3D modeling and printing is the theme of the 17th episode of Make: Live. Teacher Liz Arum gives a demo of Tinkercad, a new browser-based 3D modeling environment. We then talk to her about some of the basics of 3D modeling. Michael Curry show Matt and Becky about more advanced 3D design and the creation the popular Turtle Shell Racers. And MakerBot founder Bre Pettis shows off the latest MakerBot hardware and talks about 3D printing. This episode originally aired on 9/28/2011.