RepRap is a cool project, but it's an exaggeration to say that it copies itself. It can make its own plastic parts, but you still need to obtain some metal par

RepRap is a cool project, but it's an exaggeration to say that it copies itself. It can make its own plastic parts, but you still need to obtain some metal parts, a motor, etc, and assemble it. Sort of like a metal shop, which is nothing new.