Merge branch 'main' into dev/update-bbs-network

.github/workflows/build_orca.yml

@@ -194,7 +194,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: OrcaSlicer_Windows_${{ env.ver }}_portable
-          path: ${{ github.workspace }}/build/OrcaSlicer_Windows_${{ env.ver }}_portable.zip
+          path: ${{ github.workspace }}/build/OrcaSlicer
 
       - name: Upload artifacts Win installer
         if: inputs.os == 'windows-latest'

resources/profiles/Creality/filament/Creality Generic ABS @K2-all.json

@@ -17,6 +17,7 @@
     "slow_down_min_speed": [
         "20"
     ],
+	"filament_start_gcode": ["; filament start gcode\n{if (position[2] > first_layer_height) }\nM104 S[nozzle_temperature]\n{else}\nM104 S[first_layer_temperature]\n{endif}\n\n{if(initial_extruder != current_extruder || position[2] > first_layer_height)}\n{if (position[2] +0.4  < printable_height) }\nG2 Z{position[2]  + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\nG1 X205 Y345 F20000\nG1 Z{position[2] } F1200\n{else}\nG1 X205 Y345 F20000\n{endif}\n{endif}\n"],
     "compatible_printers": [
         "Creality K2 Plus 0.2 nozzle",
         "Creality K2 Plus 0.4 nozzle",

resources/profiles/Creality/filament/Creality Generic ASA @K2-all.json

@@ -17,6 +17,7 @@
     "slow_down_min_speed": [
         "20"
     ],
+	"filament_start_gcode": ["; filament start gcode\n{if (position[2] > first_layer_height) }\nM104 S[nozzle_temperature]\n{else}\nM104 S[first_layer_temperature]\n{endif}\n\n{if(initial_extruder != current_extruder || position[2] > first_layer_height)}\n{if (position[2] +0.4  < printable_height) }\nG2 Z{position[2]  + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\nG1 X205 Y345 F20000\nG1 Z{position[2] } F1200\n{else}\nG1 X205 Y345 F20000\n{endif}\n{endif}\n"],
     "compatible_printers": [
         "Creality K2 Plus 0.2 nozzle",
         "Creality K2 Plus 0.4 nozzle",

resources/profiles/Creality/filament/Creality Generic PA-CF @K2-all.json

@@ -14,6 +14,7 @@
     "fan_min_speed": [
         "30"
     ],
+	"filament_start_gcode": ["; filament start gcode\n{if (position[2] > first_layer_height) }\nM104 S[nozzle_temperature]\n{else}\nM104 S[first_layer_temperature]\n{endif}\n\n{if(initial_extruder != current_extruder || position[2] > first_layer_height)}\n{if (position[2] +0.4  < printable_height) }\nG2 Z{position[2]  + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\nG1 X205 Y345 F20000\nG1 Z{position[2] } F1200\n{else}\nG1 X205 Y345 F20000\n{endif}\n{endif}\n"],
     "compatible_printers": [
 		"Creality K2 Plus 0.2 nozzle",
         "Creality K2 Plus 0.4 nozzle",

resources/profiles/Creality/filament/Creality Generic PETG @K2-all.json

@@ -50,6 +50,7 @@
     "reduce_fan_stop_start_freq": [
         "1"
     ],
+	"filament_start_gcode": ["; filament start gcode\n{if (position[2] > first_layer_height) }\nM104 S[nozzle_temperature]\n{else}\nM104 S[first_layer_temperature]\n{endif}\n\n{if(initial_extruder != current_extruder || position[2] > first_layer_height)}\n{if (position[2] +0.4  < printable_height) }\nG2 Z{position[2]  + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\nG1 X205 Y345 F20000\nG1 Z{position[2] } F1200\n{else}\nG1 X205 Y345 F20000\n{endif}\n{endif}\n"],
     "compatible_printers": [
         "Creality K2 Plus 0.2 nozzle",
         "Creality K2 Plus 0.4 nozzle",

