codexmas
+**********************************************************************/
+
+// Number of servos
+//
+// If you select a configuration below, this will receive a default value and does not need to be set manually
+// set it manually if you have more servos than extruders and wish to manually control some
+// leaving it undefined or defining as 0 will disable the servo subsystem
+// If unsure, leave commented / disabled
+//
+//#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
+
+// Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.
+// 300ms is a good value but you can try less delay.
+// If the servo can't reach the requested position, increase it.
+#define SERVO_DELAY 300
+
+// Servo deactivation
+//
+// With this option servos are powered only during movement, then turned off to prevent jitter.
+//#define DEACTIVATE_SERVOS_AFTER_MOVE
+
+/**********************************************************************\
+ * Support for a filament diameter sensor
+ * Also allows adjustment of diameter at print time (vs  at slicing)
+ * Single extruder only at this point (extruder 0)
+ *
+ * Motherboards
+ * 34 - RAMPS1.4 - uses Analog input 5 on the AUX2 connector
+ * 81 - Printrboard - Uses Analog input 2 on the Exp1 connector (version B,C,D,E)
+ * 301 - Rambo  - uses Analog input 3
+ * Note may require analog pins to be defined for different motherboards
+ **********************************************************************/
+// Uncomment below to enable
+//#define FILAMENT_WIDTH_SENSOR
+
+#define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
+
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
+  #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
+  #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
+
+  #define MEASURED_UPPER_LIMIT         3.30  //upper limit factor used for sensor reading validation in mm
+  #define MEASURED_LOWER_LIMIT         1.90  //lower limit factor for sensor reading validation in mm
+  #define MAX_MEASUREMENT_DELAY       20     //delay buffer size in bytes (1 byte = 1cm)- limits maximum measurement delay allowable (must be larger than MEASUREMENT_DELAY_CM  and lower number saves RAM)
+
+  #define DEFAULT_MEASURED_FILAMENT_DIA  DEFAULT_NOMINAL_FILAMENT_DIA  //set measured to nominal initially
+
+  //When using an LCD, uncomment the line below to display the Filament sensor data on the last line instead of status.  Status will appear for 5 sec.
+  //#define FILAMENT_LCD_DISPLAY
+#endif
+
+#endif // CONFIGURATION_H
diff --git a/Marlin/example_configurations/Roxys_printers/gMax_1.5+/Configuration_adv.h b/Marlin/example_configurations/Roxys_printers/gMax_1.5+/Configuration_adv.h
new file mode 100644
index 0000000000000000000000000000000000000000..af217e50d208a7b941510902a4081b058d1fa6ed
--- /dev/null
+++ b/Marlin/example_configurations/Roxys_printers/gMax_1.5+/Configuration_adv.h
@@ -0,0 +1,1085 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Configuration_adv.h
+ *
+ * Advanced settings.
+ * Only change these if you know exactly what you're doing.
+ * Some of these settings can damage your printer if improperly set!
+ *
+ * Basic settings can be found in Configuration.h
+ *
+ */
+#ifndef CONFIGURATION_ADV_H
+#define CONFIGURATION_ADV_H
+
+/**
+ *
+ *  ***********************************
+ *  **  ATTENTION TO ALL DEVELOPERS  **
+ *  ***********************************
+ *
+ * You must increment this version number for every significant change such as,
+ * but not limited to: ADD, DELETE RENAME OR REPURPOSE any directive/option.
+ *
+ * Note: Update also Version.h !
+ */
+#define CONFIGURATION_ADV_H_VERSION 010100
+
+// @section temperature
+
+//===========================================================================
+//=============================Thermal Settings  ============================
+//===========================================================================
+
+#if DISABLED(PIDTEMPBED)
+  #define BED_CHECK_INTERVAL 5000 // ms between checks in bang-bang control
+  #if ENABLED(BED_LIMIT_SWITCHING)
+    #define BED_HYSTERESIS 2 // Only disable heating if T>target+BED_HYSTERESIS and enable heating if T>target-BED_HYSTERESIS
+  #endif
+#endif
+
+/**
+ * Thermal Protection protects your printer from damage and fire if a
+ * thermistor falls out or temperature sensors fail in any way.
+ *
+ * The issue: If a thermistor falls out or a temperature sensor fails,
+ * Marlin can no longer sense the actual temperature. Since a disconnected
+ * thermistor reads as a low temperature, the firmware will keep the heater on.
+ *
+ * The solution: Once the temperature reaches the target, start observing.
+ * If the temperature stays too far below the target (hysteresis) for too long (period),
+ * the firmware will halt the machine as a safety precaution.
+ *
+ * If you get false positives for "Thermal Runaway" increase THERMAL_PROTECTION_HYSTERESIS and/or THERMAL_PROTECTION_PERIOD
+ */
+#if ENABLED(THERMAL_PROTECTION_HOTENDS)
+  #define THERMAL_PROTECTION_PERIOD 40        // Seconds
+  #define THERMAL_PROTECTION_HYSTERESIS 4     // Degrees Celsius
+
+  /**
+   * Whenever an M104 or M109 increases the target temperature the firmware will wait for the
+   * WATCH_TEMP_PERIOD to expire, and if the temperature hasn't increased by WATCH_TEMP_INCREASE
+   * degrees, the machine is halted, requiring a hard reset. This test restarts with any M104/M109,
+   * but only if the current temperature is far enough below the target for a reliable test.
+   *
+   * If you get false positives for "Heating failed" increase WATCH_TEMP_PERIOD and/or decrease WATCH_TEMP_INCREASE
+   * WATCH_TEMP_INCREASE should not be below 2.
+   */
+  #define WATCH_TEMP_PERIOD 20                // Seconds
+  #define WATCH_TEMP_INCREASE 2               // Degrees Celsius
+#endif
+
+/**
+ * Thermal Protection parameters for the bed are just as above for hotends.
+ */
+#if ENABLED(THERMAL_PROTECTION_BED)
+  #define THERMAL_PROTECTION_BED_PERIOD 20    // Seconds
+  #define THERMAL_PROTECTION_BED_HYSTERESIS 2 // Degrees Celsius
+
+  /**
+   * Whenever an M140 or M190 increases the target temperature the firmware will wait for the
+   * WATCH_BED_TEMP_PERIOD to expire, and if the temperature hasn't increased by WATCH_BED_TEMP_INCREASE
+   * degrees, the machine is halted, requiring a hard reset. This test restarts with any M140/M190,
+   * but only if the current temperature is far enough below the target for a reliable test.
+   *
+   * If you get too many "Heating failed" errors, increase WATCH_BED_TEMP_PERIOD and/or decrease
+   * WATCH_BED_TEMP_INCREASE. (WATCH_BED_TEMP_INCREASE should not be below 2.)
+   */
+  #define WATCH_BED_TEMP_PERIOD 60                // Seconds
+  #define WATCH_BED_TEMP_INCREASE 2               // Degrees Celsius
+#endif
+
+#if ENABLED(PIDTEMP)
+  // this adds an experimental additional term to the heating power, proportional to the extrusion speed.
+  // if Kc is chosen well, the additional required power due to increased melting should be compensated.
+  //#define PID_EXTRUSION_SCALING
+  #if ENABLED(PID_EXTRUSION_SCALING)
+    #define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
+    #define LPQ_MAX_LEN 50
+  #endif
+#endif
+
+/**
+ * Automatic Temperature:
+ * The hotend target temperature is calculated by all the buffered lines of gcode.
+ * The maximum buffered steps/sec of the extruder motor is called "se".
+ * Start autotemp mode with M109 S<mintemp> B<maxtemp> F<factor>
+ * The target temperature is set to mintemp+factor*se[steps/sec] and is limited by
+ * mintemp and maxtemp. Turn this off by executing M109 without F*
+ * Also, if the temperature is set to a value below mintemp, it will not be changed by autotemp.
+ * On an Ultimaker, some initial testing worked with M109 S215 B260 F1 in the start.gcode
+ */
+#define AUTOTEMP
+#if ENABLED(AUTOTEMP)
+  #define AUTOTEMP_OLDWEIGHT 0.98
+#endif
+
+//Show Temperature ADC value
+//The M105 command return, besides traditional information, the ADC value read from temperature sensors.
+//#define SHOW_TEMP_ADC_VALUES
+
+/**
+ * High Temperature Thermistor Support
+ *
+ * Thermistors able to support high temperature tend to have a hard time getting
+ * good readings at room and lower temperatures. This means HEATER_X_RAW_LO_TEMP
+ * will probably be caught when the heating element first turns on during the
+ * preheating process, which will trigger a min_temp_error as a safety measure
+ * and force stop everything.
+ * To circumvent this limitation, we allow for a preheat time (during which,
+ * min_temp_error won't be triggered) and add a min_temp buffer to handle
+ * aberrant readings.
+ *
+ * If you want to enable this feature for your hotend thermistor(s)
+ * uncomment and set values > 0 in the constants below
+ */
+
+// The number of consecutive low temperature errors that can occur
+// before a min_temp_error is triggered. (Shouldn't be more than 10.)
+//#define MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED 0
+
+// The number of milliseconds a hotend will preheat before starting to check
+// the temperature. This value should NOT be set to the time it takes the
+// hot end to reach the target temperature, but the time it takes to reach
+// the minimum temperature your thermistor can read. The lower the better/safer.
+// This shouldn't need to be more than 30 seconds (30000)
+//#define MILLISECONDS_PREHEAT_TIME 0
+
+// @section extruder
+
+// Extruder runout prevention.
+// If the machine is idle and the temperature over MINTEMP
+// then extrude some filament every couple of SECONDS.
+//#define EXTRUDER_RUNOUT_PREVENT
+#if ENABLED(EXTRUDER_RUNOUT_PREVENT)
+  #define EXTRUDER_RUNOUT_MINTEMP 190
+  #define EXTRUDER_RUNOUT_SECONDS 30
+  #define EXTRUDER_RUNOUT_SPEED 1500  // mm/m
+  #define EXTRUDER_RUNOUT_EXTRUDE 5   // mm
+#endif
+
+// @section temperature
+
+//These defines help to calibrate the AD595 sensor in case you get wrong temperature measurements.
+//The measured temperature is defined as "actualTemp = (measuredTemp * TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET"
+#define TEMP_SENSOR_AD595_OFFSET 0.0
+#define TEMP_SENSOR_AD595_GAIN   1.0
+
+//This is for controlling a fan to cool down the stepper drivers
+//it will turn on when any driver is enabled
+//and turn off after the set amount of seconds from last driver being disabled again
+#define CONTROLLERFAN_PIN -1 //Pin used for the fan to cool controller (-1 to disable)
+#define CONTROLLERFAN_SECS 60 //How many seconds, after all motors were disabled, the fan should run
+#define CONTROLLERFAN_SPEED 255  // == full speed
+
+// When first starting the main fan, run it at full speed for the
+// given number of milliseconds.  This gets the fan spinning reliably
+// before setting a PWM value. (Does not work with software PWM for fan on Sanguinololu)
+//#define FAN_KICKSTART_TIME 100
+
+// This defines the minimal speed for the main fan, run in PWM mode
+// to enable uncomment and set minimal PWM speed for reliable running (1-255)
+// if fan speed is [1 - (FAN_MIN_PWM-1)] it is set to FAN_MIN_PWM
+//#define FAN_MIN_PWM 50
+
+// @section extruder
+
+/**
+ * Extruder cooling fans
+ *
+ * Extruder auto fans automatically turn on when their extruders'
+ * temperatures go above EXTRUDER_AUTO_FAN_TEMPERATURE.
+ *
+ * Your board's pins file specifies the recommended pins. Override those here
+ * or set to -1 to disable completely.
+ *
+ * Multiple extruders can be assigned to the same pin in which case
+ * the fan will turn on when any selected extruder is above the threshold.
+ */
+#define E0_AUTO_FAN_PIN -1
+#define E1_AUTO_FAN_PIN -1
+#define E2_AUTO_FAN_PIN -1
+#define E3_AUTO_FAN_PIN -1
+#define EXTRUDER_AUTO_FAN_TEMPERATURE 50
+#define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
+
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+#if PIN_EXISTS(CASE_LIGHT)
+  #define INVERT_CASE_LIGHT false   // Set to true if HIGH is the OFF state (active low)
+  //#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+  //#define MENU_ITEM_CASE_LIGHT    // Uncomment to have a Case Light On / Off entry in main menu
+#endif
+
+//===========================================================================
+//============================ Mechanical Settings ==========================
+//===========================================================================
+
+// @section homing
+
+// If you want endstops to stay on (by default) even when not homing
+// enable this option. Override at any time with M120, M121.
+//#define ENDSTOPS_ALWAYS_ON_DEFAULT
+
+// @section extras
+
+//#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
+
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
+// A single Z stepper driver is usually used to drive 2 stepper motors.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
+//#define Z_DUAL_STEPPER_DRIVERS
+
+#if ENABLED(Z_DUAL_STEPPER_DRIVERS)
+
+  // Z_DUAL_ENDSTOPS is a feature to enable the use of 2 endstops for both Z steppers - Let's call them Z stepper and Z2 stepper.
+  // That way the machine is capable to align the bed during home, since both Z steppers are homed.
+  // There is also an implementation of M666 (software endstops adjustment) to this feature.
+  // After Z homing, this adjustment is applied to just one of the steppers in order to align the bed.
+  // One just need to home the Z axis and measure the distance difference between both Z axis and apply the math: Z adjust = Z - Z2.
+  // If the Z stepper axis is closer to the bed, the measure Z > Z2 (yes, it is.. think about it) and the Z adjust would be positive.
+  // Play a little bit with small adjustments (0.5mm) and check the behaviour.
+  // The M119 (endstops report) will start reporting the Z2 Endstop as well.
+
+  //#define Z_DUAL_ENDSTOPS
+
+  #if ENABLED(Z_DUAL_ENDSTOPS)
+    #define Z2_USE_ENDSTOP _XMAX_
+  #endif
+
+#endif // Z_DUAL_STEPPER_DRIVERS
+
+// Enable this for dual x-carriage printers.
+// A dual x-carriage design has the advantage that the inactive extruder can be parked which
+// prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
+//#define DUAL_X_CARRIAGE
+#if ENABLED(DUAL_X_CARRIAGE)
+  // Configuration for second X-carriage
+  // Note: the first x-carriage is defined as the x-carriage which homes to the minimum endstop;
+  // the second x-carriage always homes to the maximum endstop.
+  #define X2_MIN_POS 80     // set minimum to ensure second x-carriage doesn't hit the parked first X-carriage
+  #define X2_MAX_POS 353    // set maximum to the distance between toolheads when both heads are homed
+  #define X2_HOME_DIR 1     // the second X-carriage always homes to the maximum endstop position
+  #define X2_HOME_POS X2_MAX_POS // default home position is the maximum carriage position
+      // However: In this mode the HOTEND_OFFSET_X value for the second extruder provides a software
+      // override for X2_HOME_POS. This also allow recalibration of the distance between the two endstops
+      // without modifying the firmware (through the "M218 T1 X???" command).
+      // Remember: you should set the second extruder x-offset to 0 in your slicer.
+
+  // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
+  //    Mode 0 (DXC_FULL_CONTROL_MODE): Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
+  //                                    as long as it supports dual x-carriages. (M605 S0)
+  //    Mode 1 (DXC_AUTO_PARK_MODE)   : Auto-park mode. The firmware will automatically park and unpark the x-carriages on tool changes so
+  //                                    that additional slicer support is not required. (M605 S1)
+  //    Mode 2 (DXC_DUPLICATION_MODE) : Duplication mode. The firmware will transparently make the second x-carriage and extruder copy all
+  //                                    actions of the first x-carriage. This allows the printer to print 2 arbitrary items at
+  //                                    once. (2nd extruder x offset and temp offset are set using: M605 S2 [Xnnn] [Rmmm])
+
+  // This is the default power-up mode which can be later using M605.
+  #define DEFAULT_DUAL_X_CARRIAGE_MODE DXC_FULL_CONTROL_MODE
+
+  // Default settings in "Auto-park Mode"
+  #define TOOLCHANGE_PARK_ZLIFT   0.2      // the distance to raise Z axis when parking an extruder
+  #define TOOLCHANGE_UNPARK_ZLIFT 1        // the distance to raise Z axis when unparking an extruder
+
+  // Default x offset in duplication mode (typically set to half print bed width)
+  #define DEFAULT_DUPLICATION_X_OFFSET 100
+
+#endif //DUAL_X_CARRIAGE
+
+// @section homing
+
+//homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
+#define X_HOME_BUMP_MM 5
+#define Y_HOME_BUMP_MM 5
+#define Z_HOME_BUMP_MM 2
+#define HOMING_BUMP_DIVISOR {2, 2, 4}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
+//#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
+
+// When G28 is called, this option will make Y home before X
+//#define HOME_Y_BEFORE_X
+
+// @section machine
+
+#define AXIS_RELATIVE_MODES {false, false, false, false}
+
+// Allow duplication mode with a basic dual-nozzle extruder
+//#define DUAL_NOZZLE_DUPLICATION_MODE
+
+// By default pololu step drivers require an active high signal. However, some high power drivers require an active low signal as step.
+#define INVERT_X_STEP_PIN false
+#define INVERT_Y_STEP_PIN false
+#define INVERT_Z_STEP_PIN false
+#define INVERT_E_STEP_PIN false
+
+// Default stepper release if idle. Set to 0 to deactivate.
+// Steppers will shut down DEFAULT_STEPPER_DEACTIVE_TIME seconds after the last move when DISABLE_INACTIVE_? is true.
+// Time can be set by M18 and M84.
+#define DEFAULT_STEPPER_DEACTIVE_TIME 120
+#define DISABLE_INACTIVE_X true
+#define DISABLE_INACTIVE_Y true
+#define DISABLE_INACTIVE_Z true  // set to false if the nozzle will fall down on your printed part when print has finished.
+#define DISABLE_INACTIVE_E true
+
+#define DEFAULT_MINIMUMFEEDRATE       0.0     // minimum feedrate
+#define DEFAULT_MINTRAVELFEEDRATE     0.0
+
+// @section lcd
+
+#if ENABLED(ULTIPANEL)
+  #define MANUAL_FEEDRATE {50*60, 50*60, 4*60, 60} // Feedrates for manual moves along X, Y, Z, E from panel
+  #define ULTIPANEL_FEEDMULTIPLY  // Comment to disable setting feedrate multiplier via encoder
+#endif
+
+// @section extras
+
+// minimum time in microseconds that a movement needs to take if the buffer is emptied.
+#define DEFAULT_MINSEGMENTTIME        20000
+
+// If defined the movements slow down when the look ahead buffer is only half full
+#define SLOWDOWN
+
+// Frequency limit
+// See nophead's blog for more info
+// Not working O
+//#define XY_FREQUENCY_LIMIT  15
+
+// Minimum planner junction speed. Sets the default minimum speed the planner plans for at the end
+// of the buffer and all stops. This should not be much greater than zero and should only be changed
+// if unwanted behavior is observed on a user's machine when running at very slow speeds.
+#define MINIMUM_PLANNER_SPEED 0.05// (mm/sec)
+
+// Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
+#define MICROSTEP_MODES {16,16,16,16,16} // [1,2,4,8,16]
+
+// Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
+#define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
+
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+
+// uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+//#define DIGIPOT_I2C
+// Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
+#define DIGIPOT_I2C_NUM_CHANNELS 8
+// actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS
+#define DIGIPOT_I2C_MOTOR_CURRENTS {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0}
+
+//===========================================================================
+//=============================Additional Features===========================
+//===========================================================================
+
+#define ENCODER_RATE_MULTIPLIER         // If defined, certain menu edit operations automatically multiply the steps when the encoder is moved quickly
+#define ENCODER_10X_STEPS_PER_SEC 75    // If the encoder steps per sec exceeds this value, multiply steps moved x10 to quickly advance the value
+#define ENCODER_100X_STEPS_PER_SEC 160  // If the encoder steps per sec exceeds this value, multiply steps moved x100 to really quickly advance the value
+
+//#define CHDK 4        //Pin for triggering CHDK to take a picture see how to use it here http://captain-slow.dk/2014/03/09/3d-printing-timelapses/
+#define CHDK_DELAY 50 //How long in ms the pin should stay HIGH before going LOW again
+
+// @section lcd
+
+// Include a page of printer information in the LCD Main Menu
+//#define LCD_INFO_MENU
+
+// On the Info Screen, display XY with one decimal place when possible
+//#define LCD_DECIMAL_SMALL_XY
+
+// The timeout (in ms) to return to the status screen from sub-menus
+//#define LCD_TIMEOUT_TO_STATUS 15000
+
+#if ENABLED(SDSUPPORT)
+
+  // Some RAMPS and other boards don't detect when an SD card is inserted. You can work
+  // around this by connecting a push button or single throw switch to the pin defined
+  // as SD_DETECT_PIN in your board's pins definitions.
+  // This setting should be disabled unless you are using a push button, pulling the pin to ground.
+  // Note: This is always disabled for ULTIPANEL (except ELB_FULL_GRAPHIC_CONTROLLER).
+  #define SD_DETECT_INVERTED
+
+  #define SD_FINISHED_STEPPERRELEASE true  //if sd support and the file is finished: disable steppers?
+  #define SD_FINISHED_RELEASECOMMAND "M84 X Y Z E" // You might want to keep the z enabled so your bed stays in place.
+
+  #define SDCARD_RATHERRECENTFIRST  //reverse file order of sd card menu display. Its sorted practically after the file system block order.
+  // if a file is deleted, it frees a block. hence, the order is not purely chronological. To still have auto0.g accessible, there is again the option to do that.
+  // using:
+  //#define MENU_ADDAUTOSTART
+
+  /**
+   * Sort SD file listings in alphabetical order.
+   *
+   * With this option enabled, items on SD cards will be sorted
+   * by name for easier navigation.
+   *
+   * By default...
+   *
+   *  - Use the slowest -but safest- method for sorting.
+   *  - Folders are sorted to the top.
+   *  - The sort key is statically allocated.
+   *  - No added G-code (M34) support.
+   *  - 40 item sorting limit. (Items after the first 40 are unsorted.)
+   *
+   * SD sorting uses static allocation (as set by SDSORT_LIMIT), allowing the
+   * compiler to calculate the worst-case usage and throw an error if the SRAM
+   * limit is exceeded.
+   *
+   *  - SDSORT_USES_RAM provides faster sorting via a static directory buffer.
+   *  - SDSORT_USES_STACK does the same, but uses a local stack-based buffer.
+   *  - SDSORT_CACHE_NAMES will retain the sorted file listing in RAM. (Expensive!)
+   *  - SDSORT_DYNAMIC_RAM only uses RAM when the SD menu is visible. (Use with caution!)
+   */
+  //#define SDCARD_SORT_ALPHA
+
+  // SD Card Sorting options
+  #if ENABLED(SDCARD_SORT_ALPHA)
+    #define SDSORT_LIMIT       40     // Maximum number of sorted items (10-256).
+    #define FOLDER_SORTING     -1     // -1=above  0=none  1=below
+    #define SDSORT_GCODE       false  // Allow turning sorting on/off with LCD and M34 g-code.
+    #define SDSORT_USES_RAM    false  // Pre-allocate a static array for faster pre-sorting.
+    #define SDSORT_USES_STACK  false  // Prefer the stack for pre-sorting to give back some SRAM. (Negated by next 2 options.)
+    #define SDSORT_CACHE_NAMES false  // Keep sorted items in RAM longer for speedy performance. Most expensive option.
+    #define SDSORT_DYNAMIC_RAM false  // Use dynamic allocation (within SD menus). Least expensive option. Set SDSORT_LIMIT before use!
+  #endif
+
+  // Show a progress bar on HD44780 LCDs for SD printing
+  //#define LCD_PROGRESS_BAR
+
+  #if ENABLED(LCD_PROGRESS_BAR)
+    // Amount of time (ms) to show the bar
+    #define PROGRESS_BAR_BAR_TIME 2000
+    // Amount of time (ms) to show the status message
+    #define PROGRESS_BAR_MSG_TIME 3000
+    // Amount of time (ms) to retain the status message (0=forever)
+    #define PROGRESS_MSG_EXPIRE   0
+    // Enable this to show messages for MSG_TIME then hide them
+    //#define PROGRESS_MSG_ONCE
+    // Add a menu item to test the progress bar:
+    //#define LCD_PROGRESS_BAR_TEST
+  #endif
+
+  // This allows hosts to request long names for files and folders with M33
+  //#define LONG_FILENAME_HOST_SUPPORT
+
+  // This option allows you to abort SD printing when any endstop is triggered.
+  // This feature must be enabled with "M540 S1" or from the LCD menu.
+  // To have any effect, endstops must be enabled during SD printing.
+  //#define ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED
+
+#endif // SDSUPPORT
+
+/**
+ * Additional options for Graphical Displays
+ *
+ * Use the optimizations here to improve printing performance,
+ * which can be adversely affected by graphical display drawing,
+ * especially when doing several short moves, and when printing
+ * on DELTA and SCARA machines.
+ *
+ * Some of these options may result in the display lagging behind
+ * controller events, as there is a trade-off between reliable
+ * printing performance versus fast display updates.
+ */
+#if ENABLED(DOGLCD)
+  // Enable to save many cycles by drawing a hollow frame on the Info Screen
+  #define XYZ_HOLLOW_FRAME
+
+  // Enable to save many cycles by drawing a hollow frame on Menu Screens
+  #define MENU_HOLLOW_FRAME
+
+  // A bigger font is available for edit items. Costs 3120 bytes of PROGMEM.
+  // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
+  //#define USE_BIG_EDIT_FONT
+
+  // A smaller font may be used on the Info Screen. Costs 2300 bytes of PROGMEM.
+  // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
+  //#define USE_SMALL_INFOFONT
+
+  // Enable this option and reduce the value to optimize screen updates.
+  // The normal delay is 10µs. Use the lowest value that still gives a reliable display.
+  //#define DOGM_SPI_DELAY_US 5
+#endif // DOGLCD
+
+// @section safety
+
+// The hardware watchdog should reset the microcontroller disabling all outputs,
+// in case the firmware gets stuck and doesn't do temperature regulation.
+#define USE_WATCHDOG
+
+#if ENABLED(USE_WATCHDOG)
+  // If you have a watchdog reboot in an ArduinoMega2560 then the device will hang forever, as a watchdog reset will leave the watchdog on.
+  // The "WATCHDOG_RESET_MANUAL" goes around this by not using the hardware reset.
+  //  However, THIS FEATURE IS UNSAFE!, as it will only work if interrupts are disabled. And the code could hang in an interrupt routine with interrupts disabled.
+  //#define WATCHDOG_RESET_MANUAL
+#endif
+
+// @section lcd
+
+// Babystepping enables the user to control the axis in tiny amounts, independently from the normal printing process
+// it can e.g. be used to change z-positions in the print startup phase in real-time
+// does not respect endstops!
+//#define BABYSTEPPING
+#if ENABLED(BABYSTEPPING)
+  #define BABYSTEP_XY  //not only z, but also XY in the menu. more clutter, more functions
+                       //not implemented for deltabots!
+  #define BABYSTEP_INVERT_Z false  //true for inverse movements in Z
+  #define BABYSTEP_MULTIPLICATOR 1 //faster movements
+#endif
+
+// @section extruder
+
+// extruder advance constant (s2/mm3)
+//
+// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
+//
+// Hooke's law says:    force = k * distance
+// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
+// so: v ^ 2 is proportional to number of steps we advance the extruder
+//#define ADVANCE
+
+#if ENABLED(ADVANCE)
+  #define EXTRUDER_ADVANCE_K .0
+  #define D_FILAMENT 2.85
+#endif
+
+/**
+ * Implementation of linear pressure control
+ *
+ * Assumption: advance = k * (delta velocity)
+ * K=0 means advance disabled.
+ * See Marlin documentation for calibration instructions.
+ */
+//#define LIN_ADVANCE
+
+#if ENABLED(LIN_ADVANCE)
+  #define LIN_ADVANCE_K 75
+
+  /**
+   * Some Slicers produce Gcode with randomly jumping extrusion widths occasionally.
+   * For example within a 0.4mm perimeter it may produce a single segment of 0.05mm width.
+   * While this is harmless for normal printing (the fluid nature of the filament will
+   * close this very, very tiny gap), it throws off the LIN_ADVANCE pressure adaption.
+   *
+   * For this case LIN_ADVANCE_E_D_RATIO can be used to set the extrusion:distance ratio
+   * to a fixed value. Note that using a fixed ratio will lead to wrong nozzle pressures
+   * if the slicer is using variable widths or layer heights within one print!
+   *
+   * This option sets the default E:D ratio at startup. Use `M905` to override this value.
+   *
+   * Example: `M905 W0.4 H0.2 D1.75`, where:
+   *   - W is the extrusion width in mm
+   *   - H is the layer height in mm
+   *   - D is the filament diameter in mm
+   *
+   * Set to 0 to auto-detect the ratio based on given Gcode G1 print moves.
+   *
+   * Slic3r (including Prusa Slic3r) produces Gcode compatible with the automatic mode.
+   * Cura (as of this writing) may produce Gcode incompatible with the automatic mode.
+   */
+  #define LIN_ADVANCE_E_D_RATIO 0 // The calculated ratio (or 0) according to the formula W * H / ((D / 2) ^ 2 * PI)
+                                  // Example: 0.4 * 0.2 / ((1.75 / 2) ^ 2 * PI) = 0.033260135
+#endif
+
+// @section leveling
+
+// Default mesh area is an area with an inset margin on the print area.
+// Below are the macros that are used to define the borders for the mesh area,
+// made available here for specialized needs, ie dual extruder setup.
+#if ENABLED(MESH_BED_LEVELING)
+  #define MESH_MIN_X (X_MIN_POS + MESH_INSET)
+  #define MESH_MAX_X (X_MAX_POS - (MESH_INSET))
+  #define MESH_MIN_Y (Y_MIN_POS + MESH_INSET)
+  #define MESH_MAX_Y (Y_MAX_POS - (MESH_INSET))
+#endif
+
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+  #define UBL_MESH_MIN_X (X_MIN_POS + UBL_MESH_INSET)
+  #define UBL_MESH_MAX_X (X_MAX_POS - (UBL_MESH_INSET))
+  #define UBL_MESH_MIN_Y (Y_MIN_POS + UBL_MESH_INSET)
+  #define UBL_MESH_MAX_Y (Y_MAX_POS - (UBL_MESH_INSET))
+#endif
+
+// @section extras
+
+// Arc interpretation settings:
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
+#define MM_PER_ARC_SEGMENT 1
+#define N_ARC_CORRECTION 25
+
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
+//#define BEZIER_CURVE_SUPPORT
+
+// G38.2 and G38.3 Probe Target
+//#define G38_PROBE_TARGET
+#if ENABLED(G38_PROBE_TARGET)
+  #define G38_MINIMUM_MOVE 0.0275 // minimum distance in mm that will produce a move (determined using the print statement in check_move)
+#endif
+
+// Moves (or segments) with fewer steps than this will be joined with the next move
+#define MIN_STEPS_PER_SEGMENT 6
+
+// The minimum pulse width (in µs) for stepping a stepper.
+// Set this if you find stepping unreliable, or if using a very fast CPU.
+#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+
+// @section temperature
+
+// Control heater 0 and heater 1 in parallel.
+//#define HEATERS_PARALLEL
+
+//===========================================================================
+//================================= Buffers =================================
+//===========================================================================
+
+// @section hidden
+
+// The number of linear motions that can be in the plan at any give time.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+#if ENABLED(SDSUPPORT)
+  #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
+#else
+  #define BLOCK_BUFFER_SIZE 16 // maximize block buffer
+#endif
+
+// @section serial
+
+// The ASCII buffer for serial input
+#define MAX_CMD_SIZE 96
+#define BUFSIZE 4
+
+// Transfer Buffer Size
+// To save 386 bytes of PROGMEM (and TX_BUFFER_SIZE+3 bytes of RAM) set to 0.
+// To buffer a simple "ok" you need 4 bytes.
+// For ADVANCED_OK (M105) you need 32 bytes.
+// For debug-echo: 128 bytes for the optimal speed.
+// Other output doesn't need to be that speedy.
+// :[0, 2, 4, 8, 16, 32, 64, 128, 256]
+#define TX_BUFFER_SIZE 0
+
+// Enable an emergency-command parser to intercept certain commands as they
+// enter the serial receive buffer, so they cannot be blocked.
+// Currently handles M108, M112, M410
+// Does not work on boards using AT90USB (USBCON) processors!
+//#define EMERGENCY_PARSER
+
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients abort after 30 seconds in a timeout.
+// Some other clients start sending commands while receiving a 'wait'.
+// This "wait" is only sent when the buffer is empty. 1 second is a good value here.
+//#define NO_TIMEOUTS 1000 // Milliseconds
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+//#define ADVANCED_OK
+
+// @section fwretract
+
+// Firmware based and LCD controlled retract
+// M207 and M208 can be used to define parameters for the retraction.
+// The retraction can be called by the slicer using G10 and G11
+// until then, intended retractions can be detected by moves that only extrude and the direction.
+// the moves are than replaced by the firmware controlled ones.
+
+//#define FWRETRACT  //ONLY PARTIALLY TESTED
+#if ENABLED(FWRETRACT)
+  #define MIN_RETRACT 0.1                //minimum extruded mm to accept a automatic gcode retraction attempt
+  #define RETRACT_LENGTH 3               //default retract length (positive mm)
+  #define RETRACT_LENGTH_SWAP 13         //default swap retract length (positive mm), for extruder change
+  #define RETRACT_FEEDRATE 45            //default feedrate for retracting (mm/s)
+  #define RETRACT_ZLIFT 0                //default retract Z-lift
+  #define RETRACT_RECOVER_LENGTH 0       //default additional recover length (mm, added to retract length when recovering)
+  #define RETRACT_RECOVER_LENGTH_SWAP 0  //default additional swap recover length (mm, added to retract length when recovering from extruder change)
+  #define RETRACT_RECOVER_FEEDRATE 8     //default feedrate for recovering from retraction (mm/s)
+#endif
+
+/**
+ * Filament Change
+ * Experimental filament change support.
+ * Adds the GCode M600 for initiating filament change.
+ *
+ * Requires an LCD display.
+ * This feature is required for the default FILAMENT_RUNOUT_SCRIPT.
+ */
+//#define FILAMENT_CHANGE_FEATURE
+#if ENABLED(FILAMENT_CHANGE_FEATURE)
+  #define FILAMENT_CHANGE_X_POS 3             // X position of hotend
+  #define FILAMENT_CHANGE_Y_POS 3             // Y position of hotend
+  #define FILAMENT_CHANGE_Z_ADD 10            // Z addition of hotend (lift)
+  #define FILAMENT_CHANGE_XY_FEEDRATE 100     // X and Y axes feedrate in mm/s (also used for delta printers Z axis)
+  #define FILAMENT_CHANGE_Z_FEEDRATE 5        // Z axis feedrate in mm/s (not used for delta printers)
+  #define FILAMENT_CHANGE_RETRACT_FEEDRATE 60 // Initial retract feedrate in mm/s
+  #define FILAMENT_CHANGE_RETRACT_LENGTH 2    // Initial retract in mm
+                                              // It is a short retract used immediately after print interrupt before move to filament exchange position
+  #define FILAMENT_CHANGE_UNLOAD_FEEDRATE 10  // Unload filament feedrate in mm/s - filament unloading can be fast
+  #define FILAMENT_CHANGE_UNLOAD_LENGTH 100   // Unload filament length from hotend in mm
+                                              // Longer length for bowden printers to unload filament from whole bowden tube,
+                                              // shorter length for printers without bowden to unload filament from extruder only,
+                                              // 0 to disable unloading for manual unloading
+  #define FILAMENT_CHANGE_LOAD_FEEDRATE 6     // Load filament feedrate in mm/s - filament loading into the bowden tube can be fast
+  #define FILAMENT_CHANGE_LOAD_LENGTH 0       // Load filament length over hotend in mm
+                                              // Longer length for bowden printers to fast load filament into whole bowden tube over the hotend,
+                                              // Short or zero length for printers without bowden where loading is not used
+  #define FILAMENT_CHANGE_EXTRUDE_FEEDRATE 3  // Extrude filament feedrate in mm/s - must be slower than load feedrate
+  #define FILAMENT_CHANGE_EXTRUDE_LENGTH 50   // Extrude filament length in mm after filament is loaded over the hotend,
+                                              // 0 to disable for manual extrusion
+                                              // Filament can be extruded repeatedly from the filament exchange menu to fill the hotend,
+                                              // or until outcoming filament color is not clear for filament color change
