A couple of side projects I've been working on..
One is a hotwire foam cutter. I think this works well enough that I may be able to put an attachment on my CNC machine when it's finished.
A bad video from Youtoob!
http://www.youtube.com/watch?v=izXCIk-_lwMSecond project is a Vacuum Chamber to de-gas RTV silcone for making molds to do wax patterns for Lost Wax Casting in Aluminum and Brass.
I got enough Vacuum to boil water at room temp.