resources/profiles/Creality/filament/Creality Generic PLA @K2-all.json

@@ -44,6 +44,7 @@
     "reduce_fan_stop_start_freq": [
         "1"
     ],
+	"filament_start_gcode": ["; filament start gcode\n{if (position[2] > first_layer_height) }\nM104 S[nozzle_temperature]\n{else}\nM104 S[first_layer_temperature]\n{endif}\n\n{if(initial_extruder != current_extruder || position[2] > first_layer_height)}\n{if (position[2] +0.4  < printable_height) }\nG2 Z{position[2]  + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\nG1 X205 Y345 F20000\nG1 Z{position[2] } F1200\n{else}\nG1 X205 Y345 F20000\n{endif}\n{endif}\n"],
     "compatible_printers": [
         "Creality K2 Plus 0.2 nozzle",
         "Creality K2 Plus 0.4 nozzle",

resources/profiles/Creality/filament/Creality Generic TPU @K2-all.json

@@ -32,6 +32,7 @@
     "reduce_fan_stop_start_freq": [
         "1"
     ],
+	"filament_start_gcode": ["; filament start gcode\n{if (position[2] > first_layer_height) }\nM104 S[nozzle_temperature]\n{else}\nM104 S[first_layer_temperature]\n{endif}\n\n{if(initial_extruder != current_extruder || position[2] > first_layer_height)}\n{if (position[2] +0.4  < printable_height) }\nG2 Z{position[2]  + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\nG1 X205 Y345 F20000\nG1 Z{position[2] } F1200\n{else}\nG1 X205 Y345 F20000\n{endif}\n{endif}\n"],
     "compatible_printers": [
 		"Creality K2 Plus 0.2 nozzle",
         "Creality K2 Plus 0.4 nozzle",

resources/profiles/Creality/machine/Creality K2 Plus 0.2 nozzle.json

@@ -20,9 +20,10 @@
     ],
     "printable_height": "350",
     "nozzle_type": "hardened_steel",
+    "nozzle_volume": "183",
     "auxiliary_fan": "1",
     "support_air_filtration": "1",
-    "support_multi_bed_types": "0",
+    "support_multi_bed_types": "1",
     "machine_max_acceleration_e": [
         "5000",
         "5000"
@@ -91,7 +92,7 @@
     ],
     "printer_settings_id": "Creality",
     "retraction_minimum_travel": [
-        "2"
+        "1"
     ],
     "retract_before_wipe": [
         "70%"
@@ -108,7 +109,14 @@
     "deretraction_speed": [
         "40"
     ],
+    "retract_lift_above": [
+        "0"
+    ],
+    "retract_lift_below": [
+        "349"
+    ],
     "enable_filament_ramming": "0",
+    "purge_in_prime_tower": "0",
     "cooling_tube_length": "0",
     "cooling_tube_retraction": "0",
     "parking_pos_retraction": "0",
@@ -127,12 +135,12 @@
     "default_filament_profile": [
         "Creality Generic PLA @K2-all"
     ],
-    "machine_start_gcode":"M140 S0\nM104 S0 \nSTART_PRINT EXTRUDER_TEMP=[nozzle_temperature_initial_layer] BED_TEMP=[bed_temperature_initial_layer_single]\nT[initial_no_support_extruder]\nM204 S2000\nG1 Z3 F600\nM83\nG1 Y150 F12000\nG1 X0 F12000\nG1 Z0.2 F600\nG1 X0 Y150 F6000\nG1 X0 Y0 E15 F1500\nG1 X150 Y0 E15 F1500\nG92 E0\nG1 Z1 F600",
+    "machine_start_gcode": "M140 S0\nM104 S0 \nSTART_PRINT EXTRUDER_TEMP=[nozzle_temperature_initial_layer] BED_TEMP=[bed_temperature_initial_layer_single]\nT[initial_no_support_extruder]\nM109 S[nozzle_temperature_initial_layer]\nM204 S2000\nG1 Z3 F600\nM83\nG1 Y150 F12000\nG1 X0 F12000\nG1 Z0.2 F600\nG1 X0 Y150 F6000\nG1 X0 Y0 E15 F6000\nG1 X150 Y0 E15 F6000\nG92 E0\nG1 Z1 F600",
     "machine_end_gcode": "END_PRINT",
     "machine_pause_gcode": "PAUSE",
     "change_filament_gcode": "G2 Z{z_after_toolchange + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\nG1 X0 Y245 F30000\nG1 Z{z_after_toolchange} F600",
     "scan_first_layer": "0",
-    "thumbnails_format":"PNG",
+    "thumbnails_format": "PNG",
     "thumbnails": [
         "300x300",
         "96x96"

