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Day 194 – Pentagonal Hexecontahedron

Day 194 – Pentagonal Hexecontahedron 150 150 mathgrrl

For the next week or two we will be modeling and printing wireframe models of various exotic polyhedra. On Day 192 we developed a method for doing this using Mathematica,…

Day 193 – Friday Fail, angel hair edition

Day 193 – Friday Fail, angel hair edition 150 150 mathgrrl

It’s Friday! Also, this: I was trying to make a smaller version of owens’ Sierpinski tetrahedron model from Day 189, but stupidity got in the way. Specifically, I started the print…

Day 192 – Mesh-testing a Gyroelongated Pentagonal Bicupola

Day 192 – Mesh-testing a Gyroelongated Pentagonal Bicupola 150 150 mathgrrl

Inspired by the many sets of polyhedral models on Thingiverse (for example pmoews’ Archimedean Solids, Johnson Polyhedra, and Catalan Solids, and pdragy’s Customizable Convex Polyhedra), today we experimented with ways to…

Day 191 – Filament bracelet

Day 191 – Filament bracelet 150 150 mathgrrl

Today we made something very simple: a small, thin rounded tube for turning a scrap of filament into a simple bracelet. Despite how simple this is, it took over a…

Day 190 – One hundred triangle-squares

Day 190 – One hundred triangle-squares 150 150 mathgrrl

In bulk printing mode again. Over the past few days we have printed 100 of the Hinged Triangle-Square models from Day 189, for a giveaway at an upcoming conference. Many…

Day 189 – Sierpinski tetrahedron

Day 189 – Sierpinski tetrahedron 150 150 mathgrrl

Today an amazing thing happened. It became possible to print a Sierpinski tetrahedron without internal supports on a desktop filament-based 3D printer. Not a fancy laser sintering powder printer that…

Day 188 – Hinged Triangle-Square

Day 188 – Hinged Triangle-Square 150 150 mathgrrl

Today we printed the famous hinged dissection called the Haberdasher’s Puzzle from Henry Dudeney, who found a way to cut an equilateral triangle into four pieces that reassemble into a square.…

Day 187 – Spirograph

Day 187 – Spirograph 150 150 mathgrrl

Thank you so much, Hercemer, for making a 41 Piece Spirograph collection available on Thingiverse! Thingiverse link: http://www.thingiverse.com/make:68162 Settings: MakerWare .3mm/low on a Replicator 2, but my build platform is still a…

Day 186 – Friday Fail

Day 186 – Friday Fail 150 150 mathgrrl

One thing I love about 3D printing is that it teaches you how to deal with failure. Lots and lots of failure. Every design I make ends with a pretty…

Day 185 – Wishbone

Day 185 – Wishbone 150 150 mathgrrl

Easy mashup time: Today we printed SimplusDesign’s Wishbone Cookie Cutter Set on Thingiverse and Eckerput’s Rolling Pin Spacer on Thingiverse so we can make some cookies! Also, a bonus: The rolling pin…

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