9 Incredible Objects That Prove 3D Printers Are Totally Worth it

If you've got a 3D printer and a little bit of imagination, you can make pretty much anything. While these machines are still too expensive to be completely ubiquitous, early adopters are making some really amazing things. We got a look at a few of these objects at the 3D Printing Expo in New York this week. Here are the most unbelievable things we saw. More