diff --git a/Marlin/src/pins/pins_FORMBOT_TREX3.h b/Marlin/src/pins/pins_FORMBOT_TREX3.h
new file mode 100644
index 0000000000000000000000000000000000000000..322e0f2ea02a44a3748fc97969e0cfba4c5c1025
--- /dev/null
+++ b/Marlin/src/pins/pins_FORMBOT_TREX3.h
@@ -0,0 +1,195 @@
+/**
+ * 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/>.
+ *
+ */
+
+/**
+ * Formbot pin assignments
+ */
+
+#ifndef __AVR_ATmega2560__
+  #error "Oops!  Make sure you have 'Arduino Mega' selected from the 'Tools -> Boards' menu."
+#endif
+
+#if E_STEPPERS > 3 || HOTENDS > 3
+  #error "Formbot supports up to 3 hotends / E-steppers. Comment this line to keep going."
+#endif
+
+#define DEFAULT_MACHINE_NAME "Formbot"
+#define BOARD_NAME           "Formbot"
+
+//
+// Servos
+//
+#define SERVO0_PIN         11
+#define SERVO1_PIN         -1    // was 6
+#define SERVO2_PIN         -1
+#define SERVO3_PIN         -1
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN           3
+#ifndef X_MAX_PIN
+  #define X_MAX_PIN         2
+#endif
+#define Y_MIN_PIN          14
+#define Y_MAX_PIN          15
+#define Z_MIN_PIN          18
+#define Z_MAX_PIN          19
+
+//
+// Z Probe (when not Z_MIN_PIN)
+//
+#ifndef Z_MIN_PROBE_PIN
+  #define Z_MIN_PROBE_PIN  32
+#endif
+
+//
+// Steppers
+//
+#define X_STEP_PIN         54
+#define X_DIR_PIN          55
+#define X_ENABLE_PIN       38
+#ifndef X_CS_PIN
+  #define X_CS_PIN         53
+#endif
+
+#define Y_STEP_PIN         60
+#define Y_DIR_PIN          61
+#define Y_ENABLE_PIN       56
+#ifndef Y_CS_PIN
+  #define Y_CS_PIN         49
+#endif
+
+#define Z_STEP_PIN         46
+#define Z_DIR_PIN          48
+#define Z_ENABLE_PIN       62
+#ifndef Z_CS_PIN
+  #define Z_CS_PIN         40
+#endif
+
+#define E0_STEP_PIN        26
+#define E0_DIR_PIN         28
+#define E0_ENABLE_PIN      24
+#ifndef E0_CS_PIN
+  #define E0_CS_PIN        42
+#endif
+
+#define E1_STEP_PIN        36
+#define E1_DIR_PIN         34
+#define E1_ENABLE_PIN      30
+#ifndef E1_CS_PIN
+  #define E1_CS_PIN        44
+#endif
+
+#define E2_STEP_PIN        42
+#define E2_DIR_PIN         43
+#define E2_ENABLE_PIN      44
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN         13   // Analog Input
+#define TEMP_1_PIN         15   // Analog Input
+#define TEMP_BED_PIN        3   // Analog Input
+
+// SPI for Max6675 or Max31855 Thermocouple
+#if DISABLED(SDSUPPORT)
+  #define MAX6675_SS       66 // Do not use pin 53 if there is even the remote possibility of using Display/SD card
+#else
+  #define MAX6675_SS       66 // Do not use pin 49 as this is tied to the switch inside the SD card socket to detect if there is an SD card present
+#endif
+
+//
+// Augmentation for auto-assigning RAMPS plugs
+//
+#if DISABLED(IS_RAMPS_EEB) && DISABLED(IS_RAMPS_EEF) && DISABLED(IS_RAMPS_EFB) && DISABLED(IS_RAMPS_EFF) && DISABLED(IS_RAMPS_SF) && !PIN_EXISTS(MOSFET_D)
+  #if HOTENDS > 1
+    #if TEMP_SENSOR_BED
+      #define IS_RAMPS_EEB
+    #else
+      #define IS_RAMPS_EEF
+    #endif
+  #elif TEMP_SENSOR_BED
+    #define IS_RAMPS_EFB
+  #else
+    #define IS_RAMPS_EFF
+  #endif
+#endif
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN       10
+#define HEATER_1_PIN        7
+#define HEATER_BED_PIN      8
+
+#define FAN_PIN             9
+#define FAN1_PIN            4
+
+
+#if DISABLED(ICSP_PORT_SWITCHES)
+  #define FIL_RUNOUT_PIN    22
+  #define FIL_RUNOUT2_PIN   21
+#else
+  #if ENABLED(FILAMENT_RUNOUT_SENSOR)
+    #define FIL_RUNOUT_PIN  52
+    #define FIL_RUNOUT2_PIN 50
+  #endif
+#endif
+
+//
+// Misc. Functions
+//
+#define CASE_LIGHT_PIN      5
+#define SDSS               53
+#ifndef ROXYs_TRex
+  #define LED_PIN          13
+#endif
+
+// Use the RAMPS 1.4 Analog input 5 on the AUX2 connector
+#define FILWIDTH_PIN        5   // Analog Input
+
+#ifndef PS_ON_PIN
+  #define PS_ON_PIN        12
+#endif
+
+//
+// LCD / Controller
+//
+// Formbot only supports REPRAP_DISCOUNT_SMART_CONTROLLER
+//
+#if ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER)
+  #define LCD_PINS_RS      16
+  #define LCD_PINS_ENABLE  17
+  #define LCD_PINS_D4      23
+  #define LCD_PINS_D5      25
+  #define LCD_PINS_D6      27
+  #define LCD_PINS_D7      29
+  #define BTN_EN1          31
+  #define BTN_EN2          33
+  #define BTN_ENC          35
+  #define SD_DETECT_PIN    49
+  #ifndef ROXYs_TRex
+    #define KILL_PIN       41
+    #define BEEPER_PIN     37
+  #endif
+#endif