resources/profiles/Creality/machine/Creality K2 Plus 0.4 nozzle.json

@@ -20,9 +20,10 @@
     ],
     "printable_height": "350",
     "nozzle_type": "hardened_steel",
+    "nozzle_volume": "183",
     "auxiliary_fan": "1",
     "support_air_filtration": "1",
-    "support_multi_bed_types": "0",
+    "support_multi_bed_types": "1",
     "machine_max_acceleration_e": [
         "5000",
         "5000"
@@ -91,13 +92,13 @@
     ],
     "printer_settings_id": "Creality",
     "retraction_minimum_travel": [
-        "2"
+        "1"
     ],
     "retract_before_wipe": [
         "70%"
     ],
     "retraction_length": [
-        "0.5"
+        "0.8"
     ],
     "retract_length_toolchange": [
         "0"
@@ -108,7 +109,14 @@
     "deretraction_speed": [
         "40"
     ],
+    "retract_lift_above": [
+        "0"
+    ],
+    "retract_lift_below": [
+        "349"
+    ],
     "enable_filament_ramming": "0",
+    "purge_in_prime_tower": "0",
     "cooling_tube_length": "0",
     "cooling_tube_retraction": "0",
     "parking_pos_retraction": "0",
@@ -120,19 +128,19 @@
         "0.4"
     ],
     "wipe_distance": [
-        "1"
+        "2"
     ],
     "single_extruder_multi_material": "1",
     "manual_filament_change": "0",
     "default_filament_profile": [
         "Creality Generic PLA @K2-all"
     ],
-    "machine_start_gcode":"M140 S0\nM104 S0 \nSTART_PRINT EXTRUDER_TEMP=[nozzle_temperature_initial_layer] BED_TEMP=[bed_temperature_initial_layer_single]\nT[initial_no_support_extruder]\nM204 S2000\nG1 Z3 F600\nM83\nG1 Y150 F12000\nG1 X0 F12000\nG1 Z0.2 F600\nG1 X0 Y150 F6000\nG1 X0 Y0 E15 F1500\nG1 X150 Y0 E15 F1500\nG92 E0\nG1 Z1 F600",
+    "machine_start_gcode": "M140 S0\nM104 S0 \nSTART_PRINT EXTRUDER_TEMP=[nozzle_temperature_initial_layer] BED_TEMP=[bed_temperature_initial_layer_single]\nT[initial_no_support_extruder]\nM109 S[nozzle_temperature_initial_layer]\nM204 S2000\nG1 Z3 F600\nM83\nG1 Y150 F12000\nG1 X0 F12000\nG1 Z0.2 F600\nG1 X0 Y150 F6000\nG1 X0 Y0 E15 F6000\nG1 X150 Y0 E15 F6000\nG92 E0\nG1 Z1 F600",
     "machine_end_gcode": "END_PRINT",
     "machine_pause_gcode": "PAUSE",
     "change_filament_gcode": "G2 Z{z_after_toolchange + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\nG1 X0 Y245 F30000\nG1 Z{z_after_toolchange} F600",
     "scan_first_layer": "0",
-    "thumbnails_format":"PNG",
+    "thumbnails_format": "PNG",
     "thumbnails": [
         "300x300",
         "96x96"

