John Berry <berry.joh...@gmail.com> wrote: 3D printers can use metal, glass and various other materials. > Semiconductors can be printed, as can batteries. > > Now I don't think there is any that can do all of these things of course. >
I did not know that! They have made progress. I suppose you could more piecework from one machine to another, with no more difficulty than it takes with ordinary machine tools. I guess the plastic ones I have been following are the ultra-cheap, do-it-yourself models. - Jed
