A LOD sub-object viewing tool

Hi

I made a LOD (leve-of-detail) sub-object viewing tool(wip) for the object creation:
http://blenderartists.org/forum/showthread.php?goto=newpost&t=195601

My original post from past:
http://blenderartists.org/forum/showthread.php?t=63928&highlight=view

The idea is, the user can check the lod-transition functionality already in Blender, no matter of the final target.