1 files changed, 5 insertions, 3 deletions

diff --git a/js/helper-classes/3D/snap-manager.js b/js/helper-classes/3D/snap-manager.js
index 4dcda24a..e3756f32 100755
--- a/js/helper-classes/3D/snap-manager.js
+++ b/js/helper-classes/3D/snap-manager.js
@@ -22,6 +22,8 @@ var SnapManager = exports.SnapManager = Montage.create(Component, {
         // Instance variables
         ///////////////////////////////////////////////////////////////////////
 
+    currentStage: { value: null },
+
         // we keep a stack of working planes to facilitate working on other planes temporarily
         _workingPlaneStack : { value: [], writable: true },
 
@@ -82,14 +84,14 @@ var SnapManager = exports.SnapManager = Montage.create(Component, {
         popWorkingPlane : { value: function ()          { workingPlane = this._workingPlaneStack.pop(); return workingPlane; }},
 
         getStageWidth : { value: function ()            {
-                return parseInt(this.application.ninja.currentDocument.model.documentRoot.offsetWidth);
+                return parseInt(this.currentStage.offsetWidth);
         }},
 
         getStageHeight : { value: function ()           {
-                return parseInt(this.application.ninja.currentDocument.model.documentRoot.offsetHeight);
+                return parseInt(this.currentStage.offsetHeight);
         }},
 
-    getStage : { value: function()              {        return this.application.ninja.currentDocument.model.documentRoot;    }},
+    getStage : { value: function()              {        return this.currentStage;    }},
 
         getGridVertexHitRad : { value: function()               {  return this._gridVertexHitRad;                               }},
         getGridEdgeHitRad : { value: function()         {  return this._gridEdgeHitRad;                                 }},