Atom

This is a nice atom (necklace). Printed on a Makerbot rep2. The red parts are a bit taller so you can stop at 85% and change filament for the red finish.
As always, the design is inspired by the first page of google results.

p.s. You might want to scale it up a bit before printing.
If you want to help a brother out check http://facebook.com/free3dcph

Enjoy