diff --git a/Assets/Extensions.cs b/Assets/Extensions.cs
old mode 100644
new mode 100755
index 26c3cab..6fb510f
--- a/Assets/Extensions.cs
+++ b/Assets/Extensions.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using UnityEngine;
 
 public static class Extensions
 {
@@ -9,4 +10,49 @@
     {
         yield return item;
     }
+
+    public static Vector2 OverX(this Vector2 v, Func<float, float> func)
+    {
+        return new Vector2(func(v.x), v.y);
+    }
+
+    public static Vector3 OverX(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(func(v.x), v.y, v.z);
+    }
+
+    public static Vector4 OverX(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(func(v.x), v.y, v.z, v.w);
+    }
+
+    public static Vector2 OverY(this Vector2 v, Func<float, float> func)
+    {
+        return new Vector2(v.x, func(v.y));
+    }
+
+    public static Vector3 OverY(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(v.x, func(v.y), v.z);
+    }
+
+    public static Vector4 OverY(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, func(v.y), v.z, v.w);
+    }
+
+    public static Vector3 OverZ(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(v.x, v.y, func(v.z));
+    }
+
+    public static Vector4 OverZ(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, v.y, func(v.z), v.w);
+    }
+
+    public static Vector4 OverW(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, v.y, v.z, func(v.w));
+    }
 }

diff --git a/Assets/Extensions.cs b/Assets/Extensions.cs
old mode 100644
new mode 100755
index 26c3cab..6fb510f
--- a/Assets/Extensions.cs
+++ b/Assets/Extensions.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using UnityEngine;
 
 public static class Extensions
 {
@@ -9,4 +10,49 @@
     {
         yield return item;
     }
+
+    public static Vector2 OverX(this Vector2 v, Func<float, float> func)
+    {
+        return new Vector2(func(v.x), v.y);
+    }
+
+    public static Vector3 OverX(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(func(v.x), v.y, v.z);
+    }
+
+    public static Vector4 OverX(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(func(v.x), v.y, v.z, v.w);
+    }
+
+    public static Vector2 OverY(this Vector2 v, Func<float, float> func)
+    {
+        return new Vector2(v.x, func(v.y));
+    }
+
+    public static Vector3 OverY(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(v.x, func(v.y), v.z);
+    }
+
+    public static Vector4 OverY(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, func(v.y), v.z, v.w);
+    }
+
+    public static Vector3 OverZ(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(v.x, v.y, func(v.z));
+    }
+
+    public static Vector4 OverZ(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, v.y, func(v.z), v.w);
+    }
+
+    public static Vector4 OverW(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, v.y, v.z, func(v.w));
+    }
 }
diff --git a/Assets/IsoEditor.cs b/Assets/IsoEditor.cs
index 0895cdb..65c4470 100755
--- a/Assets/IsoEditor.cs
+++ b/Assets/IsoEditor.cs
@@ -17,6 +17,29 @@
         EnableButtons();
     }
 
+    public float IsoAngle
+    {
+        get
+        {
+            return IsoCamera.transform.localEulerAngles.x;
+        }
+    }
+
+    public float IsoAspect
+    {
+        get
+        {
+            return Mathf.Cos(Mathf.PI / 2.0f - Mathf.Deg2Rad * IsoAngle);
+        }
+    }
+
+    public static readonly float HSqrt2 = Mathf.Sqrt(2) / 2.0f;
+
+    public Vector2 IsoProject(Vector3 pos)
+    {
+        return new Vector2((pos.x + pos.z) * HSqrt2, ((-pos.x + pos.z) * IsoAspect + pos.y) * HSqrt2);
+    }
+
     private void OnDisable()
     {
         DisableButtons();

diff --git a/Assets/Extensions.cs b/Assets/Extensions.cs
old mode 100644
new mode 100755
index 26c3cab..6fb510f
--- a/Assets/Extensions.cs
+++ b/Assets/Extensions.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using UnityEngine;
 
 public static class Extensions
 {
@@ -9,4 +10,49 @@
     {
         yield return item;
     }
+
+    public static Vector2 OverX(this Vector2 v, Func<float, float> func)
+    {
+        return new Vector2(func(v.x), v.y);
+    }
+
+    public static Vector3 OverX(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(func(v.x), v.y, v.z);
+    }
+
+    public static Vector4 OverX(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(func(v.x), v.y, v.z, v.w);
+    }
+
+    public static Vector2 OverY(this Vector2 v, Func<float, float> func)
+    {
+        return new Vector2(v.x, func(v.y));
+    }
+
+    public static Vector3 OverY(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(v.x, func(v.y), v.z);
+    }
+
+    public static Vector4 OverY(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, func(v.y), v.z, v.w);
+    }
+
+    public static Vector3 OverZ(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(v.x, v.y, func(v.z));
+    }
+
+    public static Vector4 OverZ(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, v.y, func(v.z), v.w);
+    }
+
+    public static Vector4 OverW(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, v.y, v.z, func(v.w));
+    }
 }
diff --git a/Assets/IsoEditor.cs b/Assets/IsoEditor.cs
index 0895cdb..65c4470 100755
--- a/Assets/IsoEditor.cs
+++ b/Assets/IsoEditor.cs
@@ -17,6 +17,29 @@
         EnableButtons();
     }
 
