diff --git a/Editor/Scripts/Editor/AssetDatabaseUtils.cs b/Editor/Scripts/Editor/AssetDatabaseUtils.cs
index 611258c..39a9336 100644
--- a/Editor/Scripts/Editor/AssetDatabaseUtils.cs
+++ b/Editor/Scripts/Editor/AssetDatabaseUtils.cs
@@ -43,5 +43,10 @@ namespace TAO.VertexAnimation.Editor
 				}
 			}
 		}
+
+		public static bool HasAsset(string path, System.Type type)
+		{
+			return (AssetDatabase.LoadAssetAtPath(path, type) ? true : false);
+		}
 	}
 }
\ No newline at end of file
diff --git a/Editor/Scripts/ModelBaker/AnimationPrefab.cs b/Editor/Scripts/ModelBaker/AnimationPrefab.cs
index 5fff3ca..692ceb0 100644
--- a/Editor/Scripts/ModelBaker/AnimationPrefab.cs
+++ b/Editor/Scripts/ModelBaker/AnimationPrefab.cs
@@ -7,22 +7,65 @@ namespace TAO.VertexAnimation.Editor
 	{
 		public static GameObject Create(string path, string name, Mesh[] meshes, Material material, float[] lodTransitions)
 		{
-			// Create parent.
-			GameObject parent = new GameObject(name, typeof(LODGroup), typeof(VA_AnimatorComponentAuthoring), typeof(Unity.Entities.ConvertToEntity));
+			GameObject parent = null;
+			if (AssetDatabaseUtils.HasAsset(path, typeof(GameObject)))
+			{
+				// Load existing parent.
+				parent = PrefabUtility.LoadPrefabContents(path);
+
+				// Check setup.
+				if (!parent.TryGetComponent(out LODGroup _))
+				{
+					parent.AddComponent<LODGroup>();
+				}
+
+				if (!parent.TryGetComponent(out VA_AnimatorComponentAuthoring _))
+				{
+					parent.AddComponent<VA_AnimatorComponentAuthoring>();
+				}
+
+				if (!parent.TryGetComponent(out Unity.Entities.ConvertToEntity _))
+				{
+					parent.AddComponent<Unity.Entities.ConvertToEntity>();
+				}
+			}
+			else
+			{
+				// Create parent.
+				parent = new GameObject(name, typeof(LODGroup), typeof(VA_AnimatorComponentAuthoring), typeof(Unity.Entities.ConvertToEntity));
+			}
 
 			// Create all LODs.
 			LOD[] lods = new LOD[meshes.Length];
 
 			for (int i = 0; i < meshes.Length; i++)
 			{
-				GameObject lod = new GameObject(string.Format("{0}_LOD{1}", name, i), typeof(MeshFilter), typeof(MeshRenderer));
-				
-				var mf = lod.GetComponent<MeshFilter>();
-				mf.sharedMesh = meshes[i];
-				var mr = lod.GetComponent<MeshRenderer>();
-				mr.sharedMaterial = material;
+				string childName = string.Format("{0}_LOD{1}", name, i);
 
-				lod.transform.SetParent(parent.transform);
+				GameObject child;
+				{
+					Transform t = parent.transform.Find(childName);
+					if (t)
+					{
+						child = t.gameObject;
+					}
+					else
+					{
+						child = new GameObject(childName, typeof(MeshFilter), typeof(MeshRenderer));
+					}
+				}
+
+				if (child.TryGetComponent(out MeshFilter mf))
+				{
+					mf.sharedMesh = meshes[i];
+				}
+
+				if (child.TryGetComponent(out MeshRenderer mr))
+				{
+					mr.sharedMaterial = material;
+				}
+
+				child.transform.SetParent(parent.transform);
 				lods[i] = new LOD(lodTransitions[i], new Renderer[1] { mr });
 			}
 
diff --git a/Editor/Scripts/ModelBaker/Editor/VA_ModelBakerEditor.cs b/Editor/Scripts/ModelBaker/Editor/VA_ModelBakerEditor.cs
index 7d30377..e92faf7 100644
--- a/Editor/Scripts/ModelBaker/Editor/VA_ModelBakerEditor.cs
+++ b/Editor/Scripts/ModelBaker/Editor/VA_ModelBakerEditor.cs
@@ -39,31 +39,19 @@ namespace TAO.VertexAnimation.Editor
 
 		private void BakeGUI()
 		{
-			EditorGUILayout.PropertyField(serializedObject.FindProperty("saveBakedDataToAsset"));
+			EditorGUILayout.PropertyField(serializedObject.FindProperty("lodSettings").FindPropertyRelative("lodSettings"));
+			EditorGUILayout.PropertyField(serializedObject.FindProperty("generateAnimationBook"));
 
