This is a mashup of the "2032 button cell holder" (http://www.thingiverse.com/thing:34791) by sphynx on Thingiverse and the "Fractal" community shape script by Petr Broz on Tinkercad.
IMPORTANT: You must print the two pieces separately, using your slicer to get the tall fractal part to print as a one-layer shell with base but no roof. Details for how to do this with MakerWare are at the link below.
Featured on Day 5 of MakerHome: http://makerhome.blogspot.com/2013/08/day-5-fractal-led.html
Hacktastic blog: mathgrrl.com/hacktastic
Shapeways geekhaus store: shapeways.com/shops/mathgrrl
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