Buying a 3D printer is exciting, but you'll need projects and models to make it all work. These free sites offer a huge range ...

For the last six months, Cody Wilson and his non-profit group Defense Distributed have worked towards a controversial goal: To make as many firearm components as possible into 3D-printable, ...

A 3D printer turns digital designs into physical objects using a variety of substances, from plastic to ceramic to something that kind of looks like wood. Before you even touch a printer, you'll need ...

3D printers are affordable enough that almost anyone can buy one, but should you? Before you dive in, here's what to consider—about materials, possible uses, software, and much more. Since 2004, I ...