I’ve been wondering at this ever since the meme has been circulating. People make a printer that shoots glue, layer upon layer and thus it can print 3d objects.
But saying such 3d printers will replace factories and manufacturing is very clearly wrong. Take a look at almost anything you’re using or wearing right now. It’s a mishmash of materials gathered from various sources all around the world. Yet the 3d printers can only make single material objects, usually of some hardened glue. The rest has to be added later. (more…)