diff --git a/Assets/IsoTools/Examples/Prefabs/Tests/Cube_1x1x3.prefab b/Assets/IsoTools/Examples/Prefabs/Tests/Cube_1x1x3.prefab
index 99f4494..82f0b52 100644
--- a/Assets/IsoTools/Examples/Prefabs/Tests/Cube_1x1x3.prefab
+++ b/Assets/IsoTools/Examples/Prefabs/Tests/Cube_1x1x3.prefab
@@ -44,7 +44,6 @@ MonoBehaviour:
   _position: {x: 0, y: 0, z: 0}
   _mode: 0
   _cacheRenderers: 1
-  _isAlignment: 1
   _isShowBounds: 0
 --- !u!212 &21263702
 SpriteRenderer:
diff --git a/Assets/IsoTools/Scripts/Internal/Editor/IsoObjectEditor.cs b/Assets/IsoTools/Scripts/Internal/Editor/IsoObjectEditor.cs
index 065aff4..2c09081 100644
--- a/Assets/IsoTools/Scripts/Internal/Editor/IsoObjectEditor.cs
+++ b/Assets/IsoTools/Scripts/Internal/Editor/IsoObjectEditor.cs
@@ -13,8 +13,8 @@ namespace IsoTools.Internal {
 		Vector3                         _center        = Vector3.zero;
 		Vector3                         _viewCenter    = Vector3.zero;
 
-		static public readonly float SnappingDistance       = 0.2f;
-		static public readonly float FloatBeautifierEpsilon = 1e-5f;
+		static public readonly float SnappingDistance      = 0.2f;
+		static public readonly int   FloatBeautifierDigits = 4;
 
 		static bool IsSnappingEnabled() {
 			return !Event.current.control;
@@ -59,8 +59,7 @@ namespace IsoTools.Internal {
 		}
 
 		float FloatBeautifier(float v) {
-			var rv = Mathf.Round(v);
-			return Mathf.Abs(rv - v) < FloatBeautifierEpsilon ? rv : v;
+			return (float)System.Math.Round(v, FloatBeautifierDigits);
 		}
 
 		Vector2 Vector2Beautifier(Vector2 v) {
diff --git a/Assets/IsoTools/Scripts/IsoObject.cs b/Assets/IsoTools/Scripts/IsoObject.cs
index 40e0be5..56f08c9 100644
--- a/Assets/IsoTools/Scripts/IsoObject.cs
+++ b/Assets/IsoTools/Scripts/IsoObject.cs
@@ -199,6 +199,8 @@ namespace IsoTools {
 			public float                   Offset3d       = 0.0f;
 			public Vector2                 MinSector      = Vector2.zero;
 			public Vector2                 MaxSector      = Vector2.zero;
+			public Transform               Transform      = null;
+			public Vector2                 LastTrans      = Vector2.zero;
 			public List<Renderer>          Renderers      = new List<Renderer>();
 			public IsoAssocList<IsoObject> SelfDepends    = new IsoAssocList<IsoObject>(47);
 			public IsoAssocList<IsoObject> TheirDepends   = new IsoAssocList<IsoObject>(47);
@@ -213,12 +215,6 @@ namespace IsoTools {
 		// ---------------------------------------------------------------------
 
 	#if UNITY_EDITOR
-		Vector3 _lastSize           = Vector3.zero;
-		Vector3 _lastPosition       = Vector3.zero;
-		Vector2 _lastTransPos       = Vector2.zero;
-		Mode    _lastMode           = Mode.Mode2d;
-		bool    _lastCacheRenderers = false;
-
 		[Space(10)]
 		[SerializeField] bool _isShowBounds = false;
 
