Injection molding is one of the technologies that makes the world go round. But what does it actually look like to go through the whole process to get a part made? [Achim Haug] wrote up a blog post ...

An injection molded, threaded cap made from a 3D-printed metal mold insert, right, created on a Mantle P-200 machine. Within reach of you right now are probably five to 10 plastic products, or parts ...

3D printing is all well and good for prototyping, and it can even produce useful parts. If you want real strenght in plastics, though, or to produce a LOT of parts, you probably want to step up to ...