The entire enclosure is printed in two halves that are held together by magnets. One half of the enclosure houses a single coin cell battery and a tiny circuit board for holding the LEDs in place ...

At just $750, MakerBot ‘s CupCake CNC rapid prototyping machine— 3D printing with extruded melted ABS plastic—made me think about it.

We continue our 3D printing discovery series by showing you how quick and easy it is to customize the size of pre-designed objects -- without ever going into a 3D design program.