This tutorial on how to cast metal parts from 3D printed silicone molds is a perfect example of how useful a 3D printer can be when you are looking to make a custom and durable metal part at home.

If you’re looking for something a little more affordable, it’s possible to convert a MIG welder into a rudimentary metal 3D printer instead.

While 3D printers using liquid metal already exist, previous technologies were limited by their slow pace. Specialists from MIT have developed a new method that overcomes these limitations ...