This is a remake of http://www.thingiverse.com/thing:139950, since I couldn't get that one to print on my Replicator 2. I used the sine curve from the original model but made new axes and flattened the top and bottom of the curve.
Hacktastic blog: mathgrrl.com/hacktastic
Shapeways geekhaus store: shapeways.com/shops/mathgrrl
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