filter dup slice indices in cam. fix factor declaration

src/kiri/main.js

@@ -1100,8 +1100,8 @@
         }
 
         function sliceWidget(widget) {
-            widget.stack = STACKS.create(widget.id, widget.mesh),
-                factor = (widget.getVertices().count / defvert);
+            widget.stack = STACKS.create(widget.id, widget.mesh);
+            let factor = (widget.getVertices().count / defvert);
 
             // compensate for zcut (widget moved through floor)
             widget.stack.obj.view.position.z = widget.track.zcut || 0;

src/kiri/slicer2.js

@@ -395,7 +395,8 @@
                     return opt.down ? b-a : a-b;
                 });
             }
-
+            // filter duplicate values
+            array = array.map(v => v.round(5)).filter((e,i,a) => i < 1 || a[i-1] !== a[i]);
             return array.map(v => Math.abs(parseFloat(v.toFixed(5))));
         }
     }