@@ -246,9 +242,10 @@ namespace IsoTools {
 
 		public void FixTransform() {
 			if ( isoWorld ) {
-				transform.position = IsoUtils.Vec3ChangeZ(
+				FixInternalTransform();
+				Internal.Transform.position = IsoUtils.Vec3ChangeZ(
 					isoWorld.IsoToScreen(position),
-					transform.position.z);
+					Internal.Transform.position.z);
 				FixScreenRect();
 			}
 			FixLastProperties();
@@ -257,8 +254,9 @@ namespace IsoTools {
 
 		public void FixIsoPosition() {
 			if ( isoWorld ) {
+				FixInternalTransform();
 				position = isoWorld.ScreenToIso(
-					transform.position,
+					Internal.Transform.position,
 					positionZ);
 			}
 		}
@@ -282,13 +280,14 @@ namespace IsoTools {
 		}
 
 		void FixLastProperties() {
-		#if UNITY_EDITOR
-			_lastSize           = size;
-			_lastPosition       = position;
-			_lastTransPos       = transform.position;
-			_lastMode           = mode;
-			_lastCacheRenderers = cacheRenderers;
-		#endif
+			FixInternalTransform();
+			Internal.LastTrans = Internal.Transform.position;
+		}
+
+		void FixInternalTransform() {
+			if ( !Internal.Transform ) {
+				Internal.Transform = transform;
+			}
 		}
 
 		void MartDirtyIsoWorld() {
@@ -344,24 +343,6 @@ namespace IsoTools {
 				IsoUtils.DrawCube(isoWorld, position + size * 0.5f, size, Color.red);
 			}
 		}
-
-		void Update() {
-			if ( !IsoUtils.Vec3Approximately(_lastSize, _size) ) {
-				size = _size;
-			}
-			if ( !IsoUtils.Vec3Approximately(_lastPosition, _position) ) {
-				position = _position;
-			}
-			if ( !IsoUtils.Vec2Approximately(_lastTransPos, transform.position) ) {
-				FixIsoPosition();
-			}
-			if ( _lastCacheRenderers != _cacheRenderers ) {
-				cacheRenderers = _cacheRenderers;
-			}
-			if ( _lastMode != _mode ) {
-				mode = _mode;
-			}
-		}
 	#endif
 	}
 }
diff --git a/Assets/IsoTools/Scripts/IsoWorld.cs b/Assets/IsoTools/Scripts/IsoWorld.cs
index 7799497..c794088 100644
--- a/Assets/IsoTools/Scripts/IsoWorld.cs
+++ b/Assets/IsoTools/Scripts/IsoWorld.cs
@@ -361,7 +361,7 @@ namespace IsoTools {
 		bool UpdateIsoObjectBounds3d(IsoObject iso_object) {
 			if ( iso_object.mode == IsoObject.Mode.Mode3d ) {
 				var minmax3d = IsoObjectMinMax3D(iso_object);
-				var offset3d = iso_object.transform.position.z - minmax3d.center;
+				var offset3d = iso_object.Internal.Transform.position.z - minmax3d.center;
 				if ( iso_object.Internal.MinMax3d.Approximately(minmax3d) ||
 					!Mathf.Approximately(iso_object.Internal.Offset3d, offset3d) )
 				{
@@ -603,6 +603,12 @@ namespace IsoTools {
 			_oldVisibles.Clear();
 			for ( int i = 0, e = _objects.Count; i < e; ++i ) {
 				var iso_object = _objects[i];
+				if ( !IsoUtils.Vec2Approximately(
+					iso_object.Internal.LastTrans,
+					iso_object.Internal.Transform.position) )
+				{
+					iso_object.FixIsoPosition();
+				}
 				if ( IsIsoObjectVisible(iso_object) ) {
 					iso_object.Internal.Placed = false;
 					_oldVisibles.Add(iso_object);
@@ -686,7 +692,7 @@ namespace IsoTools {
 		}
 
 		void PlaceIsoObject(IsoObject iso_object, float depth) {
-			var trans = iso_object.transform;
+			var trans = iso_object.Internal.Transform;
 			trans.position = IsoUtils.Vec3ChangeZ(trans.position, depth);
 		}