Since it crowdfunded on Kickstarter back in 2013, 3Doodler has come out with multiple versions of its 3D-printing pen -- including a kids version and a pro version-- as well as themed kits focusing on ...

This article was taken from the September 2013 issue of Wired magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on loads of additional content ...

A prism is a 3D shape which has a constant cross section - both ends of the solid are the same shape and anywhere you cut parallel to these ends will give you the same shape. For example, in the prism ...