Wed, 19 Jun 2013 05:15:54 GMT Ponoko - All items tagged with hydrogen http://www.ponoko.com/showroom/AaronsDesigns/2361 A geeky little charm suitable for use as a necklace or bracelet pendant, a cell phone charm, or whatever else you can think of. It was designed for wood, but could also be done in acrylic. This particular charm is engraved with the atomic number, symbol, and mass of Hydrogen. You're free to take this design and improve it, and otherwise do what you will with it, so long as you provide proper credit. Sat, 27 Dec 2008 01:46:52 GMT http://www.ponoko.com/showroom/AaronsDesigns/2361?time=Sat+Dec+27+01%3A41%3A31+UTC+2008 AaronsDesigns