diff --git a/.github/workflows/build_orca.yml b/.github/workflows/build_orca.yml
index 87aacd8862..e417b3ef36 100644
--- a/.github/workflows/build_orca.yml
+++ b/.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'
diff --git a/resources/profiles/Creality/filament/Creality Generic ABS @K2-all.json b/resources/profiles/Creality/filament/Creality Generic ABS @K2-all.json
index 4a033b3780..83007ba3cd 100644
--- a/resources/profiles/Creality/filament/Creality Generic ABS @K2-all.json	
+++ b/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",
diff --git a/resources/profiles/Creality/filament/Creality Generic ASA @K2-all.json b/resources/profiles/Creality/filament/Creality Generic ASA @K2-all.json
index 8cb657bdd0..007ea2639d 100644
--- a/resources/profiles/Creality/filament/Creality Generic ASA @K2-all.json	
+++ b/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",
diff --git a/resources/profiles/Creality/filament/Creality Generic PA-CF @K2-all.json b/resources/profiles/Creality/filament/Creality Generic PA-CF @K2-all.json
index 3e0963cc49..639109c4a5 100644
--- a/resources/profiles/Creality/filament/Creality Generic PA-CF @K2-all.json	
+++ b/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",
diff --git a/resources/profiles/Creality/filament/Creality Generic PETG @K2-all.json b/resources/profiles/Creality/filament/Creality Generic PETG @K2-all.json
index efe3f28bb7..c01d3e4f3f 100644
--- a/resources/profiles/Creality/filament/Creality Generic PETG @K2-all.json	
+++ b/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",
diff --git a/resources/profiles/Creality/filament/Creality Generic PLA @K2-all.json b/resources/profiles/Creality/filament/Creality Generic PLA @K2-all.json
index 472eef9221..3bbc824e96 100644
--- a/resources/profiles/Creality/filament/Creality Generic PLA @K2-all.json	
+++ b/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",
diff --git a/resources/profiles/Creality/filament/Creality Generic TPU @K2-all.json b/resources/profiles/Creality/filament/Creality Generic TPU @K2-all.json
index 21b4e547a3..1c0d417cc1 100644
--- a/resources/profiles/Creality/filament/Creality Generic TPU @K2-all.json	
+++ b/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",
diff --git a/resources/profiles/Creality/machine/Creality K2 Plus 0.2 nozzle.json b/resources/profiles/Creality/machine/Creality K2 Plus 0.2 nozzle.json
index dccdf656fa..533f565db2 100644
--- a/resources/profiles/Creality/machine/Creality K2 Plus 0.2 nozzle.json	
+++ b/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"
diff --git a/resources/profiles/Creality/machine/Creality K2 Plus 0.4 nozzle.json b/resources/profiles/Creality/machine/Creality K2 Plus 0.4 nozzle.json
index 0b86c46be8..74af66fff6 100644
--- a/resources/profiles/Creality/machine/Creality K2 Plus 0.4 nozzle.json	
+++ b/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"
diff --git a/resources/profiles/Creality/machine/Creality K2 Plus 0.6 nozzle.json b/resources/profiles/Creality/machine/Creality K2 Plus 0.6 nozzle.json
index ab0c9db164..0653905794 100644
--- a/resources/profiles/Creality/machine/Creality K2 Plus 0.6 nozzle.json	
+++ b/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"
     ]
-}
+}
\ No newline at end of file
diff --git a/resources/profiles/Creality/machine/Creality K2 Plus 0.8 nozzle.json b/resources/profiles/Creality/machine/Creality K2 Plus 0.8 nozzle.json
index 72b061807a..b452404086 100644
--- a/resources/profiles/Creality/machine/Creality K2 Plus 0.8 nozzle.json	
+++ b/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"
     ]
-}
+}
\ No newline at end of file
diff --git a/resources/profiles/Creality/process/0.08mm SuperDetail @Creality K2 Plus 0.2 nozzle.json b/resources/profiles/Creality/process/0.08mm SuperDetail @Creality K2 Plus 0.2 nozzle.json
index 3798743496..0aaf929625 100644
--- a/resources/profiles/Creality/process/0.08mm SuperDetail @Creality K2 Plus 0.2 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.08mm SuperDetail @Creality K2 Plus 0.4 nozzle.json b/resources/profiles/Creality/process/0.08mm SuperDetail @Creality K2 Plus 0.4 nozzle.json
index 7304c173ae..ee060f244b 100644
