From acb1e313746c721c470e8e045bdd98446b4c58c7 Mon Sep 17 00:00:00 2001
From: Roxy-3D <Roxy-3D@users.noreply.github.com>
Date: Tue, 16 Jan 2018 17:58:15 -0600
Subject: [PATCH] Fix UBL Mesh Size regression
---
Marlin/src/inc/Conditionals_post.h | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/Marlin/src/inc/Conditionals_post.h b/Marlin/src/inc/Conditionals_post.h
index 5ce961dcf0..dcaacbcf3f 100644
--- a/Marlin/src/inc/Conditionals_post.h
+++ b/Marlin/src/inc/Conditionals_post.h
@@ -1064,10 +1064,13 @@
#define _MESH_MAX_Y (MAX_PROBE_Y - (MESH_INSET))
#else
// Boundaries for Cartesian probing based on set limits
- #define _MESH_MIN_X (max(X_MIN_BED + MESH_INSET, X_MIN_POS + X_PROBE_OFFSET_FROM_EXTRUDER))
- #define _MESH_MIN_Y (max(Y_MIN_BED + MESH_INSET, Y_MIN_POS + Y_PROBE_OFFSET_FROM_EXTRUDER))
- #define _MESH_MAX_X (min(X_MAX_BED - (MESH_INSET), X_MAX_POS + X_PROBE_OFFSET_FROM_EXTRUDER))
- #define _MESH_MAX_Y (min(Y_MAX_BED - (MESH_INSET), Y_MAX_POS + Y_PROBE_OFFSET_FROM_EXTRUDER))
+ #if ENABLED(AUTO_BED_LEVELING_UBL)
+ #define _MESH_MIN_X (max(X_MIN_BED + MESH_INSET, X_MIN_POS)) // UBL is careful not to probe off the bed. It does not
+ #define _MESH_MIN_Y (max(Y_MIN_BED + MESH_INSET, Y_MIN_POS)) // need *_PROBE_OFFSET_FROM_EXTRUDER in the mesh dimensions
+ #else
+ #define _MESH_MIN_X (max(X_MIN_BED + MESH_INSET, X_MIN_POS + X_PROBE_OFFSET_FROM_EXTRUDER))
+ #define _MESH_MIN_Y (max(Y_MIN_BED + MESH_INSET, Y_MIN_POS + Y_PROBE_OFFSET_FROM_EXTRUDER))
+ #endif
#endif
/**
* These may be overridden in Configuration if a smaller area is wanted
--
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