A Plurality of Polyhedra

A little over a year ago (February, 2015) I was contacted by Los Angles artist Clare Graham about making some models. He had become interested in the illustrations of polyhedra in the 1509 book De Divina Proportione, by Luca Pacioli. What’s significant about these  illustrations is that they were done from woodcuts by Leonardo da

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Apollonian Gaskets with Grasshopper

My son and I were recently watching Vi Hart’s wonderful “Doodling in Math Class” Video on Infinity Elephants. Around 1:30 in the video she starts talking about how to draw an Apollonian Gasket in a triangle: This got me wondering about how to code this object. It’s not a new challenge. Lot’s of people have done

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