Stool that turns welded props into a working model with a skin?

I have no idea if this is possible, but is there any way a lua coder could make a stool that turns welded props into a model skinned?

There is one addon doing almost so, PAC made by CapsAdmin.
You may completely hide your body and set a layer of props over it.
http://www.facepunch.com/showthread.php?t=887940

Do you know how advanced that is? That would take ages to look through to find the code which lets merge props together into one solid body.

^
Listen to him. You will never achieve this alone, let alone in the fp request section.

I believe this has just been done. Just without the skin change thing: http://www.facepunch.com/showthread.php?t=950817