In this video Bill explains some of the engineering principles underlying the design of a DLP (digital light processing) 3D Printer. The printer featured is an Ember printer, manufactured originally by Autodesk, but now an open source project. Learn more about ember: http://ember.autodesk.com/. Support Bill's work by becoming an advanced viewer: http://www.engineerguy.com/support. Videos linked to in at the end of the video: Micromirrors https://www.youtube.com/watch?v=9nb8mM3uEIc https://www.youtube.com/watch?v=N4aUU3-PKQ4 Ember Details https://www.youtube.com/watch?v=L2rQvxC6gX4 Overview of 3D Printing https://www.youtube.com/watch?v=G0EJmBoLq-g Element 14 video: https://www.youtube.com/watch?v=bZ-i67VoBQo