diff --git a/source/core/taskrunner.js b/source/core/taskrunner.js
index 1d8fd7c..39242bc 100644
--- a/source/core/taskrunner.js
+++ b/source/core/taskrunner.js
@@ -68,7 +68,7 @@ OV.RunTasks = function (count, callbacks)
     taskRunner.Run (count, callbacks);
 };
 
-OV.RunTaskBatch = function (count, batchCount, callbacks)
+OV.RunTasksBatch = function (count, batchCount, callbacks)
 {
     let taskRunner = new OV.TaskRunner ();
     taskRunner.RunBatch (count, batchCount, callbacks);
diff --git a/source/model/node.js b/source/model/node.js
index ad029a8..a9d6a7c 100644
--- a/source/model/node.js
+++ b/source/model/node.js
@@ -9,6 +9,11 @@ OV.Node = class
         this.meshIndices = [];
     }
 
+    IsEmpty ()
+    {
+        return this.childNodes.length === 0 && this.meshIndices.length === 0;
+    }
+
     GetName ()
     {
         return this.name;
@@ -57,6 +62,16 @@ OV.Node = class
         return this.meshIndices.length - 1;
     }
 
+    MeshIndexCount ()
+    {
+        return this.meshIndices.length;
+    }
+
+    GetMeshIndex (index)
+    {
+        return this.meshIndices[index];
+    }
+
     GetMeshIndices ()
     {
         return this.meshIndices;
diff --git a/source/threejs/threeconverter.js b/source/threejs/threeconverter.js
index 1a23928..6575c04 100644
--- a/source/threejs/threeconverter.js
+++ b/source/threejs/threeconverter.js
@@ -247,6 +247,25 @@ OV.ConvertModelToThreeObject = function (model, params, output, callbacks)
 		return threeMesh;
 	}
 
+	function ConvertMeshList (threeObject, model, modelThreeMaterials, stateHandler)
+	{
+		OV.RunTasksBatch (model.MeshCount (), 100, {
+			runTask : (firstIndex, lastIndex, ready) => {
+				for (let meshIndex = firstIndex; meshIndex <= lastIndex; meshIndex++) {
+					let mesh = model.GetMesh (meshIndex);
+					if (mesh.TriangleCount () > 0) {
+						let threeMesh = CreateThreeMesh (model, meshIndex, modelThreeMaterials);
+						threeObject.add (threeMesh);
+					}
+				}
+				ready ();
+			},
+			onReady : () => {
+				stateHandler.OnModelLoaded (threeObject);
+			}
+		});
+	}
+
 	let stateHandler = new OV.ThreeConversionStateHandler (callbacks);
 
 	let modelThreeMaterials = [];
@@ -256,19 +275,5 @@ OV.ConvertModelToThreeObject = function (model, params, output, callbacks)
 	}
 
 	let threeObject = new THREE.Object3D ();
-	OV.RunTaskBatch (model.MeshCount (), 100, {
-		runTask : (firstIndex, lastIndex, ready) => {
-			for (let meshIndex = firstIndex; meshIndex <= lastIndex; meshIndex++) {
-				let mesh = model.GetMesh (meshIndex);
-				if (mesh.TriangleCount () > 0) {
-					let threeMesh = CreateThreeMesh (model, meshIndex, modelThreeMaterials);
-					threeObject.add (threeMesh);
-				}
-			}
-			ready ();
-		},
-		onReady : () => {
-			stateHandler.OnModelLoaded (threeObject);
-		}
-	});
+	ConvertMeshList (threeObject, model, modelThreeMaterials, stateHandler);
 };
diff --git a/test/tests/node_test.js b/test/tests/node_test.js
index 2bb02a0..accefed 100644
--- a/test/tests/node_test.js
+++ b/test/tests/node_test.js
@@ -8,6 +8,18 @@ describe ('Node', function() {
         assert.deepStrictEqual (node.GetMeshIndices (), []);
     });
 
+    it ('Is Empty', function () {
+        let node = new OV.Node ();
+        assert (node.IsEmpty ());
+        node.AddMeshIndex (0);
+        assert (!node.IsEmpty ());
+
+        let node2 = new OV.Node ();
+        assert (node2.IsEmpty ());
+        node2.AddChildNode (new OV.Node ());
+        assert (!node2.IsEmpty ());        
+    });
+
     it ('Set Name', function () {
         let node = new OV.Node ();
         node.SetName ('New Name');
diff --git a/test/tests/taskrunner_test.js b/test/tests/taskrunner_test.js
index 60c30ec..81e1b03 100644
--- a/test/tests/taskrunner_test.js
+++ b/test/tests/taskrunner_test.js
@@ -31,7 +31,7 @@ describe ('Task Runner', function () {
 
     it ('Run task batched', function (done) {
         var indices = [];
-        OV.RunTaskBatch (10, 3, {
+        OV.RunTasksBatch (10, 3, {
             runTask : function (firstIndex, lastIndex, ready) {
                 indices.push ([firstIndex, lastIndex]);
                 ready ();
@@ -45,7 +45,7 @@ describe ('Task Runner', function () {
 
     it ('Run task batched zero times', function (done) {
         var indices = [];
-        OV.RunTaskBatch (0, 3, {
+        OV.RunTasksBatch (0, 3, {
             runTask : function (firstIndex, lastIndex, ready) {
                 indices.push ([firstIndex, lastIndex]);
                 ready ();