--- a/resources/profiles/Creality/process/0.08mm SuperDetail @Creality K2 Plus 0.4 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.10mm HighDetail @Creality K2 Plus 0.2 nozzle.json b/resources/profiles/Creality/process/0.10mm HighDetail @Creality K2 Plus 0.2 nozzle.json
index bffb09ca7c..8a1fda49e0 100644
--- a/resources/profiles/Creality/process/0.10mm HighDetail @Creality K2 Plus 0.2 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.12mm Detail @Creality K2 Plus 0.2 nozzle.json b/resources/profiles/Creality/process/0.12mm Detail @Creality K2 Plus 0.2 nozzle.json
index 437d4c16e5..edbd1dc827 100644
--- a/resources/profiles/Creality/process/0.12mm Detail @Creality K2 Plus 0.2 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.12mm Detail @Creality K2 Plus 0.4 nozzle.json b/resources/profiles/Creality/process/0.12mm Detail @Creality K2 Plus 0.4 nozzle.json
index 2f262bfaea..842b07347f 100644
--- a/resources/profiles/Creality/process/0.12mm Detail @Creality K2 Plus 0.4 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.14mm Optimal @Creality K2 Plus 0.2 nozzle.json b/resources/profiles/Creality/process/0.14mm Optimal @Creality K2 Plus 0.2 nozzle.json
index 1525dd94f6..cb5884d099 100644
--- a/resources/profiles/Creality/process/0.14mm Optimal @Creality K2 Plus 0.2 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.16mm Optimal @Creality K2 Plus 0.4 nozzle.json b/resources/profiles/Creality/process/0.16mm Optimal @Creality K2 Plus 0.4 nozzle.json
index 981862606f..09af514094 100644
--- a/resources/profiles/Creality/process/0.16mm Optimal @Creality K2 Plus 0.4 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.18mm Detail @Creality K2 Plus 0.6 nozzle.json b/resources/profiles/Creality/process/0.18mm Detail @Creality K2 Plus 0.6 nozzle.json
index 4d42a50cba..21399d932d 100644
--- a/resources/profiles/Creality/process/0.18mm Detail @Creality K2 Plus 0.6 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.20mm Standard @Creality K2 Plus 0.4 nozzle.json b/resources/profiles/Creality/process/0.20mm Standard @Creality K2 Plus 0.4 nozzle.json
index b90fab60f8..d20935011d 100644
--- a/resources/profiles/Creality/process/0.20mm Standard @Creality K2 Plus 0.4 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.24mm Detail @Creality K2 Plus 0.8 nozzle.json b/resources/profiles/Creality/process/0.24mm Detail @Creality K2 Plus 0.8 nozzle.json
index fc3ecfd103..c953b04a2f 100644
--- a/resources/profiles/Creality/process/0.24mm Detail @Creality K2 Plus 0.8 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.24mm Draft @Creality K2 Plus 0.4 nozzle.json b/resources/profiles/Creality/process/0.24mm Draft @Creality K2 Plus 0.4 nozzle.json
index 55e401882c..3220276e29 100644
--- a/resources/profiles/Creality/process/0.24mm Draft @Creality K2 Plus 0.4 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.24mm Optimal @Creality K2 Plus 0.6 nozzle.json b/resources/profiles/Creality/process/0.24mm Optimal @Creality K2 Plus 0.6 nozzle.json
index c15220e405..274783173b 100644
--- a/resources/profiles/Creality/process/0.24mm Optimal @Creality K2 Plus 0.6 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.28mm SuperDraft @Creality K2 Plus 0.4 nozzle.json b/resources/profiles/Creality/process/0.28mm SuperDraft @Creality K2 Plus 0.4 nozzle.json
index 9a2f65b23c..c93d65bcc9 100644
--- a/resources/profiles/Creality/process/0.28mm SuperDraft @Creality K2 Plus 0.4 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.30mm Standard @Creality K2 Plus 0.6 nozzle.json b/resources/profiles/Creality/process/0.30mm Standard @Creality K2 Plus 0.6 nozzle.json
index 9efc66438c..6207414767 100644
--- a/resources/profiles/Creality/process/0.30mm Standard @Creality K2 Plus 0.6 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.32mm Optimal @Creality K2 Plus 0.8 nozzle.json b/resources/profiles/Creality/process/0.32mm Optimal @Creality K2 Plus 0.8 nozzle.json
index 02f244ad2b..eeeb765710 100644
--- a/resources/profiles/Creality/process/0.32mm Optimal @Creality K2 Plus 0.8 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.36mm Draft @Creality K2 Plus 0.6 nozzle.json b/resources/profiles/Creality/process/0.36mm Draft @Creality K2 Plus 0.6 nozzle.json
index e112eb39c0..30de178e04 100644