+  #define FILAMENT_CHANGE_NOZZLE_TIMEOUT 45L  // Turn off nozzle if user doesn't change filament within this time limit in seconds
+  #define FILAMENT_CHANGE_NUMBER_OF_ALERT_BEEPS  5L  // Number of alert beeps before printer goes quiet
+  #define FILAMENT_CHANGE_NO_STEPPER_TIMEOUT         // Enable to have stepper motors hold position during filament change
+                                                     // even if it takes longer than DEFAULT_STEPPER_DEACTIVE_TIME.
+#endif
+
+// @section tmc
+
+/**
+ * Enable this section if you have TMC26X motor drivers.
+ * You will need to import the TMC26XStepper library into the Arduino IDE for this
+ * (https://github.com/trinamic/TMC26XStepper.git)
+ */
+//#define HAVE_TMCDRIVER
+
+#if ENABLED(HAVE_TMCDRIVER)
+
+  //#define X_IS_TMC
+  //#define X2_IS_TMC
+  //#define Y_IS_TMC
+  //#define Y2_IS_TMC
+  //#define Z_IS_TMC
+  //#define Z2_IS_TMC
+  //#define E0_IS_TMC
+  //#define E1_IS_TMC
+  //#define E2_IS_TMC
+  //#define E3_IS_TMC
+
+  #define X_MAX_CURRENT     1000 // in mA
+  #define X_SENSE_RESISTOR    91 // in mOhms
+  #define X_MICROSTEPS        16 // number of microsteps
+
+  #define X2_MAX_CURRENT    1000
+  #define X2_SENSE_RESISTOR   91
+  #define X2_MICROSTEPS       16
+
+  #define Y_MAX_CURRENT     1000
+  #define Y_SENSE_RESISTOR    91
+  #define Y_MICROSTEPS        16
+
+  #define Y2_MAX_CURRENT    1000
+  #define Y2_SENSE_RESISTOR   91
+  #define Y2_MICROSTEPS       16
+
+  #define Z_MAX_CURRENT     1000
+  #define Z_SENSE_RESISTOR    91
+  #define Z_MICROSTEPS        16
+
+  #define Z2_MAX_CURRENT    1000
+  #define Z2_SENSE_RESISTOR   91
+  #define Z2_MICROSTEPS       16
+
+  #define E0_MAX_CURRENT    1000
+  #define E0_SENSE_RESISTOR   91
+  #define E0_MICROSTEPS       16
+
+  #define E1_MAX_CURRENT    1000
+  #define E1_SENSE_RESISTOR   91
+  #define E1_MICROSTEPS       16
+
+  #define E2_MAX_CURRENT    1000
+  #define E2_SENSE_RESISTOR   91
+  #define E2_MICROSTEPS       16
+
+  #define E3_MAX_CURRENT    1000
+  #define E3_SENSE_RESISTOR   91
+  #define E3_MICROSTEPS       16
+
+#endif
+
+// @section TMC2130
+
+/**
+ * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
+ *
+ * You'll also need the TMC2130Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2130Stepper).
+ *
+ * To use TMC2130 stepper drivers in SPI mode connect your SPI2130 pins to
+ * the hardware SPI interface on your board and define the required CS pins
+ * in your `pins_MYBOARD.h` file. (e.g., RAMPS 1.4 uses AUX3 pins `X_CS_PIN 53`, `Y_CS_PIN 49`, etc.).
+ */
+//#define HAVE_TMC2130
+
+#if ENABLED(HAVE_TMC2130)
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+  #define CURRENT_STEP          50  // [mA]
+  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+
+  // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
+  //#define X_IS_TMC2130
+  //#define X2_IS_TMC2130
+  //#define Y_IS_TMC2130
+  //#define Y2_IS_TMC2130
+  //#define Z_IS_TMC2130
+  //#define Z2_IS_TMC2130
+  //#define E0_IS_TMC2130
+  //#define E1_IS_TMC2130
+  //#define E2_IS_TMC2130
+  //#define E3_IS_TMC2130
+
+  /**
+   * Stepper driver settings
+   */
+
+  #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
+  #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
+  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+
+  #define X_MAX_CURRENT     1000  // rms current in mA
+  #define X_MICROSTEPS        16  // FULLSTEP..256
+  #define X_CHIP_SELECT       40  // Pin
+
+  #define Y_MAX_CURRENT     1000
+  #define Y_MICROSTEPS        16
+  #define Y_CHIP_SELECT       42
+
+  #define Z_MAX_CURRENT     1000
+  #define Z_MICROSTEPS        16
+  #define Z_CHIP_SELECT       65
+
+  //#define X2_MAX_CURRENT  1000
+  //#define X2_MICROSTEPS     16
+  //#define X2_CHIP_SELECT    -1
+
+  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_MICROSTEPS     16
+  //#define Y2_CHIP_SELECT    -1
+
+  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_MICROSTEPS     16
+  //#define Z2_CHIP_SELECT    -1
+
+  //#define E0_MAX_CURRENT  1000
+  //#define E0_MICROSTEPS     16
+  //#define E0_CHIP_SELECT    -1
+
+  //#define E1_MAX_CURRENT  1000
+  //#define E1_MICROSTEPS     16
+  //#define E1_CHIP_SELECT    -1
+
+  //#define E2_MAX_CURRENT  1000
+  //#define E2_MICROSTEPS     16
+  //#define E2_CHIP_SELECT    -1
+
+  //#define E3_MAX_CURRENT  1000
+  //#define E3_MICROSTEPS     16
+  //#define E3_CHIP_SELECT    -1
+
+  /**
+   * You can set your own advanced settings by filling in predefined functions.
+   * A list of available functions can be found on the library github page
+   * https://github.com/teemuatlut/TMC2130Stepper
+   *
+   * Example:
+   * #define TMC2130_ADV() { \
+   *   stepperX.diag0_temp_prewarn(1); \
+   *   stepperX.interpolate(0); \
+   * }
+   */
+  #define  TMC2130_ADV() {  }
+
+#endif // ENABLED(HAVE_TMC2130)
+
+/**
+ * Enable this section if you have L6470 motor drivers.
+ * You need to import the L6470 library into the Arduino IDE for this.
+ * (https://github.com/ameyer/Arduino-L6470)
+ */
+
+// @section l6470
+
+//#define HAVE_L6470DRIVER
+#if ENABLED(HAVE_L6470DRIVER)
+
+  //#define X_IS_L6470
+  //#define X2_IS_L6470
+  //#define Y_IS_L6470
+  //#define Y2_IS_L6470
+  //#define Z_IS_L6470
+  //#define Z2_IS_L6470
+  //#define E0_IS_L6470
+  //#define E1_IS_L6470
+  //#define E2_IS_L6470
+  //#define E3_IS_L6470
+
+  #define X_MICROSTEPS      16 // number of microsteps
+  #define X_K_VAL           50 // 0 - 255, Higher values, are higher power. Be careful not to go too high
+  #define X_OVERCURRENT   2000 // maxc current in mA. If the current goes over this value, the driver will switch off
+  #define X_STALLCURRENT  1500 // current in mA where the driver will detect a stall
+
+  #define X2_MICROSTEPS     16
+  #define X2_K_VAL          50
+  #define X2_OVERCURRENT  2000
+  #define X2_STALLCURRENT 1500
+
+  #define Y_MICROSTEPS      16
+  #define Y_K_VAL           50
+  #define Y_OVERCURRENT   2000
+  #define Y_STALLCURRENT  1500
+
+  #define Y2_MICROSTEPS     16
+  #define Y2_K_VAL          50
+  #define Y2_OVERCURRENT  2000
+  #define Y2_STALLCURRENT 1500
+
+  #define Z_MICROSTEPS      16
+  #define Z_K_VAL           50
+  #define Z_OVERCURRENT   2000
+  #define Z_STALLCURRENT  1500
+
+  #define Z2_MICROSTEPS     16
+  #define Z2_K_VAL          50
+  #define Z2_OVERCURRENT  2000
+  #define Z2_STALLCURRENT 1500
+
+  #define E0_MICROSTEPS     16
+  #define E0_K_VAL          50
+  #define E0_OVERCURRENT  2000
+  #define E0_STALLCURRENT 1500
+
+  #define E1_MICROSTEPS     16
+  #define E1_K_VAL          50
+  #define E1_OVERCURRENT  2000
+  #define E1_STALLCURRENT 1500
+
+  #define E2_MICROSTEPS     16
+  #define E2_K_VAL          50
+  #define E2_OVERCURRENT  2000
+  #define E2_STALLCURRENT 1500
+
+  #define E3_MICROSTEPS     16
+  #define E3_K_VAL          50
+  #define E3_OVERCURRENT  2000
+  #define E3_STALLCURRENT 1500
+
+#endif
+
+/**
+ * TWI/I2C BUS
+ *
+ * This feature is an EXPERIMENTAL feature so it shall not be used on production
+ * machines. Enabling this will allow you to send and receive I2C data from slave
+ * devices on the bus.
+ *
+ * ; Example #1
+ * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
+ *
+ * ; Example #2
+ * ; Request 6 bytes from slave device with address 0x63 (99)
+ * M261 A99 B5
+ *
+ * ; Example #3
+ * ; Example serial output of a M261 request
+ * echo:i2c-reply: from:99 bytes:5 data:hello
+ */
+
+// @section i2cbus
+
+//#define EXPERIMENTAL_I2CBUS
+#define I2C_SLAVE_ADDRESS  0 // Set a value from 8 to 127 to act as a slave
+
+/**
+ * Add M43, M44 and M45 commands for pins info and testing
+ */
+//#define PINS_DEBUGGING
+
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
+/**
+ * Double-click the Encoder button on the Status Screen for Z Babystepping.
+ */
+//#define DOUBLECLICK_FOR_Z_BABYSTEPPING
+#define DOUBLECLICK_MAX_INTERVAL 1250   // Maximum interval between clicks, in milliseconds.
+                                        // Note: You may need to add extra time to mitigate controller latency.
+
+/**
+ * Volumetric extrusion default state
+ * Activate to make volumetric extrusion the default method,
+ * with DEFAULT_NOMINAL_FILAMENT_DIA as the default diameter.
+ *
+ * M200 D0 to disable, M200 Dn to set a new diameter.
+ */
+//#define VOLUMETRIC_DEFAULT_ON
+
+/**
+ * Enable this option for a leaner build of Marlin that removes all
+ * workspace offsets, simplifying coordinate transformations, leveling, etc.
+ *
+ *  - M206 and M428 are disabled.
+ *  - G92 will revert to its behavior from Marlin 1.0.
+ */
+//#define NO_WORKSPACE_OFFSETS
+
+#endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/Roxys_printers/original_release_files/Configuration.h b/Marlin/example_configurations/Roxys_printers/original_release_files/Configuration.h
new file mode 100644
index 0000000000000000000000000000000000000000..a288deefb888a45e1a9f60130444254c367b7746
--- /dev/null
+++ b/Marlin/example_configurations/Roxys_printers/original_release_files/Configuration.h
@@ -0,0 +1,1505 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Configuration.h
+ *
+ * Basic settings such as:
+ *
+ * - Type of electronics
+ * - Type of temperature sensor
+ * - Printer geometry
+ * - Endstop configuration
+ * - LCD controller
+ * - Extra features
+ *
+ * Advanced settings can be found in Configuration_adv.h
+ *
+ */
+#ifndef CONFIGURATION_H
+#define CONFIGURATION_H
+
+/**
+ *
+ *  ***********************************
+ *  **  ATTENTION TO ALL DEVELOPERS  **
+ *  ***********************************
+ *
+ * You must increment this version number for every significant change such as,
+ * but not limited to: ADD, DELETE RENAME OR REPURPOSE any directive/option.
+ *
+ * Note: Update also Version.h !
+ */
+#define CONFIGURATION_H_VERSION 010100
+
+//===========================================================================
+//============================= Getting Started =============================
+//===========================================================================
+
+/**
+ * Here are some standard links for getting your machine calibrated:
+ *
+ * http://reprap.org/wiki/Calibration
+ * http://youtu.be/wAL9d7FgInk
+ * http://calculator.josefprusa.cz
+ * http://reprap.org/wiki/Triffid_Hunter%27s_Calibration_Guide
+ * http://www.thingiverse.com/thing:5573
+ * https://sites.google.com/site/repraplogphase/calibration-of-your-reprap
+ * http://www.thingiverse.com/thing:298812
+ */
+
+//===========================================================================
+//============================= DELTA Printer ===============================
+//===========================================================================
+// For a Delta printer replace the configuration files with the files in the
+// example_configurations/delta directory.
+//
+
+//===========================================================================
+//============================= SCARA Printer ===============================
+//===========================================================================
+// For a Scara printer replace the configuration files with the files in the
+// example_configurations/SCARA directory.
+//
+
+// @section info
+
+// User-specified version info of this build to display in [Pronterface, etc] terminal window during
+// startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
+// build by the user have been successfully uploaded into firmware.
+#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
+#define SHOW_BOOTSCREEN
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE2 WEBSITE_URL         // will be shown during bootup in line 2
+
+//
+// *** VENDORS PLEASE READ *****************************************************
+//
+// Marlin now allow you to have a vendor boot image to be displayed on machine
+// start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
+// custom boot image and then the default Marlin boot image is shown.
+//
+// We suggest for you to take advantage of this new feature and keep the Marlin
+// boot image unmodified. For an example have a look at the bq Hephestos 2
+// example configuration folder.
+//
+//#define SHOW_CUSTOM_BOOTSCREEN
+// @section machine
+
+/**
+ * Select which serial port on the board will be used for communication with the host.
+ * This allows the connection of wireless adapters (for instance) to non-default port pins.
+ * Serial port 0 is always used by the Arduino bootloader regardless of this setting.
+ *
+ * :[0, 1, 2, 3, 4, 5, 6, 7]
+ */
+#define SERIAL_PORT 0
+
+/**
+ * This setting determines the communication speed of the printer.
+ *
+ * 250000 works in most cases, but you might try a lower speed if
+ * you commonly experience drop-outs during host printing.
+ *
+ * :[2400, 9600, 19200, 38400, 57600, 115200, 250000]
+ */
+#define BAUDRATE 250000
+
+// Enable the Bluetooth serial interface on AT90USB devices
+//#define BLUETOOTH
+
+// The following define selects which electronics board you have.
+// Please choose the name from boards.h that matches your setup
+#ifndef MOTHERBOARD
+  #define MOTHERBOARD BOARD_RAMPS_14_EFB
+#endif
+
+// Optional custom name for your RepStrap or other custom machine
+// Displayed in the LCD "Ready" message
+//#define CUSTOM_MACHINE_NAME "3D Printer"
+
+// Define this to set a unique identifier for this printer, (Used by some programs to differentiate between machines)
+// You can use an online service to generate a random UUID. (eg http://www.uuidgenerator.net/version4)
+//#define MACHINE_UUID "00000000-0000-0000-0000-000000000000"
+
+// This defines the number of extruders
+// :[1, 2, 3, 4]
+#define EXTRUDERS 1
+
+// Enable if your E steppers or extruder gear ratios are not identical
+//#define DISTINCT_E_FACTORS
+
+// For Cyclops or any "multi-extruder" that shares a single nozzle.
+//#define SINGLENOZZLE
+
+// A dual extruder that uses a single stepper motor
+// Don't forget to set SSDE_SERVO_ANGLES and HOTEND_OFFSET_X/Y/Z
+//#define SWITCHING_EXTRUDER
+#if ENABLED(SWITCHING_EXTRUDER)
+  #define SWITCHING_EXTRUDER_SERVO_NR 0
+  #define SWITCHING_EXTRUDER_SERVO_ANGLES { 0, 90 } // Angles for E0, E1
+  //#define HOTEND_OFFSET_Z {0.0, 0.0}
+#endif
+
+/**
+ * "Mixing Extruder"
+ *   - Adds a new code, M165, to set the current mix factors.
+ *   - Extends the stepping routines to move multiple steppers in proportion to the mix.
+ *   - Optional support for Repetier Host M163, M164, and virtual extruder.
+ *   - This implementation supports only a single extruder.
+ *   - Enable DIRECT_MIXING_IN_G1 for Pia Taubert's reference implementation
+ */
+//#define MIXING_EXTRUDER
+#if ENABLED(MIXING_EXTRUDER)
+  #define MIXING_STEPPERS 2        // Number of steppers in your mixing extruder
+  #define MIXING_VIRTUAL_TOOLS 16  // Use the Virtual Tool method with M163 and M164
+  //#define DIRECT_MIXING_IN_G1    // Allow ABCDHI mix factors in G1 movement commands
+#endif
+
+// Offset of the extruders (uncomment if using more than one and relying on firmware to position when changing).
+// The offset has to be X=0, Y=0 for the extruder 0 hotend (default extruder).
+// For the other hotends it is their distance from the extruder 0 hotend.
+//#define HOTEND_OFFSET_X {0.0, 20.00} // (in mm) for each extruder, offset of the hotend on the X axis
+//#define HOTEND_OFFSET_Y {0.0, 5.00}  // (in mm) for each extruder, offset of the hotend on the Y axis
+
+/**
+ * Select your power supply here. Use 0 if you haven't connected the PS_ON_PIN
+ *
+ * 0 = No Power Switch
+ * 1 = ATX
+ * 2 = X-Box 360 203Watts (the blue wire connected to PS_ON and the red wire to VCC)
+ *
+ * :{ 0:'No power switch', 1:'ATX', 2:'X-Box 360' }
+ */
+#define POWER_SUPPLY 0
+
+#if POWER_SUPPLY > 0
+  // Enable this option to leave the PSU off at startup.
+  // Power to steppers and heaters will need to be turned on with M80.
+  //#define PS_DEFAULT_OFF
+#endif
+
+// @section temperature
+
+//===========================================================================
+//============================= Thermal Settings ============================
+//===========================================================================
+
+/**
+ * --NORMAL IS 4.7kohm PULLUP!-- 1kohm pullup can be used on hotend sensor, using correct resistor and table
+ *
+ * Temperature sensors available:
+ *
+ *    -3 : thermocouple with MAX31855 (only for sensor 0)
+ *    -2 : thermocouple with MAX6675 (only for sensor 0)
+ *    -1 : thermocouple with AD595
+ *     0 : not used
+ *     1 : 100k thermistor - best choice for EPCOS 100k (4.7k pullup)
+ *     2 : 200k thermistor - ATC Semitec 204GT-2 (4.7k pullup)
+ *     3 : Mendel-parts thermistor (4.7k pullup)
+ *     4 : 10k thermistor !! do not use it for a hotend. It gives bad resolution at high temp. !!
+ *     5 : 100K thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (4.7k pullup)
+ *     6 : 100k EPCOS - Not as accurate as table 1 (created using a fluke thermocouple) (4.7k pullup)
+ *     7 : 100k Honeywell thermistor 135-104LAG-J01 (4.7k pullup)
+ *    71 : 100k Honeywell thermistor 135-104LAF-J01 (4.7k pullup)
+ *     8 : 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup)
+ *     9 : 100k GE Sensing AL03006-58.2K-97-G1 (4.7k pullup)
+ *    10 : 100k RS thermistor 198-961 (4.7k pullup)
+ *    11 : 100k beta 3950 1% thermistor (4.7k pullup)
+ *    12 : 100k 0603 SMD Vishay NTCS0603E3104FXT (4.7k pullup) (calibrated for Makibox hot bed)
+ *    13 : 100k Hisens 3950  1% up to 300°C for hotend "Simple ONE " & "Hotend "All In ONE"
+ *    20 : the PT100 circuit found in the Ultimainboard V2.x
+ *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
+ *    66 : 4.7M High Temperature thermistor from Dyze Design
+ *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad with NTC 100K MGB18-104F39050L32 thermistor
+ *
+ *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
+ *                              (but gives greater accuracy and more stable PID)
+ *    51 : 100k thermistor - EPCOS (1k pullup)
+ *    52 : 200k thermistor - ATC Semitec 204GT-2 (1k pullup)
+ *    55 : 100k thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (1k pullup)
+ *
+ *  1047 : Pt1000 with 4k7 pullup
+ *  1010 : Pt1000 with 1k pullup (non standard)
+ *   147 : Pt100 with 4k7 pullup
+ *   110 : Pt100 with 1k pullup (non standard)
+ *
+ *         Use these for Testing or Development purposes. NEVER for production machine.
+ *   998 : Dummy Table that ALWAYS reads 25°C or the temperature defined below.
+ *   999 : Dummy Table that ALWAYS reads 100°C or the temperature defined below.
+ *
+ * :{ '0': "Not used", '1':"100k / 4.7k - EPCOS", '2':"200k / 4.7k - ATC Semitec 204GT-2", '3':"Mendel-parts / 4.7k", '4':"10k !! do not use for a hotend. Bad resolution at high temp. !!", '5':"100K / 4.7k - ATC Semitec 104GT-2 (Used in ParCan & J-Head)", '6':"100k / 4.7k EPCOS - Not as accurate as Table 1", '7':"100k / 4.7k Honeywell 135-104LAG-J01", '8':"100k / 4.7k 0603 SMD Vishay NTCS0603E3104FXT", '9':"100k / 4.7k GE Sensing AL03006-58.2K-97-G1", '10':"100k / 4.7k RS 198-961", '11':"100k / 4.7k beta 3950 1%", '12':"100k / 4.7k 0603 SMD Vishay NTCS0603E3104FXT (calibrated for Makibox hot bed)", '13':"100k Hisens 3950  1% up to 300°C for hotend 'Simple ONE ' & hotend 'All In ONE'", '20':"PT100 (Ultimainboard V2.x)", '51':"100k / 1k - EPCOS", '52':"200k / 1k - ATC Semitec 204GT-2", '55':"100k / 1k - ATC Semitec 104GT-2 (Used in ParCan & J-Head)", '60':"100k Maker's Tool Works Kapton Bed Thermistor beta=3950", '66':"Dyze Design 4.7M High Temperature thermistor", '70':"the 100K thermistor found in the bq Hephestos 2", '71':"100k / 4.7k Honeywell 135-104LAF-J01", '147':"Pt100 / 4.7k", '1047':"Pt1000 / 4.7k", '110':"Pt100 / 1k (non-standard)", '1010':"Pt1000 / 1k (non standard)", '-3':"Thermocouple + MAX31855 (only for sensor 0)", '-2':"Thermocouple + MAX6675 (only for sensor 0)", '-1':"Thermocouple + AD595",'998':"Dummy 1", '999':"Dummy 2" }
+ */
+#define TEMP_SENSOR_0 1
+#define TEMP_SENSOR_1 0
+#define TEMP_SENSOR_2 0
+#define TEMP_SENSOR_3 0
+#define TEMP_SENSOR_BED 0
+
+// Dummy thermistor constant temperature readings, for use with 998 and 999
+#define DUMMY_THERMISTOR_998_VALUE 25
+#define DUMMY_THERMISTOR_999_VALUE 100
+
+// Use temp sensor 1 as a redundant sensor with sensor 0. If the readings
+// from the two sensors differ too much the print will be aborted.
+//#define TEMP_SENSOR_1_AS_REDUNDANT
+#define MAX_REDUNDANT_TEMP_SENSOR_DIFF 10
+
+// Extruder temperature must be close to target for this long before M109 returns success
+#define TEMP_RESIDENCY_TIME 10  // (seconds)
+#define TEMP_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
+#define TEMP_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+
+// Bed temperature must be close to target for this long before M190 returns success
+#define TEMP_BED_RESIDENCY_TIME 10  // (seconds)
+#define TEMP_BED_HYSTERESIS 3       // (degC) range of +/- temperatures considered "close" to the target one
+#define TEMP_BED_WINDOW     1       // (degC) Window around target to start the residency timer x degC early.
+
+// The minimal temperature defines the temperature below which the heater will not be enabled It is used
+// to check that the wiring to the thermistor is not broken.
+// Otherwise this would lead to the heater being powered on all the time.
+#define HEATER_0_MINTEMP 5
+#define HEATER_1_MINTEMP 5
+#define HEATER_2_MINTEMP 5
+#define HEATER_3_MINTEMP 5
+#define BED_MINTEMP 5
+
+// When temperature exceeds max temp, your heater will be switched off.
+// This feature exists to protect your hotend from overheating accidentally, but *NOT* from thermistor short/failure!
+// You should use MINTEMP for thermistor short/failure protection.
+#define HEATER_0_MAXTEMP 275
+#define HEATER_1_MAXTEMP 275
+#define HEATER_2_MAXTEMP 275
+#define HEATER_3_MAXTEMP 275
+#define BED_MAXTEMP 150
+
+//===========================================================================
+//============================= PID Settings ================================
+//===========================================================================
+// PID Tuning Guide here: http://reprap.org/wiki/PID_Tuning
+
+// Comment the following line to disable PID and enable bang-bang.
+#define PIDTEMP
+#define BANG_MAX 255 // limits current to nozzle while in bang-bang mode; 255=full current
+#define PID_MAX BANG_MAX // limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
+#if ENABLED(PIDTEMP)
+  //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
+  //#define PID_DEBUG // Sends debug data to the serial port.
+  //#define PID_OPENLOOP 1 // Puts PID in open loop. M104/M140 sets the output power from 0 to PID_MAX
+  //#define SLOW_PWM_HEATERS // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
+  //#define PID_PARAMS_PER_HOTEND // Uses separate PID parameters for each extruder (useful for mismatched extruders)
+                                  // Set/get with gcode: M301 E[extruder number, 0-2]
+  #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
+                                  // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
+  #define K1 0.95 //smoothing factor within the PID
+
+  // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it
+  // Ultimaker
+  #define  DEFAULT_Kp 22.2
+  #define  DEFAULT_Ki 1.08
+  #define  DEFAULT_Kd 114
+
+  // MakerGear
+  //#define  DEFAULT_Kp 7.0
+  //#define  DEFAULT_Ki 0.1
+  //#define  DEFAULT_Kd 12
+
+  // Mendel Parts V9 on 12V
+  //#define  DEFAULT_Kp 63.0
+  //#define  DEFAULT_Ki 2.25
+  //#define  DEFAULT_Kd 440
+
+#endif // PIDTEMP
+
+//===========================================================================
+//============================= PID > Bed Temperature Control ===============
+//===========================================================================
+// Select PID or bang-bang with PIDTEMPBED. If bang-bang, BED_LIMIT_SWITCHING will enable hysteresis
+//
+// Uncomment this to enable PID on the bed. It uses the same frequency PWM as the extruder.
+// If your PID_dT is the default, and correct for your hardware/configuration, that means 7.689Hz,
+// which is fine for driving a square wave into a resistive load and does not significantly impact you FET heating.
+// This also works fine on a Fotek SSR-10DA Solid State Relay into a 250W heater.
+// If your configuration is significantly different than this and you don't understand the issues involved, you probably
+// shouldn't use bed PID until someone else verifies your hardware works.
+// If this is enabled, find your own PID constants below.
+//#define PIDTEMPBED
+
+//#define BED_LIMIT_SWITCHING
+
+// This sets the max power delivered to the bed, and replaces the HEATER_BED_DUTY_CYCLE_DIVIDER option.
+// all forms of bed control obey this (PID, bang-bang, bang-bang with hysteresis)
+// setting this to anything other than 255 enables a form of PWM to the bed just like HEATER_BED_DUTY_CYCLE_DIVIDER did,
+// so you shouldn't use it unless you are OK with PWM on your bed.  (see the comment on enabling PIDTEMPBED)
+#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
+
+#if ENABLED(PIDTEMPBED)
+
+  //#define PID_BED_DEBUG // Sends debug data to the serial port.
+
+  //120V 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  //from FOPDT model - kp=.39 Tp=405 Tdead=66, Tc set to 79.2, aggressive factor of .15 (vs .1, 1, 10)
+  #define  DEFAULT_bedKp 10.00
+  #define  DEFAULT_bedKi .023
+  #define  DEFAULT_bedKd 305.4
+
+  //120V 250W silicone heater into 4mm borosilicate (MendelMax 1.5+)
+  //from pidautotune
+  //#define  DEFAULT_bedKp 97.1
+  //#define  DEFAULT_bedKi 1.41
+  //#define  DEFAULT_bedKd 1675.16
+
+  // FIND YOUR OWN: "M303 E-1 C8 S90" to run autotune on the bed at 90 degreesC for 8 cycles.
+#endif // PIDTEMPBED
+
+// @section extruder
+
+// This option prevents extrusion if the temperature is below EXTRUDE_MINTEMP.
+// It also enables the M302 command to set the minimum extrusion temperature
+// or to allow moving the extruder regardless of the hotend temperature.
+// *** IT IS HIGHLY RECOMMENDED TO LEAVE THIS OPTION ENABLED! ***
+#define PREVENT_COLD_EXTRUSION
+#define EXTRUDE_MINTEMP 170
+
+// This option prevents a single extrusion longer than EXTRUDE_MAXLENGTH.
+// Note that for Bowden Extruders a too-small value here may prevent loading.
+#define PREVENT_LENGTHY_EXTRUDE
+#define EXTRUDE_MAXLENGTH 200
+
+//===========================================================================
+//======================== Thermal Runaway Protection =======================
+//===========================================================================
+
+/**
+ * Thermal Protection protects your printer from damage and fire if a
+ * thermistor falls out or temperature sensors fail in any way.
+ *
+ * The issue: If a thermistor falls out or a temperature sensor fails,
+ * Marlin can no longer sense the actual temperature. Since a disconnected
+ * thermistor reads as a low temperature, the firmware will keep the heater on.
+ *
+ * If you get "Thermal Runaway" or "Heating failed" errors the
+ * details can be tuned in Configuration_adv.h
+ */
+
+#define THERMAL_PROTECTION_HOTENDS // Enable thermal protection for all extruders
+#define THERMAL_PROTECTION_BED     // Enable thermal protection for the heated bed
+
+//===========================================================================
+//============================= Mechanical Settings =========================
+//===========================================================================
+
+// @section machine
+
+// Uncomment one of these options to enable CoreXY, CoreXZ, or CoreYZ kinematics
+// either in the usual order or reversed
+//#define COREXY
+//#define COREXZ
+//#define COREYZ
+//#define COREYX
+//#define COREZX
+//#define COREZY
+
+// Enable this option for Toshiba steppers
+//#define CONFIG_STEPPERS_TOSHIBA
+
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
+// @section homing
+
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
+// coarse Endstop Settings
+#define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
+
+#if DISABLED(ENDSTOPPULLUPS)
+  // fine endstop settings: Individual pullups. will be ignored if ENDSTOPPULLUPS is defined
+  //#define ENDSTOPPULLUP_XMAX
+  //#define ENDSTOPPULLUP_YMAX
+  //#define ENDSTOPPULLUP_ZMAX
+  //#define ENDSTOPPULLUP_XMIN
+  //#define ENDSTOPPULLUP_YMIN
+  //#define ENDSTOPPULLUP_ZMIN
+  //#define ENDSTOPPULLUP_ZMIN_PROBE
+#endif
+
+// Mechanical endstop with COM to ground and NC to Signal uses "false" here (most common setup).
+#define X_MIN_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Y_MIN_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Z_MIN_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define X_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Y_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Z_MAX_ENDSTOP_INVERTING false // set to true to invert the logic of the endstop.
+#define Z_MIN_PROBE_ENDSTOP_INVERTING false // set to true to invert the logic of the probe.
+
+// Enable this feature if all enabled endstop pins are interrupt-capable.
+// This will remove the need to poll the interrupt pins, saving many CPU cycles.
+//#define ENDSTOP_INTERRUPTS_FEATURE
+
+//=============================================================================
+//============================== Movement Settings ============================
+//=============================================================================
+// @section motion
+
+/**
+ * Default Settings
+ *
+ * These settings can be reset by M502
+ *
+ * You can set distinct factors for each E stepper, if needed.
+ * If fewer factors are given, the last will apply to the rest.
+ *
+ * Note that if EEPROM is enabled, saved values will override these.
+ */
+
+/**
+ * Default Axis Steps Per Unit (steps/mm)
+ * Override with M92
+ *                                      X, Y, Z, E0 [, E1[, E2[, E3]]]
+ */
+#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 4000, 500 }
+
+/**
+ * Default Max Feed Rate (mm/s)
+ * Override with M203
+ *                                      X, Y, Z, E0 [, E1[, E2[, E3]]]
+ */
+#define DEFAULT_MAX_FEEDRATE          { 300, 300, 5, 25 }
+
+/**
+ * Default Max Acceleration (change/s) change = mm/s
+ * (Maximum start speed for accelerated moves)
+ * Override with M201
+ *                                      X, Y, Z, E0 [, E1[, E2[, E3]]]
+ */
+#define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
+
+
+/**
+ * Default Acceleration (change/s) change = mm/s
+ * Override with M204
+ *
+ *   M204 P    Acceleration
+ *   M204 R    Retract Acceleration
+ *   M204 T    Travel Acceleration
+ */
+#define DEFAULT_ACCELERATION          3000    // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_RETRACT_ACCELERATION  3000    // E acceleration for retracts
+#define DEFAULT_TRAVEL_ACCELERATION   3000    // X, Y, Z acceleration for travel (non printing) moves
+
+/**
+ * Default Jerk (mm/s)
+ * Override with M205 X Y Z E
+ *
+ * "Jerk" specifies the minimum speed change that requires acceleration.
+ * When changing speed and direction, if the difference is less than the
+ * value set here, it may happen instantaneously.
+ */
+#define DEFAULT_XJERK                 20.0
+#define DEFAULT_YJERK                 20.0
+#define DEFAULT_ZJERK                  0.4
+#define DEFAULT_EJERK                  5.0
+
+
+//===========================================================================
+//============================= Z Probe Options =============================
+//===========================================================================
+// @section probes
+
+//
+// Probe Type
+// Probes are sensors/switches that are activated / deactivated before/after use.
+//
+// Allen Key Probes, Servo Probes, Z-Sled Probes, FIX_MOUNTED_PROBE, etc.
+// You must activate one of these to use Auto Bed Leveling below.
+//
+// Use M851 to set the Z probe vertical offset from the nozzle. Store with M500.
+//
+
+// A Fix-Mounted Probe either doesn't deploy or needs manual deployment.
+// For example an inductive probe, or a setup that uses the nozzle to probe.
+// An inductive probe must be deactivated to go below
+// its trigger-point if hardware endstops are active.
+//#define FIX_MOUNTED_PROBE
+
+// The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
+//#define BLTOUCH
+
+// Z Servo Probe, such as an endstop switch on a rotating arm.
+//#define Z_ENDSTOP_SERVO_NR 0
+//#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles
+
+// Enable if you have a Z probe mounted on a sled like those designed by Charles Bell.
+//#define Z_PROBE_SLED
+//#define SLED_DOCKING_OFFSET 5 // The extra distance the X axis must travel to pickup the sled. 0 should be fine but you can push it further if you'd like.
+
+// Z Probe to nozzle (X,Y) offset, relative to (0, 0).
+// X and Y offsets must be integers.
+//
+// In the following example the X and Y offsets are both positive:
+// #define X_PROBE_OFFSET_FROM_EXTRUDER 10
+// #define Y_PROBE_OFFSET_FROM_EXTRUDER 10
+//
+//    +-- BACK ---+
+//    |           |
+//  L |    (+) P  | R <-- probe (20,20)
+//  E |           | I
+//  F | (-) N (+) | G <-- nozzle (10,10)
+//  T |           | H
+//    |    (-)    | T
+//    |           |
+//    O-- FRONT --+
+//  (0,0)
+#define X_PROBE_OFFSET_FROM_EXTRUDER 10  // X offset: -left  +right  [of the nozzle]
+#define Y_PROBE_OFFSET_FROM_EXTRUDER 10  // Y offset: -front +behind [the nozzle]
+#define Z_PROBE_OFFSET_FROM_EXTRUDER 0   // Z offset: -below +above  [the nozzle]
+
+// X and Y axis travel speed (mm/m) between probes
+#define XY_PROBE_SPEED 8000
+// Speed for the first approach when double-probing (with PROBE_DOUBLE_TOUCH)
+#define Z_PROBE_SPEED_FAST HOMING_FEEDRATE_Z
+// Speed for the "accurate" probe of each point
+#define Z_PROBE_SPEED_SLOW (Z_PROBE_SPEED_FAST / 2)
+// Use double touch for probing
+//#define PROBE_DOUBLE_TOUCH
+
+//
+// Allen Key Probe is defined in the Delta example configurations.
+//
+
+// *** PLEASE READ ALL INSTRUCTIONS BELOW FOR SAFETY! ***
+//
+// To continue using the Z-min-endstop for homing, be sure to disable Z_SAFE_HOMING.
+// Example: To park the head outside the bed area when homing with G28.
+//
+// To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
+//
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
+//
+// - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
+// - Use 5V for powered (usu. inductive) sensors.
+// - Otherwise connect:
+//   - normally-closed switches to GND and D32.
+//   - normally-open switches to 5V and D32.
+//
+// Normally-closed switches are advised and are the default.
+//
+
+//
+// The Z_MIN_PROBE_PIN sets the Arduino pin to use. (See your board's pins file.)
+// Since the RAMPS Aux4->D32 pin maps directly to the Arduino D32 pin, D32 is the
+// default pin for all RAMPS-based boards. Most boards use the X_MAX_PIN by default.
+// To use a different pin you can override it here.
+//
+// WARNING:
+// Setting the wrong pin may have unexpected and potentially disastrous consequences.
+// Use with caution and do your homework.
+//
+//#define Z_MIN_PROBE_PIN X_MAX_PIN
+
+//
+// Enable Z_MIN_PROBE_ENDSTOP to use _both_ a Z Probe and a Z-min-endstop on the same machine.
+// With this option the Z_MIN_PROBE_PIN will only be used for probing, never for homing.
+//
+//#define Z_MIN_PROBE_ENDSTOP
+
+// Enable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN to use the Z_MIN_PIN for your Z_MIN_PROBE.
+// The Z_MIN_PIN will then be used for both Z-homing and probing.
+#define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
+
+// To use a probe you must enable one of the two options above!
+
+// Enable Z Probe Repeatability test to see how accurate your probe is
+//#define Z_MIN_PROBE_REPEATABILITY_TEST
+
+/**
+ * Z probes require clearance when deploying, stowing, and moving between
+ * probe points to avoid hitting the bed and other hardware.
+ * Servo-mounted probes require extra space for the arm to rotate.
+ * Inductive probes need space to keep from triggering early.
+ *
+ * Use these settings to specify the distance (mm) to raise the probe (or
+ * lower the bed). The values set here apply over and above any (negative)
+ * probe Z Offset set with Z_PROBE_OFFSET_FROM_EXTRUDER, M851, or the LCD.
+ * Only integer values >= 1 are valid here.
+ *
+ * Example: `M851 Z-5` with a CLEARANCE of 4  =>  9mm from bed to nozzle.
+ *     But: `M851 Z+1` with a CLEARANCE of 2  =>  2mm from bed to nozzle.
+ */
+#define Z_CLEARANCE_DEPLOY_PROBE   10 // Z Clearance for Deploy/Stow
+#define Z_CLEARANCE_BETWEEN_PROBES  5 // Z Clearance between probe points
+
+//
+// For M851 give a range for adjusting the Z probe offset
+//
+#define Z_PROBE_OFFSET_RANGE_MIN -20
+#define Z_PROBE_OFFSET_RANGE_MAX 20
+