+    public float IsoAngle
+    {
+        get
+        {
+            return IsoCamera.transform.localEulerAngles.x;
+        }
+    }
+
+    public float IsoAspect
+    {
+        get
+        {
+            return Mathf.Cos(Mathf.PI / 2.0f - Mathf.Deg2Rad * IsoAngle);
+        }
+    }
+
+    public static readonly float HSqrt2 = Mathf.Sqrt(2) / 2.0f;
+
+    public Vector2 IsoProject(Vector3 pos)
+    {
+        return new Vector2((pos.x + pos.z) * HSqrt2, ((-pos.x + pos.z) * IsoAspect + pos.y) * HSqrt2);
+    }
+
     private void OnDisable()
     {
         DisableButtons();
diff --git a/Assets/IsoObject.cs b/Assets/IsoObject.cs
index 9782b6f..ee4db18 100755
--- a/Assets/IsoObject.cs
+++ b/Assets/IsoObject.cs
@@ -9,7 +9,7 @@
 public class IsoObjectEditor : Editor
 {
     private int textureSelected = 0;
-    private List<Texture> textures = new List<Texture>();
+    private List<Material> textures = new List<Material>();
     public override void OnInspectorGUI()
     {
         DrawDefaultInspector();
@@ -22,15 +22,18 @@
             {
                 if (mr.sharedMaterial.shader.name == "Unlit/IsoShader")
                 {
-                    textures.Add(mr.sharedMaterial.GetTexture("_MainTex"));
+                    textures.Add(mr.sharedMaterial);
                 }
             }
 
             textureSelected = EditorGUILayout.Popup(Math.Min(textures.Count, textureSelected), new GUIContent("Select Texture").ToSingle().Concat(textures.Select(t => new GUIContent(t.name))).ToArray());
             if (textureSelected != 0)
             {
+                Material textureMat = textures[textureSelected - 1];
+
                 IsoTextureEditor editor = EditorWindow.GetWindow<IsoTextureEditor>();
-                editor.Init(textures[textureSelected - 1]);
+                Vector4 offset = textureMat.GetVector("_TextureOffset");
+                editor.Init(textureMat.GetTexture("_MainTex"), new Vector2(offset.x, offset.y), textureMat.GetFloat("_PixelsPerUnit"));
                 editor.Show();
                 textureSelected = 0;
             }

diff --git a/Assets/Extensions.cs b/Assets/Extensions.cs
old mode 100644
new mode 100755
index 26c3cab..6fb510f
--- a/Assets/Extensions.cs
+++ b/Assets/Extensions.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using UnityEngine;
 
 public static class Extensions
 {
@@ -9,4 +10,49 @@
     {
         yield return item;
     }
+
+    public static Vector2 OverX(this Vector2 v, Func<float, float> func)
+    {
+        return new Vector2(func(v.x), v.y);
+    }
+
+    public static Vector3 OverX(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(func(v.x), v.y, v.z);
+    }
+
+    public static Vector4 OverX(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(func(v.x), v.y, v.z, v.w);
+    }
+
+    public static Vector2 OverY(this Vector2 v, Func<float, float> func)
+    {
+        return new Vector2(v.x, func(v.y));
+    }
+
+    public static Vector3 OverY(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(v.x, func(v.y), v.z);
+    }
+
+    public static Vector4 OverY(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, func(v.y), v.z, v.w);
+    }
+
+    public static Vector3 OverZ(this Vector3 v, Func<float, float> func)
+    {
+        return new Vector3(v.x, v.y, func(v.z));
+    }
+
+    public static Vector4 OverZ(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, v.y, func(v.z), v.w);
+    }
+
+    public static Vector4 OverW(this Vector4 v, Func<float, float> func)
+    {
+        return new Vector4(v.x, v.y, v.z, func(v.w));
+    }
 }
diff --git a/Assets/IsoEditor.cs b/Assets/IsoEditor.cs
index 0895cdb..65c4470 100755
--- a/Assets/IsoEditor.cs
+++ b/Assets/IsoEditor.cs
@@ -17,6 +17,29 @@
         EnableButtons();
     }
 
+    public float IsoAngle
+    {
+        get
+        {
+            return IsoCamera.transform.localEulerAngles.x;
+        }
+    }
+
+    public float IsoAspect
+    {
+        get
+        {
+            return Mathf.Cos(Mathf.PI / 2.0f - Mathf.Deg2Rad * IsoAngle);
+        }
+    }
+
+    public static readonly float HSqrt2 = Mathf.Sqrt(2) / 2.0f;
+
+    public Vector2 IsoProject(Vector3 pos)
+    {
+        return new Vector2((pos.x + pos.z) * HSqrt2, ((-pos.x + pos.z) * IsoAspect + pos.y) * HSqrt2);
+    }
+
     private void OnDisable()
     {
         DisableButtons();
diff --git a/Assets/IsoObject.cs b/Assets/IsoObject.cs
index 9782b6f..ee4db18 100755
--- a/Assets/IsoObject.cs
+++ b/Assets/IsoObject.cs
@@ -9,7 +9,7 @@
 public class IsoObjectEditor : Editor
 {
     private int textureSelected = 0;
-    private List<Texture> textures = new List<Texture>();
+    private List<Material> textures = new List<Material>();
     public override void OnInspectorGUI()
     {
         DrawDefaultInspector();
@@ -22,15 +22,18 @@
             {
                 if (mr.sharedMaterial.shader.name == "Unlit/IsoShader")
                 {
-                    textures.Add(mr.sharedMaterial.GetTexture("_MainTex"));
+                    textures.Add(mr.sharedMaterial);
                 }
             }
 
