[CAD_CAM_EDM_DRO] home brew rapid prototype machines

> [Are you sure it's pure copper that's being used here, or is it some
> kind of (much) lower-melting alloy? The oven would have to get
> awfully hot for copper to work this way- and it would likely oxidize
> before it did, unless it's in a vacuum oven.]

I remember it as "copper", with no indication about alloy. I will
recheck the literature next week when I get back in town.

Brian