+// For Inverting Stepper Enable Pins (Active Low) use 0, Non Inverting (Active High) use 1
+// :{ 0:'Low', 1:'High' }
+#define X_ENABLE_ON 0
+#define Y_ENABLE_ON 0
+#define Z_ENABLE_ON 0
+#define E_ENABLE_ON 0 // For all extruders
+
+// Disables axis stepper immediately when it's not being used.
+// WARNING: When motors turn off there is a chance of losing position accuracy!
+#define DISABLE_X false
+#define DISABLE_Y false
+#define DISABLE_Z false
+// Warn on display about possibly reduced accuracy
+//#define DISABLE_REDUCED_ACCURACY_WARNING
+
+// @section extruder
+
+#define DISABLE_E false // For all extruders
+#define DISABLE_INACTIVE_EXTRUDER true //disable only inactive extruders and keep active extruder enabled
+
+// @section machine
+
+// Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
+#define INVERT_X_DIR false
+#define INVERT_Y_DIR true
+#define INVERT_Z_DIR false
+
+// @section extruder
+
+// For direct drive extruder v9 set to true, for geared extruder set to false.
+#define INVERT_E0_DIR false
+#define INVERT_E1_DIR false
+#define INVERT_E2_DIR false
+#define INVERT_E3_DIR false
+
+// @section homing
+
+//#define Z_HOMING_HEIGHT 4  // (in mm) Minimal z height before homing (G28) for Z clearance above the bed, clamps, ...
+                             // Be sure you have this distance over your Z_MAX_POS in case.
+
+// Direction of endstops when homing; 1=MAX, -1=MIN
+// :[-1,1]
+#define X_HOME_DIR -1
+#define Y_HOME_DIR -1
+#define Z_HOME_DIR -1
+
+// @section machine
+
+// Travel limits after homing (units are in mm)
+#define X_MIN_POS 0
+#define Y_MIN_POS 0
+#define Z_MIN_POS 0
+#define X_MAX_POS 200
+#define Y_MAX_POS 200
+#define Z_MAX_POS 200
+
+// If enabled, axes won't move below MIN_POS in response to movement commands.
+#define MIN_SOFTWARE_ENDSTOPS
+// If enabled, axes won't move above MAX_POS in response to movement commands.
+#define MAX_SOFTWARE_ENDSTOPS
+
+/**
+ * Filament Runout Sensor
+ * A mechanical or opto endstop is used to check for the presence of filament.
+ *
+ * RAMPS-based boards use SERVO3_PIN.
+ * For other boards you may need to define FIL_RUNOUT_PIN.
+ * By default the firmware assumes HIGH = has filament, LOW = ran out
+ */
+//#define FILAMENT_RUNOUT_SENSOR
+#if ENABLED(FILAMENT_RUNOUT_SENSOR)
+  #define FIL_RUNOUT_INVERTING false // set to true to invert the logic of the sensor.
+  #define ENDSTOPPULLUP_FIL_RUNOUT // Uncomment to use internal pullup for filament runout pins if the sensor is defined.
+  #define FILAMENT_RUNOUT_SCRIPT "M600"
+#endif
+
+//===========================================================================
+//=============================== Bed Leveling ==============================
+//==========================================================================
+// @section bedlevel
+
+/**
+ * Select one form of Auto Bed Leveling below.
+ *
+ *  If you're also using the Probe for Z Homing, it's
+ *  highly recommended to enable Z_SAFE_HOMING also!
+ *
+ * - 3POINT
+ *   Probe 3 arbitrary points on the bed (that aren't collinear)
+ *   You specify the XY coordinates of all 3 points.
+ *   The result is a single tilted plane. Best for a flat bed.
+ *
+ * - LINEAR
+ *   Probe several points in a grid.
+ *   You specify the rectangle and the density of sample points.
+ *   The result is a single tilted plane. Best for a flat bed.
+ *
+ * - BILINEAR
+ *   Probe several points in a grid.
+ *   You specify the rectangle and the density of sample points.
+ *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
+ */
+//#define AUTO_BED_LEVELING_3POINT
+//#define AUTO_BED_LEVELING_LINEAR
+//#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
+
+
+/**
+ * Enable detailed logging of G28, G29, M48, etc.
+ * Turn on with the command 'M111 S32'.
+ * NOTE: Requires a lot of PROGMEM!
+ */
+//#define DEBUG_LEVELING_FEATURE
+
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
+#if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
+
+  // Set the number of grid points per dimension.
+  #define ABL_GRID_MAX_POINTS_X 3
+  #define ABL_GRID_MAX_POINTS_Y ABL_GRID_MAX_POINTS_X
+
+  // Set the boundaries for probing (where the probe can reach).
+  #define LEFT_PROBE_BED_POSITION 15
+  #define RIGHT_PROBE_BED_POSITION 170
+  #define FRONT_PROBE_BED_POSITION 20
+  #define BACK_PROBE_BED_POSITION 170
+
+  // The Z probe minimum outer margin (to validate G29 parameters).
+  #define MIN_PROBE_EDGE 10
+
+  // Probe along the Y axis, advancing X after each column
+  //#define PROBE_Y_FIRST
+
+  #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
+
+    //
+    // Experimental Subdivision of the grid by Catmull-Rom method.
+    // Synthesizes intermediate points to produce a more detailed mesh.
+    //
+    //#define ABL_BILINEAR_SUBDIVISION
+    #if ENABLED(ABL_BILINEAR_SUBDIVISION)
+      // Number of subdivisions between probe points
+      #define BILINEAR_SUBDIVISIONS 3
+    #endif
+
+  #endif
+
+#elif ENABLED(AUTO_BED_LEVELING_3POINT)
+
+  // 3 arbitrary points to probe.
+  // A simple cross-product is used to estimate the plane of the bed.
+
+  #define ABL_PROBE_PT_1_X 15
+  #define ABL_PROBE_PT_1_Y 180
+  #define ABL_PROBE_PT_2_X 15
+  #define ABL_PROBE_PT_2_Y 20
+  #define ABL_PROBE_PT_3_X 170
+  #define ABL_PROBE_PT_3_Y 20
+
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
+
+/**
+ * Commands to execute at the end of G29 probing.
+ * Useful to retract or move the Z probe out of the way.
+ */
+//#define Z_PROBE_END_SCRIPT "G1 Z10 F12000\nG1 X15 Y330\nG1 Z0.5\nG1 Z10"
+
+
+// @section homing
+
+// The center of the bed is at (X=0, Y=0)
+//#define BED_CENTER_AT_0_0
+
+// Manually set the home position. Leave these undefined for automatic settings.
+// For DELTA this is the top-center of the Cartesian print volume.
+//#define MANUAL_X_HOME_POS 0
+//#define MANUAL_Y_HOME_POS 0
+//#define MANUAL_Z_HOME_POS 0
+
+// Use "Z Safe Homing" to avoid homing with a Z probe outside the bed area.
+//
+// With this feature enabled:
+//
+// - Allow Z homing only after X and Y homing AND stepper drivers still enabled.
+// - If stepper drivers time out, it will need X and Y homing again before Z homing.
+// - Move the Z probe (or nozzle) to a defined XY point before Z Homing when homing all axes (G28).
+// - Prevent Z homing when the Z probe is outside bed area.
+//#define Z_SAFE_HOMING
+
+#if ENABLED(Z_SAFE_HOMING)
+  #define Z_SAFE_HOMING_X_POINT ((X_MIN_POS + X_MAX_POS) / 2)    // X point for Z homing when homing all axis (G28).
+  #define Z_SAFE_HOMING_Y_POINT ((Y_MIN_POS + Y_MAX_POS) / 2)    // Y point for Z homing when homing all axis (G28).
+#endif
+
+// Homing speeds (mm/m)
+#define HOMING_FEEDRATE_XY (50*60)
+#define HOMING_FEEDRATE_Z  (4*60)
+
+//=============================================================================
+//============================= Additional Features ===========================
+//=============================================================================
+
+// @section extras
+
+//
+// EEPROM
+//
+// The microcontroller can store settings in the EEPROM, e.g. max velocity...
+// M500 - stores parameters in EEPROM
+// M501 - reads parameters from EEPROM (if you need reset them after you changed them temporarily).
+// M502 - reverts to the default "factory settings".  You still need to store them in EEPROM afterwards if you want to.
+//define this to enable EEPROM support
+//#define EEPROM_SETTINGS
+
+#if ENABLED(EEPROM_SETTINGS)
+  // To disable EEPROM Serial responses and decrease program space by ~1700 byte: comment this out:
+  #define EEPROM_CHITCHAT // Please keep turned on if you can.
+#endif
+
+//
+// Host Keepalive
+//
+// When enabled Marlin will send a busy status message to the host
+// every couple of seconds when it can't accept commands.
+//
+#define HOST_KEEPALIVE_FEATURE        // Disable this if your host doesn't like keepalive messages
+#define DEFAULT_KEEPALIVE_INTERVAL 2  // Number of seconds between "busy" messages. Set with M113.
+
+//
+// M100 Free Memory Watcher
+//
+//#define M100_FREE_MEMORY_WATCHER // uncomment to add the M100 Free Memory Watcher for debug purpose
+
+//
+// G20/G21 Inch mode support
+//
+//#define INCH_MODE_SUPPORT
+
+//
+// M149 Set temperature units support
+//
+//#define TEMPERATURE_UNITS_SUPPORT
+
+// @section temperature
+
+// Preheat Constants
+#define PREHEAT_1_TEMP_HOTEND 180
+#define PREHEAT_1_TEMP_BED     70
+#define PREHEAT_1_FAN_SPEED     0 // Value from 0 to 255
+
+#define PREHEAT_2_TEMP_HOTEND 240
+#define PREHEAT_2_TEMP_BED    110
+#define PREHEAT_2_FAN_SPEED     0 // Value from 0 to 255
+
+//
+// Nozzle Park -- EXPERIMENTAL
+//
+// When enabled allows the user to define a special XYZ position, inside the
+// machine's topology, to park the nozzle when idle or when receiving the G27
+// command.
+//
+// The "P" paramenter controls what is the action applied to the Z axis:
+//    P0: (Default) If current Z-pos is lower than Z-park then the nozzle will
+//        be raised to reach Z-park height.
+//
+//    P1: No matter the current Z-pos, the nozzle will be raised/lowered to
+//        reach Z-park height.
+//
+//    P2: The nozzle height will be raised by Z-park amount but never going over
+//        the machine's limit of Z_MAX_POS.
+//
+//#define NOZZLE_PARK_FEATURE
+
+#if ENABLED(NOZZLE_PARK_FEATURE)
+  // Specify a park position as { X, Y, Z }
+  #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
+#endif
+
+//
+// Clean Nozzle Feature -- EXPERIMENTAL
+//
+// When enabled allows the user to send G12 to start the nozzle cleaning
+// process, the G-Code accepts two parameters:
+//   "P" for pattern selection
+//   "S" for defining the number of strokes/repetitions
+//
+// Available list of patterns:
+//   P0: This is the default pattern, this process requires a sponge type
+//       material at a fixed bed location. S defines "strokes" i.e.
+//       back-and-forth movements between the starting and end points.
+//
+//   P1: This starts a zig-zag pattern between (X0, Y0) and (X1, Y1), "T"
+//       defines the number of zig-zag triangles to be done. "S" defines the
+//       number of strokes aka one back-and-forth movement. Zig-zags will
+//       be performed in whichever dimension is smallest. As an example,
+//       sending "G12 P1 S1 T3" will execute:
+//
+//          --
+//         |  (X0, Y1) |     /\        /\        /\     | (X1, Y1)
+//         |           |    /  \      /  \      /  \    |
+//       A |           |   /    \    /    \    /    \   |
+//         |           |  /      \  /      \  /      \  |
+//         |  (X0, Y0) | /        \/        \/        \ | (X1, Y0)
+//          --         +--------------------------------+
+//                       |________|_________|_________|
+//                           T1        T2        T3
+//
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
+// Caveats: End point Z should use the same value as Start point Z.
+//
+// Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
+// may change to add new functionality like different wipe patterns.
+//
+//#define NOZZLE_CLEAN_FEATURE
+
+#if ENABLED(NOZZLE_CLEAN_FEATURE)
+  // Default number of pattern repetitions
+  #define NOZZLE_CLEAN_STROKES  12
+
+  // Default number of triangles
+  #define NOZZLE_CLEAN_TRIANGLES  3
+
+  // Specify positions as { X, Y, Z }
+  #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
+  #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
+
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
+  // Moves the nozzle to the initial position
+  #define NOZZLE_CLEAN_GOBACK
+#endif
+
+//
+// Print job timer
+//
+// Enable this option to automatically start and stop the
+// print job timer when M104/M109/M190 commands are received.
+// M104 (extruder without wait) - high temp = none, low temp = stop timer
+// M109 (extruder with wait) - high temp = start timer, low temp = stop timer
+// M190 (bed with wait) - high temp = start timer, low temp = none
+//
+// In all cases the timer can be started and stopped using
+// the following commands:
+//
+// - M75  - Start the print job timer
+// - M76  - Pause the print job timer
+// - M77  - Stop the print job timer
+#define PRINTJOB_TIMER_AUTOSTART
+
+//
+// Print Counter
+//
+// When enabled Marlin will keep track of some print statistical data such as:
+//  - Total print jobs
+//  - Total successful print jobs
+//  - Total failed print jobs
+//  - Total time printing
+//
+// This information can be viewed by the M78 command.
+//#define PRINTCOUNTER
+
+//=============================================================================
+//============================= LCD and SD support ============================
+//=============================================================================
+
+// @section lcd
+
+//
+// LCD LANGUAGE
+//
+// Here you may choose the language used by Marlin on the LCD menus, the following
+// list of languages are available:
+//    en, an, bg, ca, cn, cz, de, el, el-gr, es, eu, fi, fr, gl, hr, it,
+//    kana, kana_utf8, nl, pl, pt, pt_utf8, pt-br, pt-br_utf8, ru, tr, uk, test
+//
+// :{ 'en':'English', 'an':'Aragonese', 'bg':'Bulgarian', 'ca':'Catalan', 'cn':'Chinese', 'cz':'Czech', 'de':'German', 'el':'Greek', 'el-gr':'Greek (Greece)', 'es':'Spanish', 'eu':'Basque-Euskera', 'fi':'Finnish', 'fr':'French', 'gl':'Galician', 'hr':'Croatian', 'it':'Italian', 'kana':'Japanese', 'kana_utf8':'Japanese (UTF8)', 'nl':'Dutch', 'pl':'Polish', 'pt':'Portuguese', 'pt-br':'Portuguese (Brazilian)', 'pt-br_utf8':'Portuguese (Brazilian UTF8)', 'pt_utf8':'Portuguese (UTF8)', 'ru':'Russian', 'tr':'Turkish', 'uk':'Ukrainian', 'test':'TEST' }
+//
+#define LCD_LANGUAGE en
+
+//
+// LCD Character Set
+//
+// Note: This option is NOT applicable to Graphical Displays.
+//
+// All character-based LCD's provide ASCII plus one of these
+// language extensions:
+//
+//  - JAPANESE ... the most common
+//  - WESTERN  ... with more accented characters
+//  - CYRILLIC ... for the Russian language
+//
+// To determine the language extension installed on your controller:
+//
+//  - Compile and upload with LCD_LANGUAGE set to 'test'
+//  - Click the controller to view the LCD menu
+//  - The LCD will display Japanese, Western, or Cyrillic text
+//
+// See https://github.com/MarlinFirmware/Marlin/wiki/LCD-Language
+//
+// :['JAPANESE', 'WESTERN', 'CYRILLIC']
+//
+#define DISPLAY_CHARSET_HD44780 JAPANESE
+
+//
+// LCD TYPE
+//
+// You may choose ULTRA_LCD if you have character based LCD with 16x2, 16x4, 20x2,
+// 20x4 char/lines or DOGLCD for the full graphics display with 128x64 pixels
+// (ST7565R family). (This option will be set automatically for certain displays.)
+//
+// IMPORTANT NOTE: The U8glib library is required for Full Graphic Display!
+//                 https://github.com/olikraus/U8glib_Arduino
+//
+//#define ULTRA_LCD   // Character based
+//#define DOGLCD      // Full graphics display
+
+//
+// SD CARD
+//
+// SD Card support is disabled by default. If your controller has an SD slot,
+// you must uncomment the following option or it won't work.
+//
+//#define SDSUPPORT
+
+//
+// SD CARD: SPI SPEED
+//
+// Uncomment ONE of the following items to use a slower SPI transfer
+// speed. This is usually required if you're getting volume init errors.
+//
+//#define SPI_SPEED SPI_HALF_SPEED
+//#define SPI_SPEED SPI_QUARTER_SPEED
+//#define SPI_SPEED SPI_EIGHTH_SPEED
+
+//
+// SD CARD: ENABLE CRC
+//
+// Use CRC checks and retries on the SD communication.
+//
+//#define SD_CHECK_AND_RETRY
+
+//
+// ENCODER SETTINGS
+//
+// This option overrides the default number of encoder pulses needed to
+// produce one step. Should be increased for high-resolution encoders.
+//
+//#define ENCODER_PULSES_PER_STEP 1
+
+//
+// Use this option to override the number of step signals required to
+// move between next/prev menu items.
+//
+//#define ENCODER_STEPS_PER_MENU_ITEM 5
+
+/**
+ * Encoder Direction Options
+ *
+ * Test your encoder's behavior first with both options disabled.
+ *
+ *  Reversed Value Edit and Menu Nav? Enable REVERSE_ENCODER_DIRECTION.
+ *  Reversed Menu Navigation only?    Enable REVERSE_MENU_DIRECTION.
+ *  Reversed Value Editing only?      Enable BOTH options.
+ */
+
+//
+// This option reverses the encoder direction everywhere
+//
+//  Set this option if CLOCKWISE causes values to DECREASE
+//
+//#define REVERSE_ENCODER_DIRECTION
+
+//
+// This option reverses the encoder direction for navigating LCD menus.
+//
+//  If CLOCKWISE normally moves DOWN this makes it go UP.
+//  If CLOCKWISE normally moves UP this makes it go DOWN.
+//
+//#define REVERSE_MENU_DIRECTION
+
+//
+// Individual Axis Homing
+//
+// Add individual axis homing items (Home X, Home Y, and Home Z) to the LCD menu.
+//
+//#define INDIVIDUAL_AXIS_HOMING_MENU
+
+//
+// SPEAKER/BUZZER
+//
+// If you have a speaker that can produce tones, enable it here.
+// By default Marlin assumes you have a buzzer with a fixed frequency.
+//
+//#define SPEAKER
+
+//
+// The duration and frequency for the UI feedback sound.
+// Set these to 0 to disable audio feedback in the LCD menus.
+//
+// Note: Test audio output with the G-Code:
+//  M300 S<frequency Hz> P<duration ms>
+//
+//#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100
+//#define LCD_FEEDBACK_FREQUENCY_HZ 1000
+
+//
+// CONTROLLER TYPE: Standard
+//
+// Marlin supports a wide variety of controllers.
+// Enable one of the following options to specify your controller.
+//
+
+//
+// ULTIMAKER Controller.
+//
+//#define ULTIMAKERCONTROLLER
+
+//
+// ULTIPANEL as seen on Thingiverse.
+//
+//#define ULTIPANEL
+
+//
+// Cartesio UI
+// http://mauk.cc/webshop/cartesio-shop/electronics/user-interface
+//
+//#define CARTESIO_UI
+
+//
+// PanelOne from T3P3 (via RAMPS 1.4 AUX2/AUX3)
+// http://reprap.org/wiki/PanelOne
+//
+//#define PANEL_ONE
+
+//
+// MaKr3d Makr-Panel with graphic controller and SD support.
+// http://reprap.org/wiki/MaKr3d_MaKrPanel
+//
+//#define MAKRPANEL
+
+//
+// ReprapWorld Graphical LCD
+// https://reprapworld.com/?products_details&products_id/1218
+//
+//#define REPRAPWORLD_GRAPHICAL_LCD
+
+//
+// Activate one of these if you have a Panucatt Devices
+// Viki 2.0 or mini Viki with Graphic LCD
+// http://panucatt.com
+//
+//#define VIKI2
+//#define miniVIKI
+
+//
+// Adafruit ST7565 Full Graphic Controller.
+// https://github.com/eboston/Adafruit-ST7565-Full-Graphic-Controller/
+//
+//#define ELB_FULL_GRAPHIC_CONTROLLER
+
+//
+// RepRapDiscount Smart Controller.
+// http://reprap.org/wiki/RepRapDiscount_Smart_Controller
+//
+// Note: Usually sold with a white PCB.
+//
+//#define REPRAP_DISCOUNT_SMART_CONTROLLER
+
+//
+// GADGETS3D G3D LCD/SD Controller
+// http://reprap.org/wiki/RAMPS_1.3/1.4_GADGETS3D_Shield_with_Panel
+//
+// Note: Usually sold with a blue PCB.
+//
+//#define G3D_PANEL
+
+//
+// RepRapDiscount FULL GRAPHIC Smart Controller
+// http://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
+//
+//#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+
+//
+// MakerLab Mini Panel with graphic
+// controller and SD support - http://reprap.org/wiki/Mini_panel
+//
+//#define MINIPANEL
+
+//
+// RepRapWorld REPRAPWORLD_KEYPAD v1.1
+// http://reprapworld.com/?products_details&products_id=202&cPath=1591_1626
+//
+// REPRAPWORLD_KEYPAD_MOVE_STEP sets how much should the robot move when a key
+// is pressed, a value of 10.0 means 10mm per click.
+//
+//#define REPRAPWORLD_KEYPAD
+//#define REPRAPWORLD_KEYPAD_MOVE_STEP 1.0
+
+//
+// RigidBot Panel V1.0
+// http://www.inventapart.com/
+//
+//#define RIGIDBOT_PANEL
+
+//
+// BQ LCD Smart Controller shipped by
+// default with the BQ Hephestos 2 and Witbox 2.
+//
+//#define BQ_LCD_SMART_CONTROLLER
+
+//
+// CONTROLLER TYPE: I2C
+//
+// Note: These controllers require the installation of Arduino's LiquidCrystal_I2C
+// library. For more info: https://github.com/kiyoshigawa/LiquidCrystal_I2C
+//
+
+//
+// Elefu RA Board Control Panel
+// http://www.elefu.com/index.php?route=product/product&product_id=53
+//
+//#define RA_CONTROL_PANEL
+
+//
+// Sainsmart YW Robot (LCM1602) LCD Display
+//
+//#define LCD_I2C_SAINSMART_YWROBOT
+
+//
+// Generic LCM1602 LCD adapter
+//
+//#define LCM1602
+
+//
+// PANELOLU2 LCD with status LEDs,
+// separate encoder and click inputs.
+//
+// Note: This controller requires Arduino's LiquidTWI2 library v1.2.3 or later.
+// For more info: https://github.com/lincomatic/LiquidTWI2
+//
+// Note: The PANELOLU2 encoder click input can either be directly connected to
+// a pin (if BTN_ENC defined to != -1) or read through I2C (when BTN_ENC == -1).
+//
+//#define LCD_I2C_PANELOLU2
+
+//
+// Panucatt VIKI LCD with status LEDs,
+// integrated click & L/R/U/D buttons, separate encoder inputs.
+//
+//#define LCD_I2C_VIKI
+
+//
+// SSD1306 OLED full graphics generic display
+//
+//#define U8GLIB_SSD1306
+
+//
+// SAV OLEd LCD module support using either SSD1306 or SH1106 based LCD modules
+//
+//#define SAV_3DGLCD
+#if ENABLED(SAV_3DGLCD)
+  //#define U8GLIB_SSD1306
+  #define U8GLIB_SH1106
+#endif
+
+//
+// CONTROLLER TYPE: Shift register panels
+//
+// 2 wire Non-latching LCD SR from https://goo.gl/aJJ4sH
+// LCD configuration: http://reprap.org/wiki/SAV_3D_LCD
+//
+//#define SAV_3DLCD
+
+//=============================================================================
+//=============================== Extra Features ==============================
+//=============================================================================
+
+// @section extras
+
+// Increase the FAN PWM frequency. Removes the PWM noise but increases heating in the FET/Arduino
+//#define FAST_PWM_FAN
+
+// Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
+// which is not as annoying as with the hardware PWM. On the other hand, if this frequency
+// is too low, you should also increment SOFT_PWM_SCALE.
+//#define FAN_SOFT_PWM
+
+// Incrementing this by 1 will double the software PWM frequency,
+// affecting heaters, and the fan if FAN_SOFT_PWM is enabled.
+// However, control resolution will be halved for each increment;
+// at zero value, there are 128 effective control positions.
+#define SOFT_PWM_SCALE 0
+
+// Temperature status LEDs that display the hotend and bed temperature.
+// If all hotends and bed temperature and temperature setpoint are < 54C then the BLUE led is on.
+// Otherwise the RED led is on. There is 1C hysteresis.
+//#define TEMP_STAT_LEDS
+
+// M240  Triggers a camera by emulating a Canon RC-1 Remote
+// Data from: http://www.doc-diy.net/photo/rc-1_hacked/
+//#define PHOTOGRAPH_PIN     23
+
+// SkeinForge sends the wrong arc g-codes when using Arc Point as fillet procedure
+//#define SF_ARC_FIX
+
+// Support for the BariCUDA Paste Extruder.
+//#define BARICUDA
+
+//define BlinkM/CyzRgb Support
+//#define BLINKM
+
+// Support for an RGB LED using 3 separate pins with optional PWM
+//#define RGB_LED
+#if ENABLED(RGB_LED)
+  #define RGB_LED_R_PIN 34
+  #define RGB_LED_G_PIN 43
+  #define RGB_LED_B_PIN 35
+#endif
+
+/*********************************************************************\
+* R/C SERVO support
+* Sponsored by TrinityLabs, Reworked by codexmas
+**********************************************************************/
+
+// Number of servos
+//
+// If you select a configuration below, this will receive a default value and does not need to be set manually
+// set it manually if you have more servos than extruders and wish to manually control some
+// leaving it undefined or defining as 0 will disable the servo subsystem
+// If unsure, leave commented / disabled
+//
+//#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
+
+// Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.
+// 300ms is a good value but you can try less delay.
+// If the servo can't reach the requested position, increase it.
+#define SERVO_DELAY 300
+
+// Servo deactivation
+//
+// With this option servos are powered only during movement, then turned off to prevent jitter.
+//#define DEACTIVATE_SERVOS_AFTER_MOVE
+
+/**********************************************************************\
+ * Support for a filament diameter sensor
+ * Also allows adjustment of diameter at print time (vs  at slicing)
+ * Single extruder only at this point (extruder 0)
+ *
+ * Motherboards
+ * 34 - RAMPS1.4 - uses Analog input 5 on the AUX2 connector
+ * 81 - Printrboard - Uses Analog input 2 on the Exp1 connector (version B,C,D,E)
+ * 301 - Rambo  - uses Analog input 3
+ * Note may require analog pins to be defined for different motherboards
+ **********************************************************************/
+// Uncomment below to enable
+//#define FILAMENT_WIDTH_SENSOR
+
+#define DEFAULT_NOMINAL_FILAMENT_DIA 3.00  //Enter the diameter (in mm) of the filament generally used (3.0 mm or 1.75 mm) - this is then used in the slicer software.  Used for sensor reading validation
+
+#if ENABLED(FILAMENT_WIDTH_SENSOR)
+  #define FILAMENT_SENSOR_EXTRUDER_NUM 0   //The number of the extruder that has the filament sensor (0,1,2)
+  #define MEASUREMENT_DELAY_CM        14   //measurement delay in cm.  This is the distance from filament sensor to middle of barrel
+
+  #define MEASURED_UPPER_LIMIT         3.30  //upper limit factor used for sensor reading validation in mm
+  #define MEASURED_LOWER_LIMIT         1.90  //lower limit factor for sensor reading validation in mm
+  #define MAX_MEASUREMENT_DELAY       20     //delay buffer size in bytes (1 byte = 1cm)- limits maximum measurement delay allowable (must be larger than MEASUREMENT_DELAY_CM  and lower number saves RAM)
+
+  #define DEFAULT_MEASURED_FILAMENT_DIA  DEFAULT_NOMINAL_FILAMENT_DIA  //set measured to nominal initially
+
+  //When using an LCD, uncomment the line below to display the Filament sensor data on the last line instead of status.  Status will appear for 5 sec.
+  //#define FILAMENT_LCD_DISPLAY
+#endif
+
+
+
+#endif // CONFIGURATION_H
diff --git a/Marlin/example_configurations/Roxys_printers/original_release_files/Configuration_adv.h b/Marlin/example_configurations/Roxys_printers/original_release_files/Configuration_adv.h
new file mode 100644
index 0000000000000000000000000000000000000000..af217e50d208a7b941510902a4081b058d1fa6ed
--- /dev/null
+++ b/Marlin/example_configurations/Roxys_printers/original_release_files/Configuration_adv.h
@@ -0,0 +1,1085 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Configuration_adv.h
+ *
+ * Advanced settings.
+ * Only change these if you know exactly what you're doing.
+ * Some of these settings can damage your printer if improperly set!
+ *
+ * Basic settings can be found in Configuration.h
+ *
+ */
+#ifndef CONFIGURATION_ADV_H
+#define CONFIGURATION_ADV_H
+
+/**
+ *
+ *  ***********************************
+ *  **  ATTENTION TO ALL DEVELOPERS  **
+ *  ***********************************
+ *
+ * You must increment this version number for every significant change such as,
+ * but not limited to: ADD, DELETE RENAME OR REPURPOSE any directive/option.
+ *
+ * Note: Update also Version.h !
+ */
+#define CONFIGURATION_ADV_H_VERSION 010100
+
+// @section temperature
+
+//===========================================================================
+//=============================Thermal Settings  ============================
+//===========================================================================
+
+#if DISABLED(PIDTEMPBED)
+  #define BED_CHECK_INTERVAL 5000 // ms between checks in bang-bang control
+  #if ENABLED(BED_LIMIT_SWITCHING)
+    #define BED_HYSTERESIS 2 // Only disable heating if T>target+BED_HYSTERESIS and enable heating if T>target-BED_HYSTERESIS
+  #endif
+#endif
+
+/**
+ * Thermal Protection protects your printer from damage and fire if a
+ * thermistor falls out or temperature sensors fail in any way.
+ *
+ * The issue: If a thermistor falls out or a temperature sensor fails,
+ * Marlin can no longer sense the actual temperature. Since a disconnected
+ * thermistor reads as a low temperature, the firmware will keep the heater on.
+ *
+ * The solution: Once the temperature reaches the target, start observing.
+ * If the temperature stays too far below the target (hysteresis) for too long (period),
+ * the firmware will halt the machine as a safety precaution.
+ *
+ * If you get false positives for "Thermal Runaway" increase THERMAL_PROTECTION_HYSTERESIS and/or THERMAL_PROTECTION_PERIOD
+ */
+#if ENABLED(THERMAL_PROTECTION_HOTENDS)
+  #define THERMAL_PROTECTION_PERIOD 40        // Seconds
+  #define THERMAL_PROTECTION_HYSTERESIS 4     // Degrees Celsius
+
+  /**
+   * Whenever an M104 or M109 increases the target temperature the firmware will wait for the
+   * WATCH_TEMP_PERIOD to expire, and if the temperature hasn't increased by WATCH_TEMP_INCREASE
+   * degrees, the machine is halted, requiring a hard reset. This test restarts with any M104/M109,
+   * but only if the current temperature is far enough below the target for a reliable test.
+   *
+   * If you get false positives for "Heating failed" increase WATCH_TEMP_PERIOD and/or decrease WATCH_TEMP_INCREASE
+   * WATCH_TEMP_INCREASE should not be below 2.
+   */
+  #define WATCH_TEMP_PERIOD 20                // Seconds
+  #define WATCH_TEMP_INCREASE 2               // Degrees Celsius
+#endif
+
+/**
+ * Thermal Protection parameters for the bed are just as above for hotends.
+ */
+#if ENABLED(THERMAL_PROTECTION_BED)
+  #define THERMAL_PROTECTION_BED_PERIOD 20    // Seconds
+  #define THERMAL_PROTECTION_BED_HYSTERESIS 2 // Degrees Celsius
+
+  /**
+   * Whenever an M140 or M190 increases the target temperature the firmware will wait for the
+   * WATCH_BED_TEMP_PERIOD to expire, and if the temperature hasn't increased by WATCH_BED_TEMP_INCREASE
+   * degrees, the machine is halted, requiring a hard reset. This test restarts with any M140/M190,
+   * but only if the current temperature is far enough below the target for a reliable test.
+   *
+   * If you get too many "Heating failed" errors, increase WATCH_BED_TEMP_PERIOD and/or decrease
+   * WATCH_BED_TEMP_INCREASE. (WATCH_BED_TEMP_INCREASE should not be below 2.)
+   */
+  #define WATCH_BED_TEMP_PERIOD 60                // Seconds
+  #define WATCH_BED_TEMP_INCREASE 2               // Degrees Celsius
+#endif
+
+#if ENABLED(PIDTEMP)
+  // this adds an experimental additional term to the heating power, proportional to the extrusion speed.
+  // if Kc is chosen well, the additional required power due to increased melting should be compensated.
+  //#define PID_EXTRUSION_SCALING
+  #if ENABLED(PID_EXTRUSION_SCALING)
+    #define DEFAULT_Kc (100) //heating power=Kc*(e_speed)
+    #define LPQ_MAX_LEN 50
+  #endif
+#endif
+
+/**
+ * Automatic Temperature:
+ * The hotend target temperature is calculated by all the buffered lines of gcode.
+ * The maximum buffered steps/sec of the extruder motor is called "se".
+ * Start autotemp mode with M109 S<mintemp> B<maxtemp> F<factor>
+ * The target temperature is set to mintemp+factor*se[steps/sec] and is limited by
+ * mintemp and maxtemp. Turn this off by executing M109 without F*
+ * Also, if the temperature is set to a value below mintemp, it will not be changed by autotemp.
+ * On an Ultimaker, some initial testing worked with M109 S215 B260 F1 in the start.gcode
+ */
+#define AUTOTEMP
+#if ENABLED(AUTOTEMP)
+  #define AUTOTEMP_OLDWEIGHT 0.98
+#endif
+
+//Show Temperature ADC value
+//The M105 command return, besides traditional information, the ADC value read from temperature sensors.
+//#define SHOW_TEMP_ADC_VALUES
+
+/**
+ * High Temperature Thermistor Support
+ *
+ * Thermistors able to support high temperature tend to have a hard time getting
+ * good readings at room and lower temperatures. This means HEATER_X_RAW_LO_TEMP
+ * will probably be caught when the heating element first turns on during the
+ * preheating process, which will trigger a min_temp_error as a safety measure
+ * and force stop everything.
+ * To circumvent this limitation, we allow for a preheat time (during which,
+ * min_temp_error won't be triggered) and add a min_temp buffer to handle
+ * aberrant readings.
+ *
+ * If you want to enable this feature for your hotend thermistor(s)
+ * uncomment and set values > 0 in the constants below
+ */
+
+// The number of consecutive low temperature errors that can occur
+// before a min_temp_error is triggered. (Shouldn't be more than 10.)
+//#define MAX_CONSECUTIVE_LOW_TEMPERATURE_ERROR_ALLOWED 0
+
+// The number of milliseconds a hotend will preheat before starting to check
+// the temperature. This value should NOT be set to the time it takes the
+// hot end to reach the target temperature, but the time it takes to reach
+// the minimum temperature your thermistor can read. The lower the better/safer.
+// This shouldn't need to be more than 30 seconds (30000)
+//#define MILLISECONDS_PREHEAT_TIME 0
+
+// @section extruder
+
+// Extruder runout prevention.
+// If the machine is idle and the temperature over MINTEMP
+// then extrude some filament every couple of SECONDS.
+//#define EXTRUDER_RUNOUT_PREVENT
+#if ENABLED(EXTRUDER_RUNOUT_PREVENT)
+  #define EXTRUDER_RUNOUT_MINTEMP 190
+  #define EXTRUDER_RUNOUT_SECONDS 30
+  #define EXTRUDER_RUNOUT_SPEED 1500  // mm/m
+  #define EXTRUDER_RUNOUT_EXTRUDE 5   // mm
+#endif
+
+// @section temperature
+
+//These defines help to calibrate the AD595 sensor in case you get wrong temperature measurements.
+//The measured temperature is defined as "actualTemp = (measuredTemp * TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET"
+#define TEMP_SENSOR_AD595_OFFSET 0.0
+#define TEMP_SENSOR_AD595_GAIN   1.0
+
+//This is for controlling a fan to cool down the stepper drivers
+//it will turn on when any driver is enabled
+//and turn off after the set amount of seconds from last driver being disabled again
+#define CONTROLLERFAN_PIN -1 //Pin used for the fan to cool controller (-1 to disable)
+#define CONTROLLERFAN_SECS 60 //How many seconds, after all motors were disabled, the fan should run
+#define CONTROLLERFAN_SPEED 255  // == full speed
+
+// When first starting the main fan, run it at full speed for the
+// given number of milliseconds.  This gets the fan spinning reliably
+// before setting a PWM value. (Does not work with software PWM for fan on Sanguinololu)
+//#define FAN_KICKSTART_TIME 100
+
+// This defines the minimal speed for the main fan, run in PWM mode
+// to enable uncomment and set minimal PWM speed for reliable running (1-255)
+// if fan speed is [1 - (FAN_MIN_PWM-1)] it is set to FAN_MIN_PWM
+//#define FAN_MIN_PWM 50
+
+// @section extruder
+
+/**
+ * Extruder cooling fans
+ *
+ * Extruder auto fans automatically turn on when their extruders'
+ * temperatures go above EXTRUDER_AUTO_FAN_TEMPERATURE.
+ *
+ * Your board's pins file specifies the recommended pins. Override those here
+ * or set to -1 to disable completely.
+ *
+ * Multiple extruders can be assigned to the same pin in which case
+ * the fan will turn on when any selected extruder is above the threshold.
+ */
+#define E0_AUTO_FAN_PIN -1
+#define E1_AUTO_FAN_PIN -1
+#define E2_AUTO_FAN_PIN -1
+#define E3_AUTO_FAN_PIN -1
+#define EXTRUDER_AUTO_FAN_TEMPERATURE 50
+#define EXTRUDER_AUTO_FAN_SPEED   255  // == full speed
+
+// Define a pin to turn case light on/off
+//#define CASE_LIGHT_PIN 4
+#if PIN_EXISTS(CASE_LIGHT)
+  #define INVERT_CASE_LIGHT false   // Set to true if HIGH is the OFF state (active low)
+  //#define CASE_LIGHT_DEFAULT_ON   // Uncomment to set default state to on
+  //#define MENU_ITEM_CASE_LIGHT    // Uncomment to have a Case Light On / Off entry in main menu
+#endif
+
+//===========================================================================
+//============================ Mechanical Settings ==========================
+//===========================================================================
+
+// @section homing
+
+// If you want endstops to stay on (by default) even when not homing
+// enable this option. Override at any time with M120, M121.
+//#define ENDSTOPS_ALWAYS_ON_DEFAULT
+
+// @section extras
+
+//#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
+
+// Dual X Steppers
+// Uncomment this option to drive two X axis motors.
+// The next unused E driver will be assigned to the second X stepper.
+//#define X_DUAL_STEPPER_DRIVERS
+#if ENABLED(X_DUAL_STEPPER_DRIVERS)
+  // Set true if the two X motors need to rotate in opposite directions
+  #define INVERT_X2_VS_X_DIR true
+#endif
+
+
+// Dual Y Steppers
+// Uncomment this option to drive two Y axis motors.
+// The next unused E driver will be assigned to the second Y stepper.
+//#define Y_DUAL_STEPPER_DRIVERS
+#if ENABLED(Y_DUAL_STEPPER_DRIVERS)
+  // Set true if the two Y motors need to rotate in opposite directions
+  #define INVERT_Y2_VS_Y_DIR true
+#endif
+
+// A single Z stepper driver is usually used to drive 2 stepper motors.
