Back in the 1970's the high school where my father taught auto mechanics had an EDM. One of the projects the machine shop students did was cutting a 5-pointed star through a piece of 1/2" plate. Pretty impressive!
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!