mathgrrl

I love to root for the underdog: David vs Goliath, Buffy vs the entire Hellmouth, the Baudelaire twins against Count Olaf and his evil theatre troupe. Today the role of the underdog…

At this year’s Gathering for Gardner Conference (G4G11) I gave a short talk about 3D printing sliced Menger sponges. So that people could look at the sliced models and guess…

Today is our largest Catalan print so far, with a diameter of over 120 millimeters – about the size of a very large grapefruit. One cool thing about this model is…

Yes, we seem to have fallen behind again. We can talk more about that on some “Friday.” For now we’ll catch up with the rest of our Catalan prints and…

This Catalan solid is the Rhombic Triacontahedron, the dual of the Icosidodecahedron (which we’ve already printed twice before as a snap-together model, in Day 89 and Day 117). Thingiverse link: http://www.thingiverse.com/thing:274427 Settings: .3mm/low…

New fact of the day: If you add a pyramid to each face of an octahedron, then you are taking its “Kleetope.” A cool new word for me, leading to…

Today’s post is contributed by Bill Owens, also known as owens on Thingiverse. He is the creator of the Customizable Menger Sponge and Customizable Sierpinski Tetrix models that cleverly print…

For the last week I’ve been printing whatever polyhedra appeal to me, and today I realized that everything I’ve printed is a Catalan solid. Today is the fifth, the Triakis…