When I give talks about 3D printing and knot theory, I often tell the story of my student Olivia who created and printed a 3D model of the Borromean rings…
C’s classroom Valentine’s celebration was cancelled last week due to snow, and rescheduled for today. Stranded at home for a couple of days with no car and no Valentine’s candy…
Today we printed a small handful of polyhedra that represent crystal mineral models for geologist Amy Thompson at Bridgewater College. We used nischi’s Crystal Structures Models on Thingiverse to start;…
I don’t have a NYC Metro Card, but I hope to in the future. When I do, dadhoc’s Slim Wallet with Metro Card Sliding Compartment on Thingiverse is where I want…
In a couple of days I’ll be speaking at the Carriage House, the headquarters of the Mathematical Association of America. Since the MAA’s logo is an icosahedron, I’ll be bringing…
Thank you, tart2000, for making this lovely LEGO Ring on Thingiverse. My son had a great time adding the bling! Thingiverse link: http://www.thingiverse.com/make:65858 Settings: MakerWare .3mm/low on a Replicator 2, with…
Happy Valentine’s Day! In celebration, today we made a Möbius strip in the shape of a heart. The OpenSCAD code was kindly provided by kitwallace. From the side you can…
The Menger slices from Day 169 and Day 170 each divided the cube into two identical pieces. Today we make a a slice parallel to the Starmaker from the first…
Lots of people know what the inside of a sliced Menger cube looks like, at least the way we sliced it yesterday. But there are infinitely many ways to slice…
Today we made a white stand and slice illustrator to accompany the diagonally sliced Level 2 Menger sponge we printed on Day 155. Don’t look at the second picture until you…