diff --git a/src/kiri/dev/fdm/GridBot.One.json b/src/kiri/dev/fdm/GridBot.One.json
deleted file mode 100644
index 21ccb365..00000000
--- a/src/kiri/dev/fdm/GridBot.One.json
+++ /dev/null
@@ -1,43 +0,0 @@
-{
-    "pre":[
-        "M117 Heating                 ; announce heating",
-        "M107                         ; turn off filament cooling fan",
-        "M104 S{temp} T0              ; set extruder temperature",
-        "M140 S{bed_temp} T0          ; set bed temperature",
-        "G90                          ; set absolute positioning mode",
-        "M83                          ; set relative positioning for extruder",
-        "G28                          ; home axes",
-        "G1 F3000                     ; set default move speed",
-        "M190 S{bed_temp} T0          ; wait for bed to reach target temp",
-        "M109 S{temp} T0              ; wait for extruder to reach target temp",
-        "M117 Purge                   ; announce purge",
-        "G92 E0                       ; set extruder position to 0",
-        "G1 E20 F250                  ; purge 20mm from extruder",
-        "G1 X0 Y0 Z0 E1 F3000         ; move to origin / wipe",
-        "M117 Start Print             ; announce start of print"
-    ],
-    "post":[
-        "M117 Done           ; announce done",
-        "M107                ; turn off filament cooling fan",
-        "M104 S0 T0          ; turn off extruder",
-        "M140 S0 T0          ; turn off bed",
-        "G91                 ; relative movement",
-        "G1 Z10 F1200        ; drop bed 10mm",
-        "G90                 ; absolute positioning",
-        "G28 X0 Y0           ; home XY axes",
-        "M84                 ; disable stepper motors"
-    ],
-    "cmd":{
-        "fan_power": "M106 S{fan_speed}",
-        "progress": "M117 {progress}% layer {layer} / {layers}"
-    },
-    "settings":{
-        "image_url": "/decal/gridbot.png",
-        "image_anchor": 0,
-        "image_scale": 1,
-        "origin_center": false,
-        "bed_width": 300,
-        "bed_depth": 300,
-        "build_height": 300
-    }
-}
diff --git a/src/kiri/dev/fdm/GridBot.Two.json b/src/kiri/dev/fdm/GridBot.Two.json
deleted file mode 100644
index 21ccb365..00000000
--- a/src/kiri/dev/fdm/GridBot.Two.json
+++ /dev/null
@@ -1,43 +0,0 @@
-{
-    "pre":[
-        "M117 Heating                 ; announce heating",
-        "M107                         ; turn off filament cooling fan",
-        "M104 S{temp} T0              ; set extruder temperature",
-        "M140 S{bed_temp} T0          ; set bed temperature",
-        "G90                          ; set absolute positioning mode",
-        "M83                          ; set relative positioning for extruder",
-        "G28                          ; home axes",
-        "G1 F3000                     ; set default move speed",
-        "M190 S{bed_temp} T0          ; wait for bed to reach target temp",
-        "M109 S{temp} T0              ; wait for extruder to reach target temp",
-        "M117 Purge                   ; announce purge",
-        "G92 E0                       ; set extruder position to 0",
-        "G1 E20 F250                  ; purge 20mm from extruder",
-        "G1 X0 Y0 Z0 E1 F3000         ; move to origin / wipe",
-        "M117 Start Print             ; announce start of print"
-    ],
-    "post":[
-        "M117 Done           ; announce done",
-        "M107                ; turn off filament cooling fan",
-        "M104 S0 T0          ; turn off extruder",
-        "M140 S0 T0          ; turn off bed",
-        "G91                 ; relative movement",
-        "G1 Z10 F1200        ; drop bed 10mm",
-        "G90                 ; absolute positioning",
-        "G28 X0 Y0           ; home XY axes",
-        "M84                 ; disable stepper motors"
-    ],
-    "cmd":{
-        "fan_power": "M106 S{fan_speed}",
-        "progress": "M117 {progress}% layer {layer} / {layers}"
-    },
-    "settings":{
-        "image_url": "/decal/gridbot.png",
-        "image_anchor": 0,
-        "image_scale": 1,
-        "origin_center": false,
-        "bed_width": 300,
-        "bed_depth": 300,
-        "build_height": 300
-    }
-}
diff --git a/src/kiri/mode/fdm/app/init-ui.js b/src/kiri/mode/fdm/app/init-ui.js
index d74c7c74..00837bd5 100644
--- a/src/kiri/mode/fdm/app/init-ui.js
+++ b/src/kiri/mode/fdm/app/init-ui.js
@@ -305,7 +305,7 @@ function supportStart({ remove } = { remove: false }) {
     // Get belt configuration for paint constraint
     const settings = api.conf.get();
     const isBelt = settings.device.bedBelt;
-    const beltAngle = isBelt ? (settings.process.sliceAngle || 45) : 0;
+    const beltAngle = isBelt ? (settings.process.sliceAngle || 45) * Math.PI / 180 : 0;
     const supportAngle = settings.process.sliceSupportAngle || 45;
 
     api.widgets.each(w => {
@@ -326,8 +326,8 @@ function supportStart({ remove } = { remove: false }) {
         }
         addPaintOverlayTexture(mat, w.anno.paint, new THREE.Color(paintColor), {
             beltMode: isBelt,
-            beltAngle: beltAngle * Math.PI / 180,  // Convert to radians
-            supportAngle: settings.process.sliceSupportAngle || 45
+            beltAngle,
+            supportAngle
         });
     })
     api.space.update();