Seems like it would be pretty handy and not to hard to do. Lots of simple ways to deal with wire feeding. Could save lots of time and labor cost.
Anybody tried it?
Free DXF Files - myDXF.blogspot.com
Yep I've done it.
Really puts your torch and brand of wire to the test regarding feedability etc.
My little site on MIG welding http://www.learn-how-to-weld.com/mig-welding/