3D Printing
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Day 192 – Mesh-testing a Gyroelongated Pentagonal Bicupola
Day 192 – Mesh-testing a Gyroelongated Pentagonal Bicupola 640 480 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…
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Day 191 – Filament bracelet
Day 191 – Filament bracelet 640 480 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…
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Day 190 – One hundred triangle-squares
Day 190 – One hundred triangle-squares 640 480 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…
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Day 189 – Sierpinski tetrahedron
Day 189 – Sierpinski tetrahedron 640 480 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…
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Day 188 – Hinged Triangle-Square
Day 188 – Hinged Triangle-Square 839 628 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.…
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Day 187 – Spirograph
Day 187 – Spirograph 640 480 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…
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Day 186 – Friday Fail
Day 186 – Friday Fail 640 480 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…
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Day 185 – Wishbone
Day 185 – Wishbone 640 480 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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Day 184 – Mystery pyramids
Day 184 – Mystery pyramids 640 480 mathgrrl

Today we made a lot of little pyramids and a box. Why? Can’t tell you that right now, it’s for a friend and we’ll follow up later on this year…
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Day 183 – Hiroshima University
Day 183 – Hiroshima University 640 480 mathgrrl

To celebrate today’s visit to the JMU 3-SPACE classroom from a group of students from Hiroshima University, we them made a nameplate logo design in Tinkercad. STL file: http://www.geekhaus.com/makerhome/day183_hiroshimauniversity.stl Tinkercad link: https://tinkercad.com/things/ehiCNeXkArt-day-183-hiroshima-university-logo-nameplate Thingiverse link: http://www.thingiverse.com/thing:259145 Settings:…

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