diff --git a/js/models/AppState.js b/js/models/AppState.js
index 13e150963fae725950ab26fff00aee3978a0f955..53e1fa123accc3788260d898c826ac52c70595bb 100644
--- a/js/models/AppState.js
+++ b/js/models/AppState.js
@@ -62,6 +62,7 @@ AppState = Backbone.Model.extend({
 
         this.listenTo(this, "change:currentTab", this._updateCellMode);
         this.listenTo(this, "change:cellMode", this._cellModeDidChange);
+        this.listenTo(this, "change:cellType change:connectionType", this._buildNewLattice);
 
         this.listenTo(this, "change:lattice", this._buildLatticeMenu);
 
@@ -111,6 +112,11 @@ AppState = Backbone.Model.extend({
         this.set("menuWrapper", new MenuWrapper({lattice:this.get("lattice"), model:this}));
     },
 
+    _buildNewLattice: function(){
+        this.get("lattice").destroy();
+//        var mode =
+    },
+
     ///////////////////////////////////////////////////////////////////////////////
     /////////////////////KEY BINDINGS//////////////////////////////////////////////
     ///////////////////////////////////////////////////////////////////////////////
diff --git a/js/models/BasePlane.js b/js/models/BasePlane.js
index 191c31a6bc3910806970f53cd3e08bb7543bbe63..64b120a260d000d88bf5655946eee9faadb34a94 100644
--- a/js/models/BasePlane.js
+++ b/js/models/BasePlane.js
@@ -52,12 +52,12 @@ BasePlane = Backbone.Model.extend({
     },
 
     destroy: function(){
-        this.set("zIndex", null);
-        this.set("mesh", null);
-        this.set("material", null);
-        this.set("unitGeometry", null);
-        this.set("dimX", null);
-        this.set("dimY", null);
+        this.set("zIndex", null, {silent:true});
+        this.set("mesh", null, {silent:true});
+        this.set("material", null, {silent:true});
+        this.set("unitGeometry", null, {silent:true});
+        this.set("dimX", null, {silent:true});
+        this.set("dimY", null, {silent:true});
     }
 
 });
diff --git a/js/models/Lattice.js b/js/models/Lattice.js
index 9a782610786686b586e0d3903b278323f5b90409..c98268f9acaa0f7b93248732ca6ac5b0b061de87 100644
--- a/js/models/Lattice.js
+++ b/js/models/Lattice.js
@@ -290,6 +290,19 @@ Lattice = Backbone.Model.extend({
 
     getScale: function(){
         return this.get("scale");
+    },
+
+    destroy: function(){
+        this.set("scale", null, {silent:true});
+        this.set("nodes", null, {silent:true});
+        this.clearCells();
+        this.set("cells", null, {silent:true});
+        this.set("inverseCells", null, {silent:true});
+        this.set("cellsMin", null, {silent:true});
+        this.set("cellsMax", null, {silent:true});
+        this.set("numCells", null, {silent:true});
+        this.get("basePlane").destroy();
+        this.set("basePlane", null, {silent:true});
     }
 
 });