fixes to allow cam processing with engine.html

src/kiri/engine.js

@@ -82,6 +82,21 @@ class Engine {
         return this;
     }
 
+    setTools(tools) {
+        this.settings.tools = tools;
+        return this;
+    }
+
+    setStock(stock) {
+        this.settings.stock = stock;
+        return this;
+    }
+
+    setOrigin(x,y,z) {
+        this.settings.origin = { x, y, z };
+        return this;
+    }
+
     moveTo(x, y, z) {
         this.widget.move(x, y, z, true);
         return this;