+// Uncomment this option to use a separate stepper driver for each Z axis motor.
+// The next unused E driver will be assigned to the second Z stepper.
+//#define Z_DUAL_STEPPER_DRIVERS
+
+#if ENABLED(Z_DUAL_STEPPER_DRIVERS)
+
+  // Z_DUAL_ENDSTOPS is a feature to enable the use of 2 endstops for both Z steppers - Let's call them Z stepper and Z2 stepper.
+  // That way the machine is capable to align the bed during home, since both Z steppers are homed.
+  // There is also an implementation of M666 (software endstops adjustment) to this feature.
+  // After Z homing, this adjustment is applied to just one of the steppers in order to align the bed.
+  // One just need to home the Z axis and measure the distance difference between both Z axis and apply the math: Z adjust = Z - Z2.
+  // If the Z stepper axis is closer to the bed, the measure Z > Z2 (yes, it is.. think about it) and the Z adjust would be positive.
+  // Play a little bit with small adjustments (0.5mm) and check the behaviour.
+  // The M119 (endstops report) will start reporting the Z2 Endstop as well.
+
+  //#define Z_DUAL_ENDSTOPS
+
+  #if ENABLED(Z_DUAL_ENDSTOPS)
+    #define Z2_USE_ENDSTOP _XMAX_
+  #endif
+
+#endif // Z_DUAL_STEPPER_DRIVERS
+
+// Enable this for dual x-carriage printers.
+// A dual x-carriage design has the advantage that the inactive extruder can be parked which
+// prevents hot-end ooze contaminating the print. It also reduces the weight of each x-carriage
+// allowing faster printing speeds. Connect your X2 stepper to the first unused E plug.
+//#define DUAL_X_CARRIAGE
+#if ENABLED(DUAL_X_CARRIAGE)
+  // Configuration for second X-carriage
+  // Note: the first x-carriage is defined as the x-carriage which homes to the minimum endstop;
+  // the second x-carriage always homes to the maximum endstop.
+  #define X2_MIN_POS 80     // set minimum to ensure second x-carriage doesn't hit the parked first X-carriage
+  #define X2_MAX_POS 353    // set maximum to the distance between toolheads when both heads are homed
+  #define X2_HOME_DIR 1     // the second X-carriage always homes to the maximum endstop position
+  #define X2_HOME_POS X2_MAX_POS // default home position is the maximum carriage position
+      // However: In this mode the HOTEND_OFFSET_X value for the second extruder provides a software
+      // override for X2_HOME_POS. This also allow recalibration of the distance between the two endstops
+      // without modifying the firmware (through the "M218 T1 X???" command).
+      // Remember: you should set the second extruder x-offset to 0 in your slicer.
+
+  // There are a few selectable movement modes for dual x-carriages using M605 S<mode>
+  //    Mode 0 (DXC_FULL_CONTROL_MODE): Full control. The slicer has full control over both x-carriages and can achieve optimal travel results
+  //                                    as long as it supports dual x-carriages. (M605 S0)
+  //    Mode 1 (DXC_AUTO_PARK_MODE)   : Auto-park mode. The firmware will automatically park and unpark the x-carriages on tool changes so
+  //                                    that additional slicer support is not required. (M605 S1)
+  //    Mode 2 (DXC_DUPLICATION_MODE) : Duplication mode. The firmware will transparently make the second x-carriage and extruder copy all
+  //                                    actions of the first x-carriage. This allows the printer to print 2 arbitrary items at
+  //                                    once. (2nd extruder x offset and temp offset are set using: M605 S2 [Xnnn] [Rmmm])
+
+  // This is the default power-up mode which can be later using M605.
+  #define DEFAULT_DUAL_X_CARRIAGE_MODE DXC_FULL_CONTROL_MODE
+
+  // Default settings in "Auto-park Mode"
+  #define TOOLCHANGE_PARK_ZLIFT   0.2      // the distance to raise Z axis when parking an extruder
+  #define TOOLCHANGE_UNPARK_ZLIFT 1        // the distance to raise Z axis when unparking an extruder
+
+  // Default x offset in duplication mode (typically set to half print bed width)
+  #define DEFAULT_DUPLICATION_X_OFFSET 100
+
+#endif //DUAL_X_CARRIAGE
+
+// @section homing
+
+//homing hits the endstop, then retracts by this distance, before it tries to slowly bump again:
+#define X_HOME_BUMP_MM 5
+#define Y_HOME_BUMP_MM 5
+#define Z_HOME_BUMP_MM 2
+#define HOMING_BUMP_DIVISOR {2, 2, 4}  // Re-Bump Speed Divisor (Divides the Homing Feedrate)
+//#define QUICK_HOME  //if this is defined, if both x and y are to be homed, a diagonal move will be performed initially.
+
+// When G28 is called, this option will make Y home before X
+//#define HOME_Y_BEFORE_X
+
+// @section machine
+
+#define AXIS_RELATIVE_MODES {false, false, false, false}
+
+// Allow duplication mode with a basic dual-nozzle extruder
+//#define DUAL_NOZZLE_DUPLICATION_MODE
+
+// By default pololu step drivers require an active high signal. However, some high power drivers require an active low signal as step.
+#define INVERT_X_STEP_PIN false
+#define INVERT_Y_STEP_PIN false
+#define INVERT_Z_STEP_PIN false
+#define INVERT_E_STEP_PIN false
+
+// Default stepper release if idle. Set to 0 to deactivate.
+// Steppers will shut down DEFAULT_STEPPER_DEACTIVE_TIME seconds after the last move when DISABLE_INACTIVE_? is true.
+// Time can be set by M18 and M84.
+#define DEFAULT_STEPPER_DEACTIVE_TIME 120
+#define DISABLE_INACTIVE_X true
+#define DISABLE_INACTIVE_Y true
+#define DISABLE_INACTIVE_Z true  // set to false if the nozzle will fall down on your printed part when print has finished.
+#define DISABLE_INACTIVE_E true
+
+#define DEFAULT_MINIMUMFEEDRATE       0.0     // minimum feedrate
+#define DEFAULT_MINTRAVELFEEDRATE     0.0
+
+// @section lcd
+
+#if ENABLED(ULTIPANEL)
+  #define MANUAL_FEEDRATE {50*60, 50*60, 4*60, 60} // Feedrates for manual moves along X, Y, Z, E from panel
+  #define ULTIPANEL_FEEDMULTIPLY  // Comment to disable setting feedrate multiplier via encoder
+#endif
+
+// @section extras
+
+// minimum time in microseconds that a movement needs to take if the buffer is emptied.
+#define DEFAULT_MINSEGMENTTIME        20000
+
+// If defined the movements slow down when the look ahead buffer is only half full
+#define SLOWDOWN
+
+// Frequency limit
+// See nophead's blog for more info
+// Not working O
+//#define XY_FREQUENCY_LIMIT  15
+
+// Minimum planner junction speed. Sets the default minimum speed the planner plans for at the end
+// of the buffer and all stops. This should not be much greater than zero and should only be changed
+// if unwanted behavior is observed on a user's machine when running at very slow speeds.
+#define MINIMUM_PLANNER_SPEED 0.05// (mm/sec)
+
+// Microstep setting (Only functional when stepper driver microstep pins are connected to MCU.
+#define MICROSTEP_MODES {16,16,16,16,16} // [1,2,4,8,16]
+
+// Motor Current setting (Only functional when motor driver current ref pins are connected to a digital trimpot on supported boards)
+#define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
+
+// Motor Current controlled via PWM (Overridable on supported boards with PWM-driven motor driver current)
+//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
+
+// uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+//#define DIGIPOT_I2C
+// Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
+#define DIGIPOT_I2C_NUM_CHANNELS 8
+// actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS
+#define DIGIPOT_I2C_MOTOR_CURRENTS {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0}
+
+//===========================================================================
+//=============================Additional Features===========================
+//===========================================================================
+
+#define ENCODER_RATE_MULTIPLIER         // If defined, certain menu edit operations automatically multiply the steps when the encoder is moved quickly
+#define ENCODER_10X_STEPS_PER_SEC 75    // If the encoder steps per sec exceeds this value, multiply steps moved x10 to quickly advance the value
+#define ENCODER_100X_STEPS_PER_SEC 160  // If the encoder steps per sec exceeds this value, multiply steps moved x100 to really quickly advance the value
+
+//#define CHDK 4        //Pin for triggering CHDK to take a picture see how to use it here http://captain-slow.dk/2014/03/09/3d-printing-timelapses/
+#define CHDK_DELAY 50 //How long in ms the pin should stay HIGH before going LOW again
+
+// @section lcd
+
+// Include a page of printer information in the LCD Main Menu
+//#define LCD_INFO_MENU
+
+// On the Info Screen, display XY with one decimal place when possible
+//#define LCD_DECIMAL_SMALL_XY
+
+// The timeout (in ms) to return to the status screen from sub-menus
+//#define LCD_TIMEOUT_TO_STATUS 15000
+
+#if ENABLED(SDSUPPORT)
+
+  // Some RAMPS and other boards don't detect when an SD card is inserted. You can work
+  // around this by connecting a push button or single throw switch to the pin defined
+  // as SD_DETECT_PIN in your board's pins definitions.
+  // This setting should be disabled unless you are using a push button, pulling the pin to ground.
+  // Note: This is always disabled for ULTIPANEL (except ELB_FULL_GRAPHIC_CONTROLLER).
+  #define SD_DETECT_INVERTED
+
+  #define SD_FINISHED_STEPPERRELEASE true  //if sd support and the file is finished: disable steppers?
+  #define SD_FINISHED_RELEASECOMMAND "M84 X Y Z E" // You might want to keep the z enabled so your bed stays in place.
+
+  #define SDCARD_RATHERRECENTFIRST  //reverse file order of sd card menu display. Its sorted practically after the file system block order.
+  // if a file is deleted, it frees a block. hence, the order is not purely chronological. To still have auto0.g accessible, there is again the option to do that.
+  // using:
+  //#define MENU_ADDAUTOSTART
+
+  /**
+   * Sort SD file listings in alphabetical order.
+   *
+   * With this option enabled, items on SD cards will be sorted
+   * by name for easier navigation.
+   *
+   * By default...
+   *
+   *  - Use the slowest -but safest- method for sorting.
+   *  - Folders are sorted to the top.
+   *  - The sort key is statically allocated.
+   *  - No added G-code (M34) support.
+   *  - 40 item sorting limit. (Items after the first 40 are unsorted.)
+   *
+   * SD sorting uses static allocation (as set by SDSORT_LIMIT), allowing the
+   * compiler to calculate the worst-case usage and throw an error if the SRAM
+   * limit is exceeded.
+   *
+   *  - SDSORT_USES_RAM provides faster sorting via a static directory buffer.
+   *  - SDSORT_USES_STACK does the same, but uses a local stack-based buffer.
+   *  - SDSORT_CACHE_NAMES will retain the sorted file listing in RAM. (Expensive!)
+   *  - SDSORT_DYNAMIC_RAM only uses RAM when the SD menu is visible. (Use with caution!)
+   */
+  //#define SDCARD_SORT_ALPHA
+
+  // SD Card Sorting options
+  #if ENABLED(SDCARD_SORT_ALPHA)
+    #define SDSORT_LIMIT       40     // Maximum number of sorted items (10-256).
+    #define FOLDER_SORTING     -1     // -1=above  0=none  1=below
+    #define SDSORT_GCODE       false  // Allow turning sorting on/off with LCD and M34 g-code.
+    #define SDSORT_USES_RAM    false  // Pre-allocate a static array for faster pre-sorting.
+    #define SDSORT_USES_STACK  false  // Prefer the stack for pre-sorting to give back some SRAM. (Negated by next 2 options.)
+    #define SDSORT_CACHE_NAMES false  // Keep sorted items in RAM longer for speedy performance. Most expensive option.
+    #define SDSORT_DYNAMIC_RAM false  // Use dynamic allocation (within SD menus). Least expensive option. Set SDSORT_LIMIT before use!
+  #endif
+
+  // Show a progress bar on HD44780 LCDs for SD printing
+  //#define LCD_PROGRESS_BAR
+
+  #if ENABLED(LCD_PROGRESS_BAR)
+    // Amount of time (ms) to show the bar
+    #define PROGRESS_BAR_BAR_TIME 2000
+    // Amount of time (ms) to show the status message
+    #define PROGRESS_BAR_MSG_TIME 3000
+    // Amount of time (ms) to retain the status message (0=forever)
+    #define PROGRESS_MSG_EXPIRE   0
+    // Enable this to show messages for MSG_TIME then hide them
+    //#define PROGRESS_MSG_ONCE
+    // Add a menu item to test the progress bar:
+    //#define LCD_PROGRESS_BAR_TEST
+  #endif
+
+  // This allows hosts to request long names for files and folders with M33
+  //#define LONG_FILENAME_HOST_SUPPORT
+
+  // This option allows you to abort SD printing when any endstop is triggered.
+  // This feature must be enabled with "M540 S1" or from the LCD menu.
+  // To have any effect, endstops must be enabled during SD printing.
+  //#define ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED
+
+#endif // SDSUPPORT
+
+/**
+ * Additional options for Graphical Displays
+ *
+ * Use the optimizations here to improve printing performance,
+ * which can be adversely affected by graphical display drawing,
+ * especially when doing several short moves, and when printing
+ * on DELTA and SCARA machines.
+ *
+ * Some of these options may result in the display lagging behind
+ * controller events, as there is a trade-off between reliable
+ * printing performance versus fast display updates.
+ */
+#if ENABLED(DOGLCD)
+  // Enable to save many cycles by drawing a hollow frame on the Info Screen
+  #define XYZ_HOLLOW_FRAME
+
+  // Enable to save many cycles by drawing a hollow frame on Menu Screens
+  #define MENU_HOLLOW_FRAME
+
+  // A bigger font is available for edit items. Costs 3120 bytes of PROGMEM.
+  // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
+  //#define USE_BIG_EDIT_FONT
+
+  // A smaller font may be used on the Info Screen. Costs 2300 bytes of PROGMEM.
+  // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
+  //#define USE_SMALL_INFOFONT
+
+  // Enable this option and reduce the value to optimize screen updates.
+  // The normal delay is 10µs. Use the lowest value that still gives a reliable display.
+  //#define DOGM_SPI_DELAY_US 5
+#endif // DOGLCD
+
+// @section safety
+
+// The hardware watchdog should reset the microcontroller disabling all outputs,
+// in case the firmware gets stuck and doesn't do temperature regulation.
+#define USE_WATCHDOG
+
+#if ENABLED(USE_WATCHDOG)
+  // If you have a watchdog reboot in an ArduinoMega2560 then the device will hang forever, as a watchdog reset will leave the watchdog on.
+  // The "WATCHDOG_RESET_MANUAL" goes around this by not using the hardware reset.
+  //  However, THIS FEATURE IS UNSAFE!, as it will only work if interrupts are disabled. And the code could hang in an interrupt routine with interrupts disabled.
+  //#define WATCHDOG_RESET_MANUAL
+#endif
+
+// @section lcd
+
+// Babystepping enables the user to control the axis in tiny amounts, independently from the normal printing process
+// it can e.g. be used to change z-positions in the print startup phase in real-time
+// does not respect endstops!
+//#define BABYSTEPPING
+#if ENABLED(BABYSTEPPING)
+  #define BABYSTEP_XY  //not only z, but also XY in the menu. more clutter, more functions
+                       //not implemented for deltabots!
+  #define BABYSTEP_INVERT_Z false  //true for inverse movements in Z
+  #define BABYSTEP_MULTIPLICATOR 1 //faster movements
+#endif
+
+// @section extruder
+
+// extruder advance constant (s2/mm3)
+//
+// advance (steps) = STEPS_PER_CUBIC_MM_E * EXTRUDER_ADVANCE_K * cubic mm per second ^ 2
+//
+// Hooke's law says:    force = k * distance
+// Bernoulli's principle says:  v ^ 2 / 2 + g . h + pressure / density = constant
+// so: v ^ 2 is proportional to number of steps we advance the extruder
+//#define ADVANCE
+
+#if ENABLED(ADVANCE)
+  #define EXTRUDER_ADVANCE_K .0
+  #define D_FILAMENT 2.85
+#endif
+
+/**
+ * Implementation of linear pressure control
+ *
+ * Assumption: advance = k * (delta velocity)
+ * K=0 means advance disabled.
+ * See Marlin documentation for calibration instructions.
+ */
+//#define LIN_ADVANCE
+
+#if ENABLED(LIN_ADVANCE)
+  #define LIN_ADVANCE_K 75
+
+  /**
+   * Some Slicers produce Gcode with randomly jumping extrusion widths occasionally.
+   * For example within a 0.4mm perimeter it may produce a single segment of 0.05mm width.
+   * While this is harmless for normal printing (the fluid nature of the filament will
+   * close this very, very tiny gap), it throws off the LIN_ADVANCE pressure adaption.
+   *
+   * For this case LIN_ADVANCE_E_D_RATIO can be used to set the extrusion:distance ratio
+   * to a fixed value. Note that using a fixed ratio will lead to wrong nozzle pressures
+   * if the slicer is using variable widths or layer heights within one print!
+   *
+   * This option sets the default E:D ratio at startup. Use `M905` to override this value.
+   *
+   * Example: `M905 W0.4 H0.2 D1.75`, where:
+   *   - W is the extrusion width in mm
+   *   - H is the layer height in mm
+   *   - D is the filament diameter in mm
+   *
+   * Set to 0 to auto-detect the ratio based on given Gcode G1 print moves.
+   *
+   * Slic3r (including Prusa Slic3r) produces Gcode compatible with the automatic mode.
+   * Cura (as of this writing) may produce Gcode incompatible with the automatic mode.
+   */
+  #define LIN_ADVANCE_E_D_RATIO 0 // The calculated ratio (or 0) according to the formula W * H / ((D / 2) ^ 2 * PI)
+                                  // Example: 0.4 * 0.2 / ((1.75 / 2) ^ 2 * PI) = 0.033260135
+#endif
+
+// @section leveling
+
+// Default mesh area is an area with an inset margin on the print area.
+// Below are the macros that are used to define the borders for the mesh area,
+// made available here for specialized needs, ie dual extruder setup.
+#if ENABLED(MESH_BED_LEVELING)
+  #define MESH_MIN_X (X_MIN_POS + MESH_INSET)
+  #define MESH_MAX_X (X_MAX_POS - (MESH_INSET))
+  #define MESH_MIN_Y (Y_MIN_POS + MESH_INSET)
+  #define MESH_MAX_Y (Y_MAX_POS - (MESH_INSET))
+#endif
+
+#if ENABLED(AUTO_BED_LEVELING_UBL)
+  #define UBL_MESH_MIN_X (X_MIN_POS + UBL_MESH_INSET)
+  #define UBL_MESH_MAX_X (X_MAX_POS - (UBL_MESH_INSET))
+  #define UBL_MESH_MIN_Y (Y_MIN_POS + UBL_MESH_INSET)
+  #define UBL_MESH_MAX_Y (Y_MAX_POS - (UBL_MESH_INSET))
+#endif
+
+// @section extras
+
+// Arc interpretation settings:
+#define ARC_SUPPORT  // Disabling this saves ~2738 bytes
+#define MM_PER_ARC_SEGMENT 1
+#define N_ARC_CORRECTION 25
+
+// Support for G5 with XYZE destination and IJPQ offsets. Requires ~2666 bytes.
+//#define BEZIER_CURVE_SUPPORT
+
+// G38.2 and G38.3 Probe Target
+//#define G38_PROBE_TARGET
+#if ENABLED(G38_PROBE_TARGET)
+  #define G38_MINIMUM_MOVE 0.0275 // minimum distance in mm that will produce a move (determined using the print statement in check_move)
+#endif
+
+// Moves (or segments) with fewer steps than this will be joined with the next move
+#define MIN_STEPS_PER_SEGMENT 6
+
+// The minimum pulse width (in µs) for stepping a stepper.
+// Set this if you find stepping unreliable, or if using a very fast CPU.
+#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+
+// @section temperature
+
+// Control heater 0 and heater 1 in parallel.
+//#define HEATERS_PARALLEL
+
+//===========================================================================
+//================================= Buffers =================================
+//===========================================================================
+
+// @section hidden
+
+// The number of linear motions that can be in the plan at any give time.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+#if ENABLED(SDSUPPORT)
+  #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
+#else
+  #define BLOCK_BUFFER_SIZE 16 // maximize block buffer
+#endif
+
+// @section serial
+
+// The ASCII buffer for serial input
+#define MAX_CMD_SIZE 96
+#define BUFSIZE 4
+
+// Transfer Buffer Size
+// To save 386 bytes of PROGMEM (and TX_BUFFER_SIZE+3 bytes of RAM) set to 0.
+// To buffer a simple "ok" you need 4 bytes.
+// For ADVANCED_OK (M105) you need 32 bytes.
+// For debug-echo: 128 bytes for the optimal speed.
+// Other output doesn't need to be that speedy.
+// :[0, 2, 4, 8, 16, 32, 64, 128, 256]
+#define TX_BUFFER_SIZE 0
+
+// Enable an emergency-command parser to intercept certain commands as they
+// enter the serial receive buffer, so they cannot be blocked.
+// Currently handles M108, M112, M410
+// Does not work on boards using AT90USB (USBCON) processors!
+//#define EMERGENCY_PARSER
+
+// Bad Serial-connections can miss a received command by sending an 'ok'
+// Therefore some clients abort after 30 seconds in a timeout.
+// Some other clients start sending commands while receiving a 'wait'.
+// This "wait" is only sent when the buffer is empty. 1 second is a good value here.
+//#define NO_TIMEOUTS 1000 // Milliseconds
+
+// Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
+//#define ADVANCED_OK
+
+// @section fwretract
+
+// Firmware based and LCD controlled retract
+// M207 and M208 can be used to define parameters for the retraction.
+// The retraction can be called by the slicer using G10 and G11
+// until then, intended retractions can be detected by moves that only extrude and the direction.
+// the moves are than replaced by the firmware controlled ones.
+
+//#define FWRETRACT  //ONLY PARTIALLY TESTED
+#if ENABLED(FWRETRACT)
+  #define MIN_RETRACT 0.1                //minimum extruded mm to accept a automatic gcode retraction attempt
+  #define RETRACT_LENGTH 3               //default retract length (positive mm)
+  #define RETRACT_LENGTH_SWAP 13         //default swap retract length (positive mm), for extruder change
+  #define RETRACT_FEEDRATE 45            //default feedrate for retracting (mm/s)
+  #define RETRACT_ZLIFT 0                //default retract Z-lift
+  #define RETRACT_RECOVER_LENGTH 0       //default additional recover length (mm, added to retract length when recovering)
+  #define RETRACT_RECOVER_LENGTH_SWAP 0  //default additional swap recover length (mm, added to retract length when recovering from extruder change)
+  #define RETRACT_RECOVER_FEEDRATE 8     //default feedrate for recovering from retraction (mm/s)
+#endif
+
+/**
+ * Filament Change
+ * Experimental filament change support.
+ * Adds the GCode M600 for initiating filament change.
+ *
+ * Requires an LCD display.
+ * This feature is required for the default FILAMENT_RUNOUT_SCRIPT.
+ */
+//#define FILAMENT_CHANGE_FEATURE
+#if ENABLED(FILAMENT_CHANGE_FEATURE)
+  #define FILAMENT_CHANGE_X_POS 3             // X position of hotend
+  #define FILAMENT_CHANGE_Y_POS 3             // Y position of hotend
+  #define FILAMENT_CHANGE_Z_ADD 10            // Z addition of hotend (lift)
+  #define FILAMENT_CHANGE_XY_FEEDRATE 100     // X and Y axes feedrate in mm/s (also used for delta printers Z axis)
+  #define FILAMENT_CHANGE_Z_FEEDRATE 5        // Z axis feedrate in mm/s (not used for delta printers)
+  #define FILAMENT_CHANGE_RETRACT_FEEDRATE 60 // Initial retract feedrate in mm/s
+  #define FILAMENT_CHANGE_RETRACT_LENGTH 2    // Initial retract in mm
+                                              // It is a short retract used immediately after print interrupt before move to filament exchange position
+  #define FILAMENT_CHANGE_UNLOAD_FEEDRATE 10  // Unload filament feedrate in mm/s - filament unloading can be fast
+  #define FILAMENT_CHANGE_UNLOAD_LENGTH 100   // Unload filament length from hotend in mm
+                                              // Longer length for bowden printers to unload filament from whole bowden tube,
+                                              // shorter length for printers without bowden to unload filament from extruder only,
+                                              // 0 to disable unloading for manual unloading
+  #define FILAMENT_CHANGE_LOAD_FEEDRATE 6     // Load filament feedrate in mm/s - filament loading into the bowden tube can be fast
+  #define FILAMENT_CHANGE_LOAD_LENGTH 0       // Load filament length over hotend in mm
+                                              // Longer length for bowden printers to fast load filament into whole bowden tube over the hotend,
+                                              // Short or zero length for printers without bowden where loading is not used
+  #define FILAMENT_CHANGE_EXTRUDE_FEEDRATE 3  // Extrude filament feedrate in mm/s - must be slower than load feedrate
+  #define FILAMENT_CHANGE_EXTRUDE_LENGTH 50   // Extrude filament length in mm after filament is loaded over the hotend,
+                                              // 0 to disable for manual extrusion
+                                              // Filament can be extruded repeatedly from the filament exchange menu to fill the hotend,
+                                              // or until outcoming filament color is not clear for filament color change
+  #define FILAMENT_CHANGE_NOZZLE_TIMEOUT 45L  // Turn off nozzle if user doesn't change filament within this time limit in seconds
+  #define FILAMENT_CHANGE_NUMBER_OF_ALERT_BEEPS  5L  // Number of alert beeps before printer goes quiet
+  #define FILAMENT_CHANGE_NO_STEPPER_TIMEOUT         // Enable to have stepper motors hold position during filament change
+                                                     // even if it takes longer than DEFAULT_STEPPER_DEACTIVE_TIME.
+#endif
+
+// @section tmc
+
+/**
+ * Enable this section if you have TMC26X motor drivers.
+ * You will need to import the TMC26XStepper library into the Arduino IDE for this
+ * (https://github.com/trinamic/TMC26XStepper.git)
+ */
+//#define HAVE_TMCDRIVER
+
+#if ENABLED(HAVE_TMCDRIVER)
+
+  //#define X_IS_TMC
+  //#define X2_IS_TMC
+  //#define Y_IS_TMC
+  //#define Y2_IS_TMC
+  //#define Z_IS_TMC
+  //#define Z2_IS_TMC
+  //#define E0_IS_TMC
+  //#define E1_IS_TMC
+  //#define E2_IS_TMC
+  //#define E3_IS_TMC
+
+  #define X_MAX_CURRENT     1000 // in mA
+  #define X_SENSE_RESISTOR    91 // in mOhms
+  #define X_MICROSTEPS        16 // number of microsteps
+
+  #define X2_MAX_CURRENT    1000
+  #define X2_SENSE_RESISTOR   91
+  #define X2_MICROSTEPS       16
+
+  #define Y_MAX_CURRENT     1000
+  #define Y_SENSE_RESISTOR    91
+  #define Y_MICROSTEPS        16
+
+  #define Y2_MAX_CURRENT    1000
+  #define Y2_SENSE_RESISTOR   91
+  #define Y2_MICROSTEPS       16
+
+  #define Z_MAX_CURRENT     1000
+  #define Z_SENSE_RESISTOR    91
+  #define Z_MICROSTEPS        16
+
+  #define Z2_MAX_CURRENT    1000
+  #define Z2_SENSE_RESISTOR   91
+  #define Z2_MICROSTEPS       16
+
+  #define E0_MAX_CURRENT    1000
+  #define E0_SENSE_RESISTOR   91
+  #define E0_MICROSTEPS       16
+
+  #define E1_MAX_CURRENT    1000
+  #define E1_SENSE_RESISTOR   91
+  #define E1_MICROSTEPS       16
+
+  #define E2_MAX_CURRENT    1000
+  #define E2_SENSE_RESISTOR   91
+  #define E2_MICROSTEPS       16
+
+  #define E3_MAX_CURRENT    1000
+  #define E3_SENSE_RESISTOR   91
+  #define E3_MICROSTEPS       16
+
+#endif
+
+// @section TMC2130
+
+/**
+ * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
+ *
+ * You'll also need the TMC2130Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2130Stepper).
+ *
+ * To use TMC2130 stepper drivers in SPI mode connect your SPI2130 pins to
+ * the hardware SPI interface on your board and define the required CS pins
+ * in your `pins_MYBOARD.h` file. (e.g., RAMPS 1.4 uses AUX3 pins `X_CS_PIN 53`, `Y_CS_PIN 49`, etc.).
+ */
+//#define HAVE_TMC2130
+
+#if ENABLED(HAVE_TMC2130)
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+  #define CURRENT_STEP          50  // [mA]
+  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+
+  // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
+  //#define X_IS_TMC2130
+  //#define X2_IS_TMC2130
+  //#define Y_IS_TMC2130
+  //#define Y2_IS_TMC2130
+  //#define Z_IS_TMC2130
+  //#define Z2_IS_TMC2130
+  //#define E0_IS_TMC2130
+  //#define E1_IS_TMC2130
+  //#define E2_IS_TMC2130
+  //#define E3_IS_TMC2130
+
+  /**
+   * Stepper driver settings
+   */
+
+  #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
+  #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
+  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+
+  #define X_MAX_CURRENT     1000  // rms current in mA
+  #define X_MICROSTEPS        16  // FULLSTEP..256
+  #define X_CHIP_SELECT       40  // Pin
+
+  #define Y_MAX_CURRENT     1000
+  #define Y_MICROSTEPS        16
+  #define Y_CHIP_SELECT       42
+
+  #define Z_MAX_CURRENT     1000
+  #define Z_MICROSTEPS        16
+  #define Z_CHIP_SELECT       65
+
+  //#define X2_MAX_CURRENT  1000
+  //#define X2_MICROSTEPS     16
+  //#define X2_CHIP_SELECT    -1
+
+  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_MICROSTEPS     16
+  //#define Y2_CHIP_SELECT    -1
+
+  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_MICROSTEPS     16
+  //#define Z2_CHIP_SELECT    -1
+
+  //#define E0_MAX_CURRENT  1000
+  //#define E0_MICROSTEPS     16
+  //#define E0_CHIP_SELECT    -1
+
+  //#define E1_MAX_CURRENT  1000
+  //#define E1_MICROSTEPS     16
+  //#define E1_CHIP_SELECT    -1
+
+  //#define E2_MAX_CURRENT  1000
+  //#define E2_MICROSTEPS     16
+  //#define E2_CHIP_SELECT    -1
+
+  //#define E3_MAX_CURRENT  1000
+  //#define E3_MICROSTEPS     16
+  //#define E3_CHIP_SELECT    -1
+
+  /**
+   * You can set your own advanced settings by filling in predefined functions.
+   * A list of available functions can be found on the library github page
+   * https://github.com/teemuatlut/TMC2130Stepper
+   *
+   * Example:
+   * #define TMC2130_ADV() { \
+   *   stepperX.diag0_temp_prewarn(1); \
+   *   stepperX.interpolate(0); \
+   * }
+   */
+  #define  TMC2130_ADV() {  }
+
+#endif // ENABLED(HAVE_TMC2130)
+
+/**
+ * Enable this section if you have L6470 motor drivers.
+ * You need to import the L6470 library into the Arduino IDE for this.
+ * (https://github.com/ameyer/Arduino-L6470)
+ */
+
+// @section l6470
+
+//#define HAVE_L6470DRIVER
+#if ENABLED(HAVE_L6470DRIVER)
+
+  //#define X_IS_L6470
+  //#define X2_IS_L6470
+  //#define Y_IS_L6470
+  //#define Y2_IS_L6470
+  //#define Z_IS_L6470
+  //#define Z2_IS_L6470
+  //#define E0_IS_L6470
+  //#define E1_IS_L6470
+  //#define E2_IS_L6470
+  //#define E3_IS_L6470
+
+  #define X_MICROSTEPS      16 // number of microsteps
+  #define X_K_VAL           50 // 0 - 255, Higher values, are higher power. Be careful not to go too high
+  #define X_OVERCURRENT   2000 // maxc current in mA. If the current goes over this value, the driver will switch off
+  #define X_STALLCURRENT  1500 // current in mA where the driver will detect a stall
+
+  #define X2_MICROSTEPS     16
+  #define X2_K_VAL          50
+  #define X2_OVERCURRENT  2000
+  #define X2_STALLCURRENT 1500
+
+  #define Y_MICROSTEPS      16
+  #define Y_K_VAL           50
+  #define Y_OVERCURRENT   2000
+  #define Y_STALLCURRENT  1500
+
+  #define Y2_MICROSTEPS     16
+  #define Y2_K_VAL          50
+  #define Y2_OVERCURRENT  2000
+  #define Y2_STALLCURRENT 1500
+
+  #define Z_MICROSTEPS      16
+  #define Z_K_VAL           50
+  #define Z_OVERCURRENT   2000
+  #define Z_STALLCURRENT  1500
+
+  #define Z2_MICROSTEPS     16
+  #define Z2_K_VAL          50
+  #define Z2_OVERCURRENT  2000
+  #define Z2_STALLCURRENT 1500
+
+  #define E0_MICROSTEPS     16
+  #define E0_K_VAL          50
+  #define E0_OVERCURRENT  2000
+  #define E0_STALLCURRENT 1500
+
+  #define E1_MICROSTEPS     16
+  #define E1_K_VAL          50
+  #define E1_OVERCURRENT  2000
+  #define E1_STALLCURRENT 1500
+
+  #define E2_MICROSTEPS     16
+  #define E2_K_VAL          50
+  #define E2_OVERCURRENT  2000
+  #define E2_STALLCURRENT 1500
+
+  #define E3_MICROSTEPS     16
+  #define E3_K_VAL          50
+  #define E3_OVERCURRENT  2000
+  #define E3_STALLCURRENT 1500
+
+#endif
+
+/**
+ * TWI/I2C BUS
+ *
+ * This feature is an EXPERIMENTAL feature so it shall not be used on production
+ * machines. Enabling this will allow you to send and receive I2C data from slave
+ * devices on the bus.
+ *
+ * ; Example #1
+ * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
+ *
+ * ; Example #2
+ * ; Request 6 bytes from slave device with address 0x63 (99)
+ * M261 A99 B5
+ *
+ * ; Example #3
+ * ; Example serial output of a M261 request
+ * echo:i2c-reply: from:99 bytes:5 data:hello
+ */
+
+// @section i2cbus
+
+//#define EXPERIMENTAL_I2CBUS
+#define I2C_SLAVE_ADDRESS  0 // Set a value from 8 to 127 to act as a slave
+
+/**
+ * Add M43, M44 and M45 commands for pins info and testing
+ */
+//#define PINS_DEBUGGING
+
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
+/**
+ * Double-click the Encoder button on the Status Screen for Z Babystepping.
+ */
+//#define DOUBLECLICK_FOR_Z_BABYSTEPPING
+#define DOUBLECLICK_MAX_INTERVAL 1250   // Maximum interval between clicks, in milliseconds.
+                                        // Note: You may need to add extra time to mitigate controller latency.
+
+/**
+ * Volumetric extrusion default state
+ * Activate to make volumetric extrusion the default method,
+ * with DEFAULT_NOMINAL_FILAMENT_DIA as the default diameter.
+ *
+ * M200 D0 to disable, M200 Dn to set a new diameter.
+ */
+//#define VOLUMETRIC_DEFAULT_ON
+
+/**
+ * Enable this option for a leaner build of Marlin that removes all
+ * workspace offsets, simplifying coordinate transformations, leveling, etc.
+ *
+ *  - M206 and M428 are disabled.
+ *  - G92 will revert to its behavior from Marlin 1.0.
+ */
+//#define NO_WORKSPACE_OFFSETS
+
+#endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/SCARA/Configuration.h b/Marlin/example_configurations/SCARA/Configuration.h
index 73efa36ef0628ed361bedc6754aff6cdd78179e7..99de7a7c4d6c9b8d41b9a86a058211c674286769 100644
--- a/Marlin/example_configurations/SCARA/Configuration.h
+++ b/Marlin/example_configurations/SCARA/Configuration.h
@@ -263,6 +263,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -618,8 +619,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -756,35 +756,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -808,10 +782,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -820,6 +806,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -840,11 +833,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -868,7 +856,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/TAZ4/Configuration.h b/Marlin/example_configurations/TAZ4/Configuration.h
index 613c15bc2303c74d896f6717271ee70022e7b751..22b279ad5b8348aa67eec2bf2715fd096d86beb7 100644
--- a/Marlin/example_configurations/TAZ4/Configuration.h
+++ b/Marlin/example_configurations/TAZ4/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -624,8 +625,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -762,35 +762,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -814,10 +788,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -826,6 +812,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -846,11 +839,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -874,7 +862,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/WITBOX/Configuration.h b/Marlin/example_configurations/WITBOX/Configuration.h
index 2c57ac958a2ae651f12e2bc60da43fb928c0b1a6..b00123423829e469359922d7e392c7588a6215ae 100644
--- a/Marlin/example_configurations/WITBOX/Configuration.h
+++ b/Marlin/example_configurations/WITBOX/Configuration.h
@@ -234,6 +234,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -595,8 +596,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -733,35 +733,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -785,10 +759,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -797,6 +783,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -817,11 +810,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -845,7 +833,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/adafruit/ST7565/Configuration.h b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
index 736996fcd7dfd4f174e9d452b6a3b056f1b53af5..1d292f8e821145ef8f08fe88f3152ffd781f6aba 100644
--- a/Marlin/example_configurations/adafruit/ST7565/Configuration.h
+++ b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -603,8 +604,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -741,35 +741,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -793,10 +767,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -805,6 +791,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -825,11 +818,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -853,7 +841,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/delta/flsun_kossel_mini/Configuration.h b/Marlin/example_configurations/delta/flsun_kossel_mini/Configuration.h
index b651b0dceda480142c96ebb3a87ac9ccb1893f6f..6eeaea08f361d5cbbc3f096f4efdffffde93d827 100644
--- a/Marlin/example_configurations/delta/flsun_kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/flsun_kossel_mini/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -705,8 +706,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -844,35 +844,7 @@
 #endif
 