-			int il = EditorGUI.indentLevel;
-			if (modelBaker.saveBakedDataToAsset)
+			using (new EditorGUILayout.HorizontalScope())
 			{
-				EditorGUI.indentLevel++;
-				EditorGUILayout.PropertyField(serializedObject.FindProperty("generateAnimationBook"));
-				EditorGUILayout.PropertyField(serializedObject.FindProperty("lodSettings"));
-
-				using (new EditorGUILayout.HorizontalScope())
-				{
-					EditorGUILayout.PropertyField(serializedObject.FindProperty("generatePrefab"));
-					EditorGUILayout.PropertyField(serializedObject.FindProperty("materialShader"), new GUIContent(""));
-				}
+				EditorGUILayout.PropertyField(serializedObject.FindProperty("generatePrefab"));
+				EditorGUILayout.PropertyField(serializedObject.FindProperty("materialShader"), new GUIContent(""));
 			}
-			EditorGUI.indentLevel = il;
 
 			if (GUILayout.Button("Bake", GUILayout.Height(32)))
 			{
 				modelBaker.Bake();
-
-				if (modelBaker.saveBakedDataToAsset)
-				{
-					modelBaker.SaveAssets();
-				}
+				modelBaker.SaveAssets();
 			}
 
 			if (GUILayout.Button("Delete", EditorStyles.miniButtonRight))
diff --git a/Editor/Scripts/ModelBaker/VA_ModelBaker.cs b/Editor/Scripts/ModelBaker/VA_ModelBaker.cs
index 0887c20..d480c72 100644
--- a/Editor/Scripts/ModelBaker/VA_ModelBaker.cs
+++ b/Editor/Scripts/ModelBaker/VA_ModelBaker.cs
@@ -16,7 +16,6 @@ namespace TAO.VertexAnimation.Editor
 		public int textureWidth = 512;
 	
 		public LODSettings lodSettings = new LODSettings();
-		public bool saveBakedDataToAsset = true;
 		public bool generateAnimationBook = true;
 		public bool generatePrefab = true;
 		public Shader materialShader = null;
@@ -34,7 +33,6 @@ namespace TAO.VertexAnimation.Editor
 		[System.Serializable]
 		public class LODSettings
 		{
-			public bool generate = true;
 			public LODSetting[] lodSettings = new LODSetting[3] { new LODSetting(1, .4f), new LODSetting(.6f, .15f), new LODSetting(.3f, .01f) };
 
 			public float[] GetQualitySettings()
@@ -91,15 +89,7 @@ namespace TAO.VertexAnimation.Editor
 			bakedData = target.Bake(animationClips, fps, textureWidth);
 
 			positionMap = VA_Texture2DArrayUtils.CreateTextureArray(bakedData.positionMaps.ToArray(), false, true, TextureWrapMode.Repeat, FilterMode.Point, 1, string.Format("{0}_PositionMap", name), true);
-
-			if (lodSettings.generate)
-			{
-				meshes = bakedData.mesh.GenerateLOD(lodSettings.LODCount(), lodSettings.GetQualitySettings());
-			}
-			else
-			{
-				meshes = new Mesh[1] { bakedData.mesh };
-			}
+			meshes = bakedData.mesh.GenerateLOD(lodSettings.LODCount(), lodSettings.GetQualitySettings());
 
 			DestroyImmediate(target);
 		}
@@ -114,10 +104,6 @@ namespace TAO.VertexAnimation.Editor
 			}
 
 			AssetDatabase.AddObjectToAsset(positionMap, this);
-			//foreach (var pm in bakedData.positionMaps)
-			//{
-			//	AssetDatabase.AddObjectToAsset(pm, this);
-			//}
 
 			AssetDatabase.SaveAssets();
 
@@ -161,7 +147,7 @@ namespace TAO.VertexAnimation.Editor
 			AssetDatabase.Refresh();
 		}
 
-		public void GeneratePrefab()
+		private void GeneratePrefab()
 		{
 			string path = AssetDatabase.GetAssetPath(this);
 			int start = path.LastIndexOf('/');
@@ -186,7 +172,7 @@ namespace TAO.VertexAnimation.Editor
 			prefab = AnimationPrefab.Create(path, name, meshes, material, lodSettings.GetTransitionSettings());
 		}
 
-		public void GenerateBook()
+		private void GenerateBook()
 		{
 			if (!book)
 			{