diff --git a/src/kiri/core/widget.js b/src/kiri/core/widget.js
index 3e340433..783598ca 100644
--- a/src/kiri/core/widget.js
+++ b/src/kiri/core/widget.js
@@ -360,6 +360,10 @@ class Widget {
         this.setOpacity(opacity ?? 1);
     }
 
+    refreshVisualState() {
+        this.setVisualState(this.getVisualState());
+    }
+
     restoreVisualState() {
         if (this.cache.vizstate) {
             this.setVisualState(this.cache.vizstate);
@@ -613,6 +617,7 @@ class Widget {
         this.roto = [];
         this.center();
         this.setModified();
+        this.refreshVisualState();
     }
 
     mirror() {
diff --git a/src/kiri/mode/cam/slice.js b/src/kiri/mode/cam/slice.js
index 0d8f884d..2c9f454f 100644
--- a/src/kiri/mode/cam/slice.js
+++ b/src/kiri/mode/cam/slice.js
@@ -132,15 +132,17 @@ export async function cam_slice(settings, widget, onupdate, ondone) {
     }
 
     if (stock.x && stock.y && stock.z && !isIndexed) {
-        if (stock.x + 0.00001 < bounds.max.x - bounds.min.x) {
+        let maxDelta = 1e-3;
+
+        if (stock.x + maxDelta < (bounds.max.x - bounds.min.x)) {
             return error('stock X too small for part. resize stock or use offset stock');
         }
 
-        if (stock.y + 0.00001 < bounds.max.y - bounds.min.y) {
+        if (stock.y + maxDelta < (bounds.max.y - bounds.min.y)) {
             return error('stock Y too small for part. resize stock or use offset stock');
         }
 
-        if (stock.z + 0.00001 < bounds.max.z - bounds.min.z) {
+        if (stock.z + maxDelta < (bounds.max.z - bounds.min.z)) {
             return error('stock Z too small for part. resize stock or use offset stock');
         }
     }