 //===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-//
-// MESH_BED_LEVELING does not yet support DELTA printers.
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
-
-//===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -896,10 +868,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT // Only AUTO_BED_LEVELING_BILINEAR is supported for DELTA bed leveling.
 //#define AUTO_BED_LEVELING_LINEAR // Only AUTO_BED_LEVELING_BILINEAR is supported for DELTA bed leveling.
 #define AUTO_BED_LEVELING_BILINEAR // Only AUTO_BED_LEVELING_BILINEAR is supported for DELTA bed leveling.
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -908,6 +892,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  //#define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -928,12 +919,6 @@
   //#define PROBE_Y_FIRST
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
-
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    //#define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -957,7 +942,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/delta/generic/Configuration.h b/Marlin/example_configurations/delta/generic/Configuration.h
index ca714ec549f1127e159cbcca38fa432a6057c0ea..a0abd3eea204d0ff05a5d98fff9b8a4b72e2bb31 100644
--- a/Marlin/example_configurations/delta/generic/Configuration.h
+++ b/Marlin/example_configurations/delta/generic/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -689,8 +690,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -827,35 +827,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -879,10 +853,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -891,6 +877,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  //#define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -912,12 +905,6 @@
   //#define PROBE_Y_FIRST
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
-
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    //#define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -941,7 +928,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration.h b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
index c7df7807ecec28a9f9bf0f02eac4b7fb9294717a..b505ed75da816e833595e7ed5a662fe5bf1dbcd8 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -692,8 +693,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -830,35 +830,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -882,10 +856,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -894,6 +880,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  //#define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -916,11 +909,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -944,7 +932,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration.h b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
index 344eead859711daceb9d55df6fc4137b9c6ce4e6..b88f00c67469ce93e1dc6335f81de22b00d37ac1 100644
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
@@ -235,6 +235,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -691,8 +692,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -829,35 +829,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -881,10 +855,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
-#define AUTO_BED_LEVELING_BILINEAR
+//#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -893,6 +879,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  //#define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -915,11 +908,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    //#define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -943,7 +931,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration.h b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
index 0d1cc036c8370f1a46d6e5548297d5c2cb54fd29..a6fafab2bddd5cac8a4cf4586b426ba3a6e32834 100644
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
@@ -74,6 +74,13 @@
 // example_configurations/delta directory.
 //
 