resources/profiles/Creality/machine/Creality K2 Plus 0.6 nozzle.json

@@ -20,9 +20,10 @@
     ],
     "printable_height": "350",
     "nozzle_type": "hardened_steel",
+    "nozzle_volume": "183",
     "auxiliary_fan": "1",
     "support_air_filtration": "1",
-    "support_multi_bed_types": "0",
+    "support_multi_bed_types": "1",
     "machine_max_acceleration_e": [
         "5000",
         "5000"
@@ -91,7 +92,7 @@
     ],
     "printer_settings_id": "Creality",
     "retraction_minimum_travel": [
-        "2"
+        "1"
     ],
     "retract_before_wipe": [
         "70%"
@@ -108,7 +109,14 @@
     "deretraction_speed": [
         "40"
     ],
+    "retract_lift_above": [
+        "0"
+    ],
+    "retract_lift_below": [
+        "349"
+    ],
     "enable_filament_ramming": "0",
+    "purge_in_prime_tower": "0",
     "cooling_tube_length": "0",
     "cooling_tube_retraction": "0",
     "parking_pos_retraction": "0",
@@ -127,7 +135,7 @@
     "default_filament_profile": [
         "Creality Generic PLA @K2-all"
     ],
-    "machine_start_gcode":"M140 S0\nM104 S0 \nSTART_PRINT EXTRUDER_TEMP=[nozzle_temperature_initial_layer] BED_TEMP=[bed_temperature_initial_layer_single]\nT[initial_no_support_extruder]\nM204 S2000\nG1 Z3 F600\nM83\nG1 Y150 F12000\nG1 X0 F12000\nG1 Z0.2 F600\nG1 X0 Y150 F6000\nG1 X0 Y0 E15 F1500\nG1 X150 Y0 E15 F1500\nG92 E0\nG1 Z1 F600",
+    "machine_start_gcode": "M140 S0\nM104 S0 \nSTART_PRINT EXTRUDER_TEMP=[nozzle_temperature_initial_layer] BED_TEMP=[bed_temperature_initial_layer_single]\nT[initial_no_support_extruder]\nM109 S[nozzle_temperature_initial_layer]\nM204 S2000\nG1 Z3 F600\nM83\nG1 Y150 F12000\nG1 X0 F12000\nG1 Z0.2 F600\nG1 X0 Y150 F6000\nG1 X0 Y0 E15 F6000\nG1 X150 Y0 E15 F6000\nG92 E0\nG1 Z1 F600",
     "machine_end_gcode": "END_PRINT",
     "machine_pause_gcode": "PAUSE",
     "change_filament_gcode": "G2 Z{z_after_toolchange + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\nG1 X0 Y245 F30000\nG1 Z{z_after_toolchange} F600",
@@ -137,4 +145,4 @@
         "300x300",
         "96x96"
     ]
-}
+}

