More hot wire foam cutting madness! Posted by CanuckAmok on Aug 26, 2009
Perhaps I have a fetish for hot wires, but I found yet another amazing DIY foam cutting project to try. This one is very work intensive, but the results should be near-perfection.

CNC stands for "computer numerical control," which is nerd-speak for a machine that is controlled by a computer and can cut precise shapes out of materials (in our case, foam). This 5-part tutorial shows you how to put together a hot wire CNC device that produces 3-D foam things! All out of parts from Home Depot!

Imagine the possibilities!! Pop in a template, and BOOM, perfect pieces for a puppet head, ready for assembly. Ooh, I'm drooling already. This beats the foam-cutting nunchuks any day.

Link: http://www.8linx.com/cnc/cnc.htm
Re: More hot wire foam cutting madness! Posted by OttoVonGlumm on Aug 27, 2009
Ha ha That's awesome canuck.....but beware,  the operator of the holz her CNC machining station in the wood shop worked with the thing for 5+ years and still had a hard time getting perfect pieces and that machine cost over $100,000!  What kinda software does this thing run off?

What ever happened with the foam-chucks any way?
Re: More hot wire foam cutting madness! Posted by CanuckAmok on Aug 27, 2009
I'm not sure what software is used, but seeing as I'm not very skilled in electronics, I'm thinking of a hybrid nunchuks-CNC device (an HNC - human numerical control?). With the nunchuks, I foresaw a problem with keeping the wire tight while I manoeuvered both my arms. The armature of the CNC machine is clever with the x-axis and y-axis moving independently, so if I rig up the nunchuks to that contraption I should be able to get pretty good control. In theory.

I'm still waiting for the wife to turn her back so I can steal the heating element out of her hair dryer. Then there'll be no stopping me!! Mwahahahahaaa...
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