+//===========================================================================
+//============================= SCARA Printer ===============================
+//===========================================================================
+// For a Scara printer replace the configuration files with the files in the
+// example_configurations/SCARA directory.
+//
+
 // @section info
 
 // User-specified version info of this build to display in [Pronterface, etc] terminal window during
@@ -224,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -695,8 +703,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -833,35 +840,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -885,10 +866,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
-#define AUTO_BED_LEVELING_BILINEAR
+//#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -897,6 +890,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  //#define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -918,12 +918,6 @@
   //#define PROBE_Y_FIRST
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
-
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    //#define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -947,7 +941,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/makibox/Configuration.h b/Marlin/example_configurations/makibox/Configuration.h
index 9cbfde94b0de2f9f98b51c5a22aaa1234e8db4c2..4a3d8229bb3caf500b67352a368fe059e69bd300 100644
--- a/Marlin/example_configurations/makibox/Configuration.h
+++ b/Marlin/example_configurations/makibox/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -606,8 +607,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -744,35 +744,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -796,10 +770,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -808,6 +794,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -828,11 +821,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -856,7 +844,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/example_configurations/tvrrug/Round2/Configuration.h b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
index 1f984aa89cc58e47567e8cbc5bb84a88aeededbb..089d4751617f11de7e86cbc9b6db90438b3fb303 100644
--- a/Marlin/example_configurations/tvrrug/Round2/Configuration.h
+++ b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
@@ -231,6 +231,7 @@
  *    60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
  *    66 : 4.7M High Temperature thermistor from Dyze Design
  *    70 : the 100K thermistor found in the bq Hephestos 2
+ *    75 : 100k Generic Silicon Heat Pad typically a NTC 100K MGB18-104F39050L32 thermistor
  *
  *       1k ohm pullup tables - This is atypical, and requires changing out the 4.7k pullup for 1k.
  *                              (but gives greater accuracy and more stable PID)
@@ -599,8 +600,7 @@
 //
 // To use a separate Z probe, your board must define a Z_MIN_PROBE_PIN.
 //
-// For a servo-based Z probe, you must set up servo support below, including
-// NUM_SERVOS, Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES.
+// For a servo-based Z probe, just set Z_ENDSTOP_SERVO_NR and Z_SERVO_ANGLES above.
 //
 // - RAMPS 1.3/1.4 boards may be able to use the 5V, GND, and Aux4->D32 pin.
 // - Use 5V for powered (usu. inductive) sensors.
@@ -737,35 +737,9 @@
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 
-//===========================================================================
-//============================ Mesh Bed Leveling ============================
-//===========================================================================
-
-//#define MESH_BED_LEVELING    // Enable mesh bed leveling.
-
-#if ENABLED(MESH_BED_LEVELING)
-  #define MESH_INSET 10        // Mesh inset margin on print area
-  #define MESH_NUM_X_POINTS 3  // Don't use more than 7 points per axis, implementation limited.
-  #define MESH_NUM_Y_POINTS 3
-  #define MANUAL_PROBE_Z_RANGE 4 // Z Range centered on Z_MIN_POS for LCD Z adjustment
-
-  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest Z at Z_MIN_POS
-
-  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
-
-  #if ENABLED(MANUAL_BED_LEVELING)
-    #define MBL_Z_STEP 0.025  // Step size while manually probing Z axis.
-  #endif  // MANUAL_BED_LEVELING
-
-  // Gradually reduce leveling correction until a set height is reached,
-  // at which point movement will be level to the machine's XY plane.
-  // The height can be set with M420 Z<height>
-  #define ENABLE_LEVELING_FADE_HEIGHT
-
-#endif  // MESH_BED_LEVELING
 