resources/profiles/Creality/machine/Creality K2 Plus 0.8 nozzle.json

@@ -20,9 +20,10 @@
     ],
     "printable_height": "350",
     "nozzle_type": "hardened_steel",
+    "nozzle_volume": "183",
     "auxiliary_fan": "1",
     "support_air_filtration": "1",
-    "support_multi_bed_types": "0",
+    "support_multi_bed_types": "1",
     "machine_max_acceleration_e": [
         "5000",
         "5000"
@@ -91,7 +92,7 @@
     ],
     "printer_settings_id": "Creality",
     "retraction_minimum_travel": [
-        "2"
+        "1"
     ],
     "retract_before_wipe": [
         "70%"
@@ -108,7 +109,14 @@
     "deretraction_speed": [
         "40"
     ],
+    "retract_lift_above": [
+        "0"
+    ],
+    "retract_lift_below": [
+        "349"
+    ],
     "enable_filament_ramming": "0",
+    "purge_in_prime_tower": "0",
     "cooling_tube_length": "0",
     "cooling_tube_retraction": "0",
     "parking_pos_retraction": "0",
@@ -127,14 +135,14 @@
     "default_filament_profile": [
         "Creality Generic PLA @K2-all"
     ],
-    "machine_start_gcode":"M140 S0\nM104 S0 \nSTART_PRINT EXTRUDER_TEMP=[nozzle_temperature_initial_layer] BED_TEMP=[bed_temperature_initial_layer_single]\nT[initial_no_support_extruder]\nM204 S2000\nG1 Z3 F600\nM83\nG1 Y150 F12000\nG1 X0 F12000\nG1 Z0.2 F600\nG1 X0 Y150 F6000\nG1 X0 Y0 E15 F1500\nG1 X150 Y0 E15 F1500\nG92 E0\nG1 Z1 F600",
+    "machine_start_gcode": "M140 S0\nM104 S0 \nSTART_PRINT EXTRUDER_TEMP=[nozzle_temperature_initial_layer] BED_TEMP=[bed_temperature_initial_layer_single]\nT[initial_no_support_extruder]\nM109 S[nozzle_temperature_initial_layer]\nM204 S2000\nG1 Z3 F600\nM83\nG1 Y150 F12000\nG1 X0 F12000\nG1 Z0.2 F600\nG1 X0 Y150 F6000\nG1 X0 Y0 E15 F6000\nG1 X150 Y0 E15 F6000\nG92 E0\nG1 Z1 F600",
     "machine_end_gcode": "END_PRINT",
     "machine_pause_gcode": "PAUSE",
     "change_filament_gcode": "G2 Z{z_after_toolchange + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\nG1 X0 Y245 F30000\nG1 Z{z_after_toolchange} F600",
     "scan_first_layer": "0",
-    "thumbnails_format":"PNG",
+    "thumbnails_format": "PNG",
     "thumbnails": [
         "300x300",
         "96x96"
     ]
-}
+}

resources/profiles/Creality/process/0.08mm SuperDetail @Creality K2 Plus 0.2 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "30",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.25",
     "inner_wall_speed": "150",
     "wall_loops": "4",

resources/profiles/Creality/process/0.08mm SuperDetail @Creality K2 Plus 0.4 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "30",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.45",
     "inner_wall_speed": "350",
     "wall_loops": "2",

resources/profiles/Creality/process/0.10mm HighDetail @Creality K2 Plus 0.2 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "30",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.25",
     "inner_wall_speed": "150",
     "wall_loops": "4",

resources/profiles/Creality/process/0.12mm Detail @Creality K2 Plus 0.2 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "30",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.25",
     "inner_wall_speed": "150",
     "wall_loops": "4",

resources/profiles/Creality/process/0.12mm Detail @Creality K2 Plus 0.4 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "30",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.45",
     "inner_wall_speed": "300",
     "wall_loops": "2",

resources/profiles/Creality/process/0.14mm Optimal @Creality K2 Plus 0.2 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "30",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.25",
     "inner_wall_speed": "150",
     "wall_loops": "4",

resources/profiles/Creality/process/0.16mm Optimal @Creality K2 Plus 0.4 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "30",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.45",
     "inner_wall_speed": "300",
     "wall_loops": "2",

resources/profiles/Creality/process/0.18mm Detail @Creality K2 Plus 0.6 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "20",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.65",
     "inner_wall_speed": "150",
     "wall_loops": "2",

resources/profiles/Creality/process/0.20mm Standard @Creality K2 Plus 0.4 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "30",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.45",
     "inner_wall_speed": "300",
     "wall_loops": "2",

resources/profiles/Creality/process/0.24mm Detail @Creality K2 Plus 0.8 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "20",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.82",
     "inner_wall_speed": "150",
     "wall_loops": "2",

resources/profiles/Creality/process/0.24mm Draft @Creality K2 Plus 0.4 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "30",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.45",
     "inner_wall_speed": "300",
     "wall_loops": "2",

resources/profiles/Creality/process/0.24mm Optimal @Creality K2 Plus 0.6 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "20",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.65",
     "inner_wall_speed": "150",
     "wall_loops": "2",

