Find three-point leveling points on Delta

Marlin/Configuration.h

@@ -881,12 +881,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/Cartesio/Configuration.h

@@ -878,12 +878,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/Felix/Configuration.h

@@ -862,12 +862,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/Felix/DUAL/Configuration.h

@@ -862,12 +862,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/FolgerTech-i3-2020/Configuration.h

@@ -884,12 +884,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y 10
-  #define UBL_PROBE_PT_1_X 45       // These set the probe locations for when UBL does a 3-Point leveling
-  #define UBL_PROBE_PT_1_Y 170      // of the mesh.
+
+  #define UBL_PROBE_PT_1_X 45       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 170
   #define UBL_PROBE_PT_2_X 45
   #define UBL_PROBE_PT_2_Y 25
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 25
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/Hephestos/Configuration.h

@@ -870,12 +870,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/Hephestos_2/Configuration.h

@@ -873,12 +873,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/K8200/Configuration.h

@@ -909,12 +909,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/K8400/Configuration.h

@@ -880,12 +880,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/K8400/Dual-head/Configuration.h

@@ -880,12 +880,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/M150/Configuration.h

@@ -907,12 +907,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

@@ -880,12 +880,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/RigidBot/Configuration.h

@@ -878,12 +878,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/SCARA/Configuration.h

@@ -895,12 +895,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/TAZ4/Configuration.h

@@ -899,12 +899,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/TinyBoy2/Configuration.h

@@ -936,12 +936,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/WITBOX/Configuration.h

@@ -870,12 +870,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/adafruit/ST7565/Configuration.h

@@ -880,12 +880,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h

@@ -999,12 +999,16 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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
+
+  #define _PX(R,A) (R) * cos(RADIANS(A))
+  #define _PY(R,A) (R) * sin(RADIANS(A))
+  #define UBL_PROBE_PT_1_X _PX(DELTA_PROBEABLE_RADIUS, 0)   // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y _PY(DELTA_PROBEABLE_RADIUS, 0)
+  #define UBL_PROBE_PT_2_X _PX(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_2_Y _PY(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
+  #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h

@@ -1001,12 +1001,16 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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
+
+  #define _PX(R,A) (R) * cos(RADIANS(A))
+  #define _PY(R,A) (R) * sin(RADIANS(A))
+  #define UBL_PROBE_PT_1_X _PX(DELTA_PROBEABLE_RADIUS, 0)   // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y _PY(DELTA_PROBEABLE_RADIUS, 0)
+  #define UBL_PROBE_PT_2_X _PX(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_2_Y _PY(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
+  #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/delta/generic/Configuration.h

@@ -990,12 +990,16 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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
+
+  #define _PX(R,A) (R) * cos(RADIANS(A))
+  #define _PY(R,A) (R) * sin(RADIANS(A))
+  #define UBL_PROBE_PT_1_X _PX(DELTA_PROBEABLE_RADIUS, 0)   // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y _PY(DELTA_PROBEABLE_RADIUS, 0)
+  #define UBL_PROBE_PT_2_X _PX(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_2_Y _PY(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
+  #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/delta/kossel_mini/Configuration.h

@@ -993,12 +993,16 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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
+
+  #define _PX(R,A) (R) * cos(RADIANS(A))
+  #define _PY(R,A) (R) * sin(RADIANS(A))
+  #define UBL_PROBE_PT_1_X _PX(DELTA_PROBEABLE_RADIUS, 0)   // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y _PY(DELTA_PROBEABLE_RADIUS, 0)
+  #define UBL_PROBE_PT_2_X _PX(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_2_Y _PY(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
+  #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/delta/kossel_pro/Configuration.h

@@ -998,12 +998,16 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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
+
+  #define _PX(R,A) (R) * cos(RADIANS(A))
+  #define _PY(R,A) (R) * sin(RADIANS(A))
+  #define UBL_PROBE_PT_1_X _PX(DELTA_PROBEABLE_RADIUS, 0)   // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y _PY(DELTA_PROBEABLE_RADIUS, 0)
+  #define UBL_PROBE_PT_2_X _PX(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_2_Y _PY(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
+  #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/delta/kossel_xl/Configuration.h

@@ -1056,12 +1056,16 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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
+
+  #define _PX(R,A) (R) * cos(RADIANS(A))
+  #define _PY(R,A) (R) * sin(RADIANS(A))
+  #define UBL_PROBE_PT_1_X _PX(DELTA_PROBEABLE_RADIUS, 0)   // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y _PY(DELTA_PROBEABLE_RADIUS, 0)
+  #define UBL_PROBE_PT_2_X _PX(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_2_Y _PY(DELTA_PROBEABLE_RADIUS, 120)
+  #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
+  #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/gCreate_gMax1.5+/Configuration.h

@@ -896,12 +896,14 @@
   #define UBL_MESH_INSET 45         // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #define UBL_PROBE_PT_1_X 53       // These set the probe locations for when UBL does a 3-Point leveling
-  #define UBL_PROBE_PT_1_Y 323      // of the mesh.
+
+  #define UBL_PROBE_PT_1_X 53       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 323
   #define UBL_PROBE_PT_2_X 53
   #define UBL_PROBE_PT_2_Y 63
   #define UBL_PROBE_PT_3_X 348
   #define UBL_PROBE_PT_3_Y 211
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/makibox/Configuration.h

@@ -883,12 +883,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/tvrrug/Round2/Configuration.h

@@ -875,12 +875,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/example_configurations/wt150/Configuration.h

@@ -885,12 +885,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #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_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #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
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle