diff --git a/src/moto/ctrl.js b/src/moto/ctrl.js
index 9cb5a81f..2e34cce7 100644
--- a/src/moto/ctrl.js
+++ b/src/moto/ctrl.js
@@ -62,13 +62,26 @@ MOTO.CTRL = function (object, domElement, notify, slider) {
         BOTTOM: 40
     };
 
-    // Mouse buttons
-    this.mouseButtons = {
+    // default mouse buttons
+    this.mouseDefault = {
         ORBIT: THREE.MOUSE.LEFT,
-        ZOOM: THREE.MOUSE.MIDDLE,
+        // ZOOM: THREE.MOUSE.MIDDLE,
         PAN: THREE.MOUSE.RIGHT
     };
 
+    // Onshape
+    this.mouseOnshape = {
+        ORBIT: THREE.MOUSE.RIGHT,
+        // ZOOM: THREE.MOUSE.MIDDLE,
+        PAN: THREE.MOUSE.MIDDLE
+    };
+
+    this.mouseButtons = this.mouseDefault;
+
+    this.setMouse = function(bindings) {
+        this.mouseButtons = bindings;
+    };
+
     let scope = this,
         domEl = scope.domElement,
         EPS = 0.000001,
diff --git a/src/moto/space.js b/src/moto/space.js
index 628892fc..2864628f 100644
--- a/src/moto/space.js
+++ b/src/moto/space.js
@@ -844,6 +844,13 @@
             save:  function()    { return viewControl.getPosition(true) },
             panTo: function(x,y,z) { tweenCamPan(x,y,z) },
             setZoom: function(r,v) { viewControl.setZoom(r,v) },
+            setCtrl: function(name) {
+                if (name === 'onshape') {
+                    viewControl.setMouse(viewControl.mouseOnshape);
+                } else {
+                    viewControl.setMouse(viewControl.mouseDefault);
+                }
+            },
             getFPS: function() { return fps }
         },