Shibbibilybob wrote:
My big hope is for a 3d printer that can, on instruction, print a 3d printer.
Nonononono! NO! >☹ I've seen that movie! Then pretty soon it gets magic AI and starts making unstoppable robot army makers and before you know it a dude has to time-travel back in time to protect the mother of the saviour of the human race, which happens to be his son.