....
available in 2D versions for engraving work and a few 3D versions for
small cavity and relief work, mostly for making coining dies. The 2D types
were all mechanical. I don't recall how the 3D ones were set up, as I
haven't seen one for 30 years. Deckel made some really fine ones. These
may still
....

I'm still kicking myself, I stood by at an auction and watched a 3D
pantograph go for $400 with a very complete set of tooling. Commercial guys
won't bid on one.

Karl