 //===========================================================================
-//============================ Auto Bed Leveling ============================
+//=============================== Bed Leveling ==============================
 //===========================================================================
 // @section bedlevel
 
@@ -789,10 +763,22 @@
  *   Probe several points in a grid.
  *   You specify the rectangle and the density of sample points.
  *   The result is a mesh, best for large or uneven beds.
+ *
+ * - UBL Unified Bed Leveling
+ *   A comprehensive bed leveling system that combines features and benefits from previous
+ *   bed leveling system.  The UBL Bed Leveling System also includes an integrated and easy to use
+ *   Mesh Generation, Mesh Validation and Mesh Editing system.
+ *     - Currently, the UBL Bed Leveling System is only checked out for Cartesian Printers.  But with
+ *       that said, it was primarily designed to handle poor quality Delta Printers.  If you feel
+ *       adventurous and have a Delta, please post an issue if something doesn't work correctly.
+ *       Initially, you will need to reduce your declared bed size so you have a rectangular area to
+ *       test on.
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
 //#define AUTO_BED_LEVELING_BILINEAR
+//#define MESH_BED_LEVELING
+//#define AUTO_BED_LEVELING_UBL
 
 /**
  * Enable detailed logging of G28, G29, M48, etc.
@@ -801,6 +787,13 @@
  */
 //#define DEBUG_LEVELING_FEATURE
 
+#if ENABLED(MESH_BED_LEVELING) || ENABLED(AUTO_BED_LEVELING_BILINEAR) || ENABLED(AUTO_BED_LEVELING_UBL)
+  // Gradually reduce leveling correction until a set height is reached,
+  // at which point movement will be level to the machine's XY plane.
+  // The height can be set with M420 Z<height>
+  #define ENABLE_LEVELING_FADE_HEIGHT
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
@@ -821,11 +814,6 @@
 
   #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
 
-    // Gradually reduce leveling correction until a set height is reached,
-    // at which point movement will be level to the machine's XY plane.
-    // The height can be set with M420 Z<height>
-    #define ENABLE_LEVELING_FADE_HEIGHT
-
     //
     // Experimental Subdivision of the grid by Catmull-Rom method.
     // Synthesizes intermediate points to produce a more detailed mesh.
@@ -849,7 +837,42 @@
   #define ABL_PROBE_PT_3_X 170
   #define ABL_PROBE_PT_3_Y 20
 