--- a/resources/profiles/Creality/process/0.36mm Draft @Creality K2 Plus 0.6 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.40mm Standard @Creality K2 Plus 0.8 nozzle.json b/resources/profiles/Creality/process/0.40mm Standard @Creality K2 Plus 0.8 nozzle.json
index 26477340b0..593e118940 100644
--- a/resources/profiles/Creality/process/0.40mm Standard @Creality K2 Plus 0.8 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.42mm SuperDraft @Creality K2 Plus 0.6 nozzle.json b/resources/profiles/Creality/process/0.42mm SuperDraft @Creality K2 Plus 0.6 nozzle.json
index 4e9594ba20..2b765d102f 100644
--- a/resources/profiles/Creality/process/0.42mm SuperDraft @Creality K2 Plus 0.6 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.48mm Draft @Creality K2 Plus 0.8 nozzle.json b/resources/profiles/Creality/process/0.48mm Draft @Creality K2 Plus 0.8 nozzle.json
index c420d26892..32090d39aa 100644
--- a/resources/profiles/Creality/process/0.48mm Draft @Creality K2 Plus 0.8 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Creality/process/0.56mm SuperDraft @Creality K2 Plus 0.8 nozzle.json b/resources/profiles/Creality/process/0.56mm SuperDraft @Creality K2 Plus 0.8 nozzle.json
index a463fef969..6fe45f83d3 100644
--- a/resources/profiles/Creality/process/0.56mm SuperDraft @Creality K2 Plus 0.8 nozzle.json	
+++ b/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",
diff --git a/resources/profiles/Prusa/process/0.20mm Detail @MK3S 0.6.json b/resources/profiles/Prusa/process/0.20mm Detail @MK3S 0.6.json
index 6fb6eb99be..37cb00ae79 100644
--- a/resources/profiles/Prusa/process/0.20mm Detail @MK3S 0.6.json	
+++ b/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",
diff --git a/resources/profiles/Prusa/process/0.20mm Speed @MK3S 0.4.json b/resources/profiles/Prusa/process/0.20mm Speed @MK3S 0.4.json
index 73355f53c2..7ae485dfef 100644
--- a/resources/profiles/Prusa/process/0.20mm Speed @MK3S 0.4.json	
+++ b/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",
diff --git a/resources/profiles/Prusa/process/0.20mm Speed @MK3S.json b/resources/profiles/Prusa/process/0.20mm Speed @MK3S.json
index f3fbbe4cb1..89f73c7a54 100644
--- a/resources/profiles/Prusa/process/0.20mm Speed @MK3S.json	
+++ b/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",
diff --git a/src/libslic3r/Preset.cpp b/src/libslic3r/Preset.cpp
index cfc777c8cc..d4610cc961 100644
--- a/src/libslic3r/Preset.cpp
+++ b/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",
diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 0fd8c91b78..1c259a028c 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/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");
diff --git a/src/libslic3r/PrintConfig.hpp b/src/libslic3r/PrintConfig.hpp
index dc222603b8..88cc8438bf 100644
--- a/src/libslic3r/PrintConfig.hpp
+++ b/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))
diff --git a/src/libslic3r/PrintObject.cpp b/src/libslic3r/PrintObject.cpp
index 01d7e242c9..0c5d78de77 100644
--- a/src/libslic3r/PrintObject.cpp
+++ b/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"
diff --git a/src/libslic3r/Support/SupportMaterial.cpp b/src/libslic3r/Support/SupportMaterial.cpp
index 4d0aafcffb..3050bd7f6e 100644
--- a/src/libslic3r/Support/SupportMaterial.cpp
+++ b/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);
diff --git a/src/libslic3r/Support/TreeSupport3D.cpp b/src/libslic3r/Support/TreeSupport3D.cpp
index c96801e008..fb4dcb2c9a 100644
--- a/src/libslic3r/Support/TreeSupport3D.cpp
+++ b/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 ?
diff --git a/src/slic3r/GUI/ConfigManipulation.cpp b/src/slic3r/GUI/ConfigManipulation.cpp
index 4bfcf18cf0..44ed3da012 100644
--- a/src/slic3r/GUI/ConfigManipulation.cpp
+++ b/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);
diff --git a/src/slic3r/GUI/GUI_Factories.cpp b/src/slic3r/GUI/GUI_Factories.cpp
index 8d1452a0fa..416c269905 100644
--- a/src/slic3r/GUI/GUI_Factories.cpp
+++ b/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
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index 7ec6d1b976..8005d4ee6d 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/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");