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Spirotica

This is an older one, but I wanted to take it out for another spin - here's my model of the old Spirograph toy. Nothing but the beauty of trig functions. [Fullscreen/Download]


(Sorry if you don't have Flash.) 
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  1. MathematiciousFebruary 11, 2009 at 5:18 PM

    This is delicious.

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  2. 10-Minute Math » Paint can cardioidsSeptember 25, 2010 at 3:03 AM

    [...] set (what my students have sometimes called “the butt crack,” but also noticed it in my Spirograph program, where a family of graphs can be generated that seem similar to the paint can cardioids (or [...]

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