             textureSelected = EditorGUILayout.Popup(Math.Min(textures.Count, textureSelected), new GUIContent("Select Texture").ToSingle().Concat(textures.Select(t => new GUIContent(t.name))).ToArray());
             if (textureSelected != 0)
             {
+                Material textureMat = textures[textureSelected - 1];
+
                 IsoTextureEditor editor = EditorWindow.GetWindow<IsoTextureEditor>();
-                editor.Init(textures[textureSelected - 1]);
+                Vector4 offset = textureMat.GetVector("_TextureOffset");
+                editor.Init(textureMat.GetTexture("_MainTex"), new Vector2(offset.x, offset.y), textureMat.GetFloat("_PixelsPerUnit"));
                 editor.Show();
                 textureSelected = 0;
             }
diff --git a/Assets/IsoTextureEditor.cs b/Assets/IsoTextureEditor.cs
old mode 100644
new mode 100755
index a5f5037..b282235
--- a/Assets/IsoTextureEditor.cs
+++ b/Assets/IsoTextureEditor.cs
@@ -7,34 +7,44 @@
 
 public class IsoTextureEditor : EditorWindow
 {
-    private Camera cam;
     private Texture texture;
-    private RenderTexture handleTex;
+    private Vector2 textureOffset;
+    private IsoEditor editor;
+    private float pixelsPerUnit;
     private void Awake()
     {
-        cam = EditorUtility.CreateGameObjectWithHideFlags("testCam", HideFlags.HideAndDontSave, typeof(Camera)).GetComponent<Camera>();
-        cam.clearFlags = CameraClearFlags.SolidColor;
-        cam.backgroundColor = new Color(0, 0, 0, 0);
-        cam.cullingMask = 0;
-        cam.orthographic = true;
+
     }
     private void OnDestroy()
     {
-        DestroyImmediate(cam);
     }
-    public void Init(Texture texture)
+    public void Init(Texture texture, Vector2 textureOffset, float pixelsPerUnit)
     {
         this.texture = texture;
         titleContent = new GUIContent(texture.name + ": Iso Boxes");
         minSize = new Vector2(texture.width, texture.height + 30);
-
-        handleTex = new RenderTexture(texture.width, texture.height, 0);
-        cam.targetTexture = handleTex;
-
-        cam.orthographicSize = texture.height * 0.5f;
-        cam.transform.position = new Vector3(texture.width * 0.5f, texture.height * 0.5f, 0);
-        cam.transform.rotation = Quaternion.identity;
+        editor = FindObjectOfType<IsoEditor>();
+        this.textureOffset = textureOffset;
+        this.pixelsPerUnit = pixelsPerUnit;
     }
+
+    private static float ControlPointSize = 6f;
+    private void DrawControlPoint(Color color, Vector2 pos)
+    {
+        EditorGUI.DrawRect(new Rect(pos.x - ControlPointSize * 0.5f, pos.y - ControlPointSize * 0.5f, ControlPointSize, ControlPointSize), color);
+    }
+
+    private void RenderCube(Color color, Vector2 origin, Vector3 size)
+    {
+        DrawControlPoint(color, origin);
+        DrawControlPoint(color, origin + (editor.IsoProject(new Vector3(-size.x, 0,      0)) * pixelsPerUnit).OverY(y => -y));
+        DrawControlPoint(color, origin + (editor.IsoProject(new Vector3(0,       0,      size.z)) * pixelsPerUnit).OverY(y => -y));
+
+        DrawControlPoint(color, origin + (editor.IsoProject(new Vector3(0,       size.y, 0)) * pixelsPerUnit).OverY(y => -y));
+        DrawControlPoint(color, origin + (editor.IsoProject(new Vector3(-size.x, size.y, 0)) * pixelsPerUnit).OverY(y => -y));
+        DrawControlPoint(color, origin + (editor.IsoProject(new Vector3(0,       size.y, size.z)) * pixelsPerUnit).OverY(y => -y));
+    }
+
     private void OnGUI()
     {
         if (texture != null)
@@ -45,9 +55,7 @@
                 
             }
 
-            Handles.SetCamera(cam);
-            Handles.PositionHandle(new Vector3(), Quaternion.identity);
-            Handles.DrawCamera(new Rect(0, 0, texture.width, texture.height), cam);
+            RenderCube(Color.red, -textureOffset, new Vector3(1f, 1.5f, 2.1f));
         }
     }
 }
\ No newline at end of file