Mataerial is an anti-gravity 3D printer

When you think of 3D printers, chances are you think of a cube-like desktop device. Mataerial, the brainchild of Petr Novikov and Saša Jokić, more closely resembles part of an automotive assembly line than a 3D printer.  This printer does not have a dedicated build surface but, rather, uses a robotic arm with attached printing heads to create products on virtually any surface, independently of its inclination and smoothness, and without a need of additional support structures.

Read more from DVICE (May 22, 2013)