resources/profiles/Creality/process/0.28mm SuperDraft @Creality K2 Plus 0.4 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "30",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.45",
     "inner_wall_speed": "200",
     "wall_loops": "2",

resources/profiles/Creality/process/0.30mm Standard @Creality K2 Plus 0.6 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "20",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.65",
     "inner_wall_speed": "150",
     "wall_loops": "2",

resources/profiles/Creality/process/0.32mm Optimal @Creality K2 Plus 0.8 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "20",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.82",
     "inner_wall_speed": "150",
     "wall_loops": "2",

resources/profiles/Creality/process/0.36mm Draft @Creality K2 Plus 0.6 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "20",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.65",
     "inner_wall_speed": "150",
     "wall_loops": "2",

resources/profiles/Creality/process/0.40mm Standard @Creality K2 Plus 0.8 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "20",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.82",
     "inner_wall_speed": "150",
     "wall_loops": "2",

resources/profiles/Creality/process/0.42mm SuperDraft @Creality K2 Plus 0.6 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "20",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.65",
     "inner_wall_speed": "150",
     "wall_loops": "2",

resources/profiles/Creality/process/0.48mm Draft @Creality K2 Plus 0.8 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "20",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.82",
     "inner_wall_speed": "150",
     "wall_loops": "2",

resources/profiles/Creality/process/0.56mm SuperDraft @Creality K2 Plus 0.8 nozzle.json

@@ -54,6 +54,7 @@
     "overhang_3_4_speed": "20",
     "overhang_4_4_speed": "10",
     "only_one_wall_top": "1",
+    "precise_outer_wall": "1",
     "inner_wall_line_width": "0.82",
     "inner_wall_speed": "150",
     "wall_loops": "2",

resources/profiles/Prusa/process/0.20mm Detail @MK3S 0.6.json

@@ -3,7 +3,6 @@
   "print_settings_id": "0.20mm Detail @MK3S 0.6",
   "name": "0.20mm Detail @MK3S 0.6",
   "from": "system",
-  "renamed_from":"0.20mm Standard @MK3S",
   "instantiation": "true",
   "inherits": "process_common_mk3",
   "bottom_shell_layers": "4",

resources/profiles/Prusa/process/0.20mm Speed @MK3S 0.4.json

@@ -3,7 +3,6 @@
   "print_settings_id": "0.20mm Speed @MK3S 0.4",
   "name": "0.20mm Speed @MK3S 0.4",
   "from": "system",
-  "renamed_from":"0.20mm Standard @MK3S",
   "instantiation": "true",
   "inherits": "process_common_mk3",
   "bottom_shell_layers": "4",

resources/profiles/Prusa/process/0.20mm Speed @MK3S.json

@@ -3,7 +3,6 @@
   "print_settings_id": "0.20mm Speed @MK3S",
   "name": "0.20mm Speed @MK3S",
   "from": "system",
-  "renamed_from":"0.20mm Standard @MK3S",
   "instantiation": "true",
   "inherits": "process_common_mk3",
   "bottom_shell_layers": "4",

src/libslic3r/Preset.cpp

@@ -785,7 +785,7 @@ static std::vector<std::string> s_Preset_print_options {
     "top_surface_speed", "support_speed", "support_object_xy_distance", "support_interface_speed",
     "bridge_speed", "internal_bridge_speed", "gap_infill_speed", "travel_speed", "travel_speed_z", "initial_layer_speed",
     "outer_wall_acceleration", "initial_layer_acceleration", "top_surface_acceleration", "default_acceleration", "skirt_type", "skirt_loops", "skirt_speed","min_skirt_length", "skirt_distance", "skirt_start_angle", "skirt_height", "draft_shield",
-    "brim_width", "brim_object_gap", "brim_type", "brim_ears_max_angle", "brim_ears_detection_length", "enable_support", "support_type", "support_threshold_angle", "enforce_support_layers",
+    "brim_width", "brim_object_gap", "brim_type", "brim_ears_max_angle", "brim_ears_detection_length", "enable_support", "support_type", "support_threshold_angle", "support_threshold_overlap","enforce_support_layers",
     "raft_layers", "raft_first_layer_density", "raft_first_layer_expansion", "raft_contact_distance", "raft_expansion",
     "support_base_pattern", "support_base_pattern_spacing", "support_expansion", "support_style",
     "independent_support_layer_height",

