Most serious geeks don’t do a lot of printing. We have tablets and phones with us all the time so why waste the paper? 3D Printing, on the other hand, is a whole other ball of plastic. With a 3D Printer like the MakerBot Replicator 2 ($2,199) your geek can take 3D models from the computer and “print” them out as colorful plastic models. What self-respecting geek wouldn’t want to do that?