Mark Thorson wrote:
> What material and thickness is used for making plastic
> chocolate molds? They appear to be vacuum formed from
> sheet. Are there any special requirements for the
> vacuum forming machine (above the usual considerations
> for a vacuum formed product)? Any recommendations
> for a good machine to use for low volume production?

If you are talking about the typical cheap bendy ones, I'd say don't bother.
They are too hard to work with. The professional rigid molds appear to be
liquid plastic poured into a mold.