src/libslic3r/PrintConfig.cpp

@@ -4722,11 +4722,22 @@ void PrintConfigDef::init_fff_params()
     def->category = L("Support");
     def->tooltip = L("Support will be generated for overhangs whose slope angle is below the threshold.");
     def->sidetext = L("°");
-    def->min = 1;
+    def->min = 0;
     def->max = 90;
     def->mode = comSimple;
     def->set_default_value(new ConfigOptionInt(30));
 
+    def = this->add("support_threshold_overlap", coFloatOrPercent);
+    def->label = L("Threshold overlap");
+    def->category = L("Support");
+    def->tooltip = L("If threshold angle is zero, support will be generated for overhangs whose overlap is below the threshold. The smaller this value is, the steeper the overhang that can be printed without support.");
+    def->sidetext = L("mm or %");
+    def->min = 0;
+    def->max = 100;
+    def->max_literal = 0.5;
+    def->mode = comSimple;
+    def->set_default_value(new ConfigOptionFloatOrPercent(50., true));
+
     def = this->add("tree_support_branch_angle", coFloat);
     def->label = L("Tree support branch angle");
     def->category = L("Support");

src/libslic3r/PrintConfig.hpp

@@ -820,6 +820,7 @@ PRINT_CONFIG_CLASS_DEFINE(
     ((ConfigOptionEnum<InternalBridgeFilter>,  dont_filter_internal_bridges))
     // Overhang angle threshold.
     ((ConfigOptionInt,                 support_threshold_angle))
+    ((ConfigOptionFloatOrPercent,      support_threshold_overlap))
     ((ConfigOptionFloat,               support_object_xy_distance))
     ((ConfigOptionFloat,               xy_hole_compensation))
     ((ConfigOptionFloat,               xy_contour_compensation))

src/libslic3r/PrintObject.cpp

@@ -1019,6 +1019,7 @@ bool PrintObject::invalidate_state_by_config_options(
             || opt_key == "support_expansion"
             //|| opt_key == "independent_support_layer_height" // BBS
             || opt_key == "support_threshold_angle"
+            || opt_key == "support_threshold_overlap"
             || opt_key == "raft_expansion"
             || opt_key == "raft_first_layer_density"
             || opt_key == "raft_first_layer_expansion"

src/libslic3r/Support/SupportMaterial.cpp

@@ -1517,8 +1517,8 @@ static inline ExPolygons detect_overhangs(
                 (threshold_rad > 0. ? 
                     // Overhang defined by an angle.
                     float(scale_(lower_layer.height / tan(threshold_rad))) :
-                    // Overhang defined by half the extrusion width.
-                    0.5f * fw);
+                    // Overhang defined by overlap.
+                    fw - float(scale_(object_config.support_threshold_overlap.get_abs_value(unscale_(fw)))));
             // Overhang polygons for this layer and region.
             Polygons diff_polygons;
             Polygons layerm_polygons = to_polygons(layerm->slices.surfaces);

src/libslic3r/Support/TreeSupport3D.cpp

@@ -239,7 +239,7 @@ static std::vector<std::pair<TreeSupportSettings, std::vector<size_t>>> group_me
                     for (const LayerRegion *layerm : lower_layer.regions())
                         external_perimeter_width += layerm->flow(frExternalPerimeter).scaled_width();
                     external_perimeter_width /= lower_layer.region_count();
-                    lower_layer_offset = float(0.5 * external_perimeter_width);
+                    lower_layer_offset = external_perimeter_width - float(scale_(config.support_threshold_overlap.get_abs_value(unscale_(external_perimeter_width))));
                 } else
                     lower_layer_offset = scaled<float>(lower_layer.height / tan_threshold);
                 overhangs = lower_layer_offset == 0 ?

