Bre Pettis and MakerBot 3D printer at TED2012

[Video Link] I'm here at TED2012! Here's a short interview with Bre Pettis, co-founder of MakerBot Industries. He shares news about the new Replicator 3D printer, and the printing of an old school mechanical clock with an escapement mechanism. (I called it a "catchment mechanism" in the video — oops.")