-#endif
+#elif ENABLED(MESH_BED_LEVELING)
+
+//===========================================================================
+//=================================== Mesh ==================================
+//===========================================================================
+
+  #define MANUAL_PROBE_Z_RANGE 4 // Z after Home, bed somewhere below but above 0.0.
+  #define MESH_INSET 10          // Mesh inset margin on print area
+  #define MESH_NUM_X_POINTS 3    // Don't use more than 7 points per axis, implementation limited.
+  #define MESH_NUM_Y_POINTS 3
+
+  //#define MESH_G28_REST_ORIGIN // After homing all axes ('G28' or 'G28 XYZ') rest at origin [0,0,0]
+
+  //#define MANUAL_BED_LEVELING  // Add display menu option for bed leveling.
+
+  #if ENABLED(MANUAL_BED_LEVELING)
+    #define MBL_Z_STEP 0.025     // Step size while manually probing Z axis.
+  #endif  // MANUAL_BED_LEVELING
+
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+
+//===========================================================================
+//========================= Unified Bed Leveling ============================
+//===========================================================================
+
+  #define UBL_MESH_INSET 1          // Mesh inset margin on print area
+  #define UBL_MESH_NUM_X_POINTS 10  // Don't use more than 15 points per axis, implementation limited.
+  #define UBL_MESH_NUM_Y_POINTS 10
+  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
+  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+  #define UBL_PROBE_PT_2_X 39
+  #define UBL_PROBE_PT_2_Y 20
+  #define UBL_PROBE_PT_3_X 180
+  #define UBL_PROBE_PT_3_Y 20
+
+#endif  // BED_LEVELING
 
 /**
  * Commands to execute at the end of G29 probing.
diff --git a/Marlin/hex_print_routines.cpp b/Marlin/hex_print_routines.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..19563ccb887f023d2f5da7e5fb9b58a159dcff01
--- /dev/null
+++ b/Marlin/hex_print_routines.cpp
@@ -0,0 +1,47 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#include "Marlin.h"
+#if ENABLED(AUTO_BED_LEVELING_UBL) || ENABLED(M100_FREE_MEMORY_WATCHER)
+
+#include "hex_print_routines.h"
+
+void prt_hex_nibble(uint8_t n) {
+  if (n <= 9)
+    SERIAL_ECHO(n);
+  else
+    SERIAL_ECHO((char)('A' + n - 10));
+  delay(3);
+}
+
+void prt_hex_byte(uint8_t b) {
+  prt_hex_nibble((b & 0xF0) >> 4);
+  prt_hex_nibble(b & 0x0F);
+}
+
+void prt_hex_word(uint16_t w) {
+  prt_hex_byte((w & 0xFF00) >> 8);
+  prt_hex_byte(w & 0x0FF);
+}
+
+#endif // AUTO_BED_LEVELING_UBL || M100_FREE_MEMORY_WATCHER
diff --git a/Marlin/hex_print_routines.h b/Marlin/hex_print_routines.h
new file mode 100644
index 0000000000000000000000000000000000000000..f6b7b28e2c84ddc6272a9f7689432d5947ab8e1c
--- /dev/null
+++ b/Marlin/hex_print_routines.h
@@ -0,0 +1,33 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef HEX_PRINT_ROUTINES_H
+#define HEX_PRINT_ROUTINES_H
+
+//
+// 3 support routines to print hex numbers.  We can print a nibble, byte and word
+//
+void prt_hex_nibble(uint8_t n);
+void prt_hex_byte(uint8_t b);
+void prt_hex_word(uint16_t w);
+
+#endif // HEX_PRINT_ROUTINES_H
\ No newline at end of file
diff --git a/Marlin/printcounter.cpp b/Marlin/printcounter.cpp
index b6cef6e71d53b27d7079bbe7fb6f753266cc71fc..b91b850b9d079ea70edf03958a145cc4e11e3ba2 100644
--- a/Marlin/printcounter.cpp
+++ b/Marlin/printcounter.cpp
@@ -120,7 +120,7 @@ void PrintCounter::showStats() {
   #if ENABLED(DEBUG_PRINTCOUNTER)
     SERIAL_ECHOPGM(" (");
     SERIAL_ECHO(this->data.printTime);
-    SERIAL_ECHOPGM(")");
+    SERIAL_CHAR(')');
   #endif
 
   elapsed = this->data.longestPrint;
@@ -132,7 +132,7 @@ void PrintCounter::showStats() {
   #if ENABLED(DEBUG_PRINTCOUNTER)
     SERIAL_ECHOPGM(" (");
     SERIAL_ECHO(this->data.longestPrint);
-    SERIAL_ECHOPGM(")");
+    SERIAL_CHAR(')');
   #endif
 
   SERIAL_EOL;
diff --git a/Marlin/temperature.cpp b/Marlin/temperature.cpp
index af76edb0ff270412a082266f343ccb4ad2f7c2fc..883133806ee340c10f18443fb96b5e28926d1c8f 100644
--- a/Marlin/temperature.cpp
+++ b/Marlin/temperature.cpp
@@ -24,6 +24,8 @@
  * temperature.cpp - temperature control
  */
 
+
+
 #include "Marlin.h"
 #include "ultralcd.h"
 #include "temperature.h"
@@ -666,6 +668,17 @@ float Temperature::get_pid_output(int e) {
  *  - Apply filament width to the extrusion rate (may move)
  *  - Update the heated bed PID output value
  */
+
+/**
+ * The following line SOMETIMES results in the dreaded "unable to find a register to spill in class 'POINTER_REGS'"
+ * compile error.
+ *    thermal_runaway_protection(&thermal_runaway_state_machine[e], &thermal_runaway_timer[e], current_temperature[e], target_temperature[e], e, THERMAL_PROTECTION_PERIOD, THERMAL_PROTECTION_HYSTERESIS);
+ *
+ * This is due to a bug in the C++ compiler used by the Arduino IDE from 1.6.10 to at least 1.8.1.
+ *
+ * The work around is to add the compiler flag "__attribute__((__optimize__("O2")))" to the declaration for manage_heater()
+ */
+//void Temperature::manage_heater()  __attribute__((__optimize__("O2")));
 void Temperature::manage_heater() {
 
   if (!temp_meas_ready) return;
diff --git a/Marlin/temperature.h b/Marlin/temperature.h
index e5921484478280e50ef8e99eae067514d27a5a1a..d6451554fc369650e9bdad156e2073ff57087d5c 100644
--- a/Marlin/temperature.h
+++ b/Marlin/temperature.h
@@ -241,7 +241,8 @@ class Temperature {
     /**
      * Call periodically to manage heaters
      */
-    static void manage_heater();
+    //static void manage_heater(); // changed to address compiler error
+    static void manage_heater()  __attribute__((__optimize__("O2")));
 
     /**
      * Preheating hotends
diff --git a/Marlin/thermistornames.h b/Marlin/thermistornames.h
index 64829ce74b010af8b5fd2d9558ed893d62a0fb79..2e672a45001ebc2a0731ce8379cf683ae4f5bb2d 100644
--- a/Marlin/thermistornames.h
+++ b/Marlin/thermistornames.h
@@ -65,6 +65,8 @@
   #define THERMISTOR_NAME "Makers Tool"
 #elif THERMISTOR_ID == 70
   #define THERMISTOR_NAME "Hephestos 2"
+#elif THERMISTOR_ID == 75
+  #define THERMISTOR_NAME "MGB18"
 
 // Modified thermistors
 #elif THERMISTOR_ID == 51
diff --git a/Marlin/thermistortable_75.h b/Marlin/thermistortable_75.h
new file mode 100644
index 0000000000000000000000000000000000000000..01be61146d99f8a40535b13f1f6aa2115dc6cac9
--- /dev/null
+++ b/Marlin/thermistortable_75.h
@@ -0,0 +1,69 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+// Generic Silicon Heat Pad with NTC 100K thermistor ( Beta 25/50 3950K)
+//
+// Many of the generic silicon heat pads use the MGB18-104F39050L32 Thermistor   It is used for various
+// wattage and voltage heat pads.  This table is correct if this part is used.   It has been
+// optimized to provide good granularity around the 60 C. and 110 C. which corrisponds to bed temperatures
+// for PLA and ABS.  If you are printing higher temperature filament such as nylon you can uncomment
+// the higher earlier entries in the table to give better accuracy.  But for speed reasons, if these
+// temperatures are not going to be used, it is better to leave them commented out.
+
+const short temptable_75[][2] PROGMEM = { // Generic Silicon Heat Pad with NTC 100K MGB18-104F39050L32 thermistor
+    { (short) ( 111.06 * OVERSAMPLENR ),  200 }, // v=0.542 r=571.747 res=0.501 degC/count
+//  { (short) ( 174.87 * OVERSAMPLENR ),  175 }, // v=0.854 r=967.950 res=0.311 degC/count  These values are valid.  But they serve no
+//  { (short) ( 191.64 * OVERSAMPLENR ),  170 }, // v=0.936 r=1082.139 res=0.284 degC/count  purpose.  It is better to delete them so
+//  { (short) ( 209.99 * OVERSAMPLENR ),  165 }, // v=1.025 r=1212.472 res=0.260 degC/count  the search is quicker and get to the meaningful
+//  { (short) ( 230.02 * OVERSAMPLENR ),  160 }, // v=1.123 r=1361.590 res=0.239 degC/count  part of the table sooner.
+//  { (short) ( 251.80 * OVERSAMPLENR ),  155 }, // v=1.230 r=1532.621 res=0.220 degC/count
+    { (short) ( 275.43 * OVERSAMPLENR ),  150 }, // v=1.345 r=1729.283 res=0.203 degC/count
+//  { (short) ( 300.92 * OVERSAMPLENR ),  145 }, // v=1.469 r=1956.004 res=0.189 degC/coun
+    { (short) ( 328.32 * OVERSAMPLENR ),  140 }, // v=1.603 r=2218.081 res=0.176 degC/count
+    { (short) ( 388.65 * OVERSAMPLENR ),  130 }, // v=1.898 r=2874.980 res=0.156 degC/count
+    { (short) ( 421.39 * OVERSAMPLENR ),  125 }, // v=2.058 r=3286.644 res=0.149 degC/count
+    { (short) ( 455.65 * OVERSAMPLENR ),  120 }, // v=2.225 r=3768.002 res=0.143 degC/count
+    { (short) ( 491.17 * OVERSAMPLENR ),  115 }, // v=2.398 r=4332.590 res=0.139 degC/count
+    { (short) ( 527.68 * OVERSAMPLENR ),  110 }, // v=2.577 r=4996.905 res=0.136 degC/count
+    { (short) ( 564.81 * OVERSAMPLENR ),  105 }, // v=2.758 r=5781.120 res=0.134 degC/count
+    { (short) ( 602.19 * OVERSAMPLENR ),  100 }, // v=2.940 r=6710.000 res=0.134 degC/count
+    { (short) ( 676.03 * OVERSAMPLENR ),   90 }, // v=3.301 r=9131.018 res=0.138 degC/count
+    { (short) ( 745.85 * OVERSAMPLENR ),   80 }, // v=3.642 r=12602.693 res=0.150 degC/count
+    { (short) ( 778.31 * OVERSAMPLENR ),   75 }, // v=3.800 r=14889.001 res=0.159 degC/count
+    { (short) ( 808.75 * OVERSAMPLENR ),   70 }, // v=3.949 r=17658.700 res=0.171 degC/count
+    { (short) ( 836.94 * OVERSAMPLENR ),   65 }, // v=4.087 r=21028.040 res=0.185 degC/count
+    { (short) ( 862.74 * OVERSAMPLENR ),   60 }, // v=4.213 r=25144.568 res=0.204 degC/count
+    { (short) ( 886.08 * OVERSAMPLENR ),   55 }, // v=4.327 r=30196.449 res=0.227 degC/count
+    { (short) ( 906.97 * OVERSAMPLENR ),   50 }, // v=4.429 r=36424.838 res=0.255 degC/count
+    { (short) ( 941.65 * OVERSAMPLENR ),   40 }, // v=4.598 r=53745.337 res=0.333 degC/count
+    { (short) ( 967.76 * OVERSAMPLENR ),   30 }, // v=4.725 r=80880.630 res=0.452 degC/count
+    { (short) ( 978.03 * OVERSAMPLENR ),   25 }, // v=4.776 r=100000.000 res=0.535 degC/count
+    { (short) ( 981.68 * OVERSAMPLENR ),   23 }, // v=4.793 r=109024.395 res=0.573 degC/count
+    { (short) ( 983.41 * OVERSAMPLENR ),   22 }, // v=4.802 r=113875.430 res=0.594 degC/count
+    { (short) ( 985.08 * OVERSAMPLENR ),   21 }, // v=4.810 r=118968.955 res=0.616 degC/count
+    { (short) ( 986.70 * OVERSAMPLENR ),   20 }, // v=4.818 r=124318.354 res=0.638 degC/count
+    { (short) ( 993.94 * OVERSAMPLENR ),   15 }, // v=4.853 r=155431.302 res=0.768 degC/count
+    { (short) ( 999.96 * OVERSAMPLENR ),   10 }, // v=4.883 r=195480.023 res=0.934 degC/count
+    { (short) (1008.95 * OVERSAMPLENR ),    0 }  // v=4.926 r=314997.575 res=1.418 degC/count
+};
+
+
diff --git a/Marlin/thermistortables.h b/Marlin/thermistortables.h
index 36e5fe93bdc3b3328141c533092a06c4f5cfb541..421cfb7b77d520617be3899914d29ba478bf6fe7 100644
--- a/Marlin/thermistortables.h
+++ b/Marlin/thermistortables.h
@@ -103,6 +103,9 @@
 #if ANY_THERMISTOR_IS(70) // bqh2 stock thermistor
   #include "thermistortable_70.h"
 #endif
+#if ANY_THERMISTOR_IS(75) // Many of the generic silicon heat pads use the MGB18-104F39050L32 Thermistor
+  #include "thermistortable_75.h"
+#endif
 #if ANY_THERMISTOR_IS(110) // Pt100 with 1k0 pullup
   #include "thermistortable_110.h"
 #endif
diff --git a/Marlin/ultralcd.cpp b/Marlin/ultralcd.cpp
index 2ba5419c5cc37c380b6d191506c3f1aa58e9a3c6..e36444582e18bd69e3b4101c9fe39008d17569fc 100755
--- a/Marlin/ultralcd.cpp
+++ b/Marlin/ultralcd.cpp
@@ -30,6 +30,8 @@
 #include "configuration_store.h"
 #include "utility.h"
 
+extern float zprobe_zoffset;
+
 #if HAS_BUZZER && DISABLED(LCD_USE_I2C_BUZZER)
   #include "buzzer.h"
 #endif
@@ -121,6 +123,11 @@ uint16_t max_display_update_time = 0;
   bool encoderRateMultiplierEnabled;
   int32_t lastEncoderMovementMillis;
 
+  #if ENABLED(AUTO_BED_LEVELING_UBL)
+  extern int UBL_has_control_of_LCD_Panel;
+  extern int G29_encoderDiff;
+  #endif
+
   #if HAS_POWER_SWITCH
     extern bool powersupply;
   #endif
@@ -801,6 +808,89 @@ void kill_screen(const char* lcd_msg) {
 
   #endif //BABYSTEPPING
 
+  #if ENABLED(AUTO_BED_LEVELING_UBL)
+
+    float Mesh_Edit_Value, Mesh_Edit_Accumulator; // We round Mesh_Edit_Value to 2.5 decimal places.  So we keep a
+                                                  // seperate value that doesn't lose precision.
+    static int loop_cnt=0, last_seen_bits;
+
+    static void _lcd_mesh_fine_tune( const char* msg) {
+      static unsigned long last_click=0;
+      int  last_digit, movement;
+      long int rounded;
+
+      defer_return_to_status = true;
+      if (encoderPosition) {                     // If moving the Encoder wheel very slowly, we just go
+        if ( (millis() - last_click) > 500L) {   // up or down by 1 position
+          if ( ((int32_t)encoderPosition) > 0 ) {
+            encoderPosition = 1;
+          }
+          else {
+            encoderPosition = (uint32_t) -1;
+          }
+        }
+        last_click = millis();
+
+        Mesh_Edit_Accumulator += ( (float) ((int32_t)encoderPosition)) * .005 / 2.0 ;
+        Mesh_Edit_Value       = Mesh_Edit_Accumulator;
+        encoderPosition       = 0;
+        lcdDrawUpdate       = LCDVIEW_REDRAW_NOW;
+
+        rounded    = (long int) (Mesh_Edit_Value * 1000.0);
+        last_digit = rounded % 5L; //10L;
+        rounded    = rounded - last_digit;
+        last_digit = rounded % 5L; //10L;
+        Mesh_Edit_Value  = ((float) rounded) / 1000.0;
+      }
+
+      if (lcdDrawUpdate) {
+        lcd_implementation_drawedit(msg, ftostr43sign( (float) Mesh_Edit_Value  ));
+      }
+
+      if ( !UBL_has_control_of_LCD_Panel && LCD_CLICKED ) {
+        UBL_has_control_of_LCD_Panel=1;   // We need to lock the normal LCD Panel System outbecause G29 (and G26) are looking for
+        lcd_return_to_status();           // long presses of the Encoder Wheel and the LCD System goes spastic when that happens.
+                                          // We will give back control from those routines when the switch is debounced.
+      }
+    }
+
+
+    void _lcd_mesh_edit() {
+      _lcd_mesh_fine_tune( PSTR("Mesh Editor: "));
+    }
+
+    float lcd_mesh_edit() {
+      lcd_goto_screen(_lcd_mesh_edit);
+      return Mesh_Edit_Value;
+    }
+
+    void lcd_mesh_edit_setup(float inital) {
+      Mesh_Edit_Value       = inital;
+      Mesh_Edit_Accumulator = inital;
+      lcd_goto_screen(_lcd_mesh_edit);
+      return ;
+    }
+
+    void _lcd_z_offset_edit() {
+      _lcd_mesh_fine_tune( PSTR("Z-Offset: "));
+    }
+
+    float lcd_z_offset_edit() {
+      lcd_goto_screen(_lcd_z_offset_edit);
+      return Mesh_Edit_Value;
+    }
+
+    void lcd_z_offset_edit_setup(float inital) {
+      Mesh_Edit_Value       = inital;
+      Mesh_Edit_Accumulator = inital;
+      lcd_goto_screen(_lcd_z_offset_edit);
+      return ;
+    }
+
+
+  #endif // AUTO_BED_LEVELING_UBL
+
+
   /**
    * Watch temperature callbacks
    */
@@ -1307,7 +1397,11 @@ KeepDrawing:
     void _lcd_level_bed_moving() {
       if (lcdDrawUpdate) {
         char msg[10];
-        sprintf_P(msg, PSTR("%i / %u"), (int)(manual_probe_index + 1), (MESH_NUM_X_POINTS) * (MESH_NUM_Y_POINTS));
+        #if ENABLED(MESH_BED_LEVELING)
+          sprintf_P(msg, PSTR("%i / %u"), (int)(manual_probe_index + 1), (MESH_NUM_X_POINTS) * (MESH_NUM_Y_POINTS));
+        #elif ENABLED(AUTO_BED_LEVELING_UBL)
+          sprintf_P(msg, PSTR("%i / %u"), (int)(manual_probe_index + 1), (UBL_MESH_NUM_X_POINTS) * (UBL_MESH_NUM_Y_POINTS));
+        #endif
         lcd_implementation_drawedit(PSTR(MSG_LEVEL_BED_NEXT_POINT), msg);
       }
 
@@ -3110,8 +3204,14 @@ void lcd_update() {
 
     lcd_buttons_update();
 
+    #if ENABLED(AUTO_BED_LEVELING_UBL)
+      const bool UBL_CONDITION = !UBL_has_control_of_LCD_Panel;
+    #else
+      constexpr bool UBL_CONDITION = true;
+    #endif
+
     // If the action button is pressed...
-    if (LCD_CLICKED) {
+    if (UBL_CONDITION && LCD_CLICKED) {
       if (!wait_for_unclick) {           // If not waiting for a debounce release:
         wait_for_unclick = true;         //  Set debounce flag to ignore continous clicks
         lcd_clicked = !wait_for_user;    //  Keep the click if not waiting for a user-click
@@ -3520,8 +3620,15 @@ void lcd_reset_alert_level() { lcd_status_message_level = 0; }
         case encrot2: ENCODER_SPIN(encrot1, encrot3); break;
         case encrot3: ENCODER_SPIN(encrot2, encrot0); break;
       }
+      #if ENABLED(AUTO_BED_LEVELING_UBL)
+        if (UBL_has_control_of_LCD_Panel) {
+          G29_encoderDiff = encoderDiff;    // Make the encoder's rotation available to G29's Mesh Editor
+          encoderDiff = 0;                  // We are going to lie to the LCD Panel and claim the encoder
+                                            // wheel has not turned.
+        }
+      #endif
+      lastEncoderBits = enc;
     }
-    lastEncoderBits = enc;
   }
 
   #if (ENABLED(LCD_I2C_TYPE_MCP23017) || ENABLED(LCD_I2C_TYPE_MCP23008)) && ENABLED(DETECT_DEVICE)
@@ -3530,6 +3637,19 @@ void lcd_reset_alert_level() { lcd_status_message_level = 0; }
     bool lcd_detected() { return true; }
   #endif
 
+  #if ENABLED(AUTO_BED_LEVELING_UBL)
+    void chirp_at_user() {
+      #if ENABLED(LCD_USE_I2C_BUZZER)
+        lcd.buzz(LCD_FEEDBACK_FREQUENCY_DURATION_MS, LCD_FEEDBACK_FREQUENCY_HZ);
+      #elif PIN_EXISTS(BEEPER)
+        buzzer.tone(LCD_FEEDBACK_FREQUENCY_DURATION_MS, LCD_FEEDBACK_FREQUENCY_HZ);
+      #endif
+    }
+
+    bool G29_lcd_clicked() { return LCD_CLICKED; }
+
+  #endif
+
 #endif // ULTIPANEL
 
 #endif // ULTRA_LCD
diff --git a/Marlin/ultralcd_impl_DOGM.h b/Marlin/ultralcd_impl_DOGM.h
index cbfecacfe80d55a614460d97112900a5d2d8efbd..5f1e4447f2c6543d8c3c454f26802503d83066c1 100644
--- a/Marlin/ultralcd_impl_DOGM.h
+++ b/Marlin/ultralcd_impl_DOGM.h
@@ -320,7 +320,7 @@ void lcd_kill_screen() {
   lcd_printPGM(PSTR(MSG_PLEASE_RESET));
 }
 
-static void lcd_implementation_clear() { } // Automatically cleared by Picture Loop
+void lcd_implementation_clear() { } // Automatically cleared by Picture Loop
 
 //
 // Status Screen
diff --git a/Marlin/ultralcd_impl_HD44780.h b/Marlin/ultralcd_impl_HD44780.h
index 8ccc961238c4a0a8314c50b162001bc1fd0ab4b4..7ac7f86b85569ecca94f2a6c1ebacfaba90a548e 100644
--- a/Marlin/ultralcd_impl_HD44780.h
+++ b/Marlin/ultralcd_impl_HD44780.h
@@ -378,7 +378,7 @@ static void lcd_implementation_init(
   lcd.clear();
 }
 
-static void lcd_implementation_clear() { lcd.clear(); }
+void lcd_implementation_clear() { lcd.clear(); }
 
 /* Arduino < 1.0.0 is missing a function to print PROGMEM strings, so we need to implement our own */
 void lcd_printPGM(const char *str) {