src/slic3r/GUI/ConfigManipulation.cpp

@@ -599,6 +599,7 @@ void ConfigManipulation::toggle_print_fff_options(DynamicPrintConfig *config, co
         "support_object_xy_distance"/*, "independent_support_layer_height"*/})
         toggle_field(el, have_support_material);
     toggle_field("support_threshold_angle", have_support_material && is_auto(support_type));
+    toggle_field("support_threshold_overlap", config->opt_int("support_threshold_angle") == 0 && have_support_material && is_auto(support_type));
     //toggle_field("support_closing_radius", have_support_material && support_style == smsSnug);
     
     bool support_is_tree = config->opt_bool("enable_support") && is_tree(support_type);

src/slic3r/GUI/GUI_Factories.cpp

@@ -61,7 +61,7 @@ static SettingsFactory::Bundle FREQ_SETTINGS_BUNDLE_FFF =
     { L("Shell"), { "wall_loops", "top_shell_layers", "bottom_shell_layers"} },
     { L("Infill")               , { "sparse_infill_density", "sparse_infill_pattern" } },
     // BBS
-    { L("Support")     , { "enable_support", "support_type", "support_threshold_angle",
+    { L("Support")     , { "enable_support", "support_type", "support_threshold_angle", "support_threshold_overlap",
                                     "support_base_pattern", "support_on_build_plate_only","support_critical_regions_only",
                                     "support_remove_small_overhang",
                                     "support_base_pattern_spacing", "support_expansion"}},
@@ -88,7 +88,7 @@ std::map<std::string, std::vector<SimpleSettingData>>  SettingsFactory::OBJECT_C
 
                     }},
     { L("Support"), {{"brim_type", "",1},{"brim_width", "",2},{"brim_object_gap", "",3},
-                    {"enable_support", "",4},{"support_type", "",5},{"support_threshold_angle", "",6},{"support_on_build_plate_only", "",7},
+                    {"enable_support", "",4},{"support_type", "",5},{"support_threshold_angle", "",6}, {"support_threshold_overlap", "",6}, {"support_on_build_plate_only", "",7},
                     {"support_filament", "",8},{"support_interface_filament", "",9},{"support_expansion", "",24},{"support_style", "",25},
                     {"tree_support_brim_width", "",26}, {"tree_support_branch_angle", "",10},{"tree_support_branch_angle_organic","",10}, {"tree_support_wall_count", "",11},//tree support
                             {"support_top_z_distance", "",13},{"support_bottom_z_distance", "",12},{"support_base_pattern", "",14},{"support_base_pattern_spacing", "",15},
@@ -150,7 +150,7 @@ std::vector<SimpleSettingData> SettingsFactory::get_visible_options(const std::s
         //Quality
         "layer_height", "initial_layer_print_height", "adaptive_layer_height", "seam_position", "xy_hole_compensation", "xy_contour_compensation", "elefant_foot_compensation", "support_line_width",
         //Support
-        "enable_support", "support_type", "support_threshold_angle", "support_on_build_plate_only", "support_critical_regions_only", "enforce_support_layers",
+        "enable_support", "support_type", "support_threshold_angle", "support_threshold_overlap", "support_on_build_plate_only", "support_critical_regions_only", "enforce_support_layers",
         //tree support
         "tree_support_wall_count",
         //support

src/slic3r/GUI/Tab.cpp

@@ -2227,6 +2227,7 @@ void TabPrint::build()
         optgroup->append_single_option_line("support_type", "support#support-types");
         optgroup->append_single_option_line("support_style", "support#support-styles");
         optgroup->append_single_option_line("support_threshold_angle", "support#threshold-angle");
+        optgroup->append_single_option_line("support_threshold_overlap", "support#threshold-angle");
         optgroup->append_single_option_line("raft_first_layer_density");
         optgroup->append_single_option_line("raft_first_layer_expansion");
         optgroup->append_single_option_line("support_on_build_plate_only");