The high school where I taught about 5 years ago had a 3-D printer in their CAD/CAM lab. Pretty rudimentary, but it gave the kids the experience of programming the machine and seeing the parts produced.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!