This Lego Printer May Not Be Practical But It Is Fun To Watch 691 John Siegel 06/02/10 01:23PM Filed to: WoW WoW Lego TV Video Legos have used programmable robotics in their Mindstorms sets for years, but one enterprising builder built and coded this printer from scratch using Legos, a felt-tip pen, and old-fashioned ingenuity. [via YouTube]