MakerBot introduced not one, but three new models of their Replicator desktop 3D printer at CES. Will chats with MakerBot's CEO Bre Pettis in a lively conversation about what's different about these new printers, why they're easier to use, how far 3D printing has come since the last CES.

Curious about 3D printing? Watch our explanation and discussion of how home 3D printers work here: http://www.youtube.com/watch?v=hTCIlO0oLP8