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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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Day 182 – Voronoi die
Day 182 – Voronoi die 640 480 mathgrrl

Today we printed a copy of sirmakesalot’s clever Bone Die on Thingiverse using our loaner Afinia H-Series: Thingiverse link: http://www.thingiverse.com/make:67307 Settings: Afinia .3mm/low on “fast” with “only base” supports.
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Day 181 – Hexagonal Borromean rings that print without support
Day 181 – Hexagonal Borromean rings that print without support 640 480 mathgrrl

Printing Borromean rings in three pieces minimizes support because the first two pieces need no support at all. In this model we’ve used a hexagonal ring shape with sides beveled…
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Day 180 – Diamond Borromean
Day 180 – Diamond Borromean 640 480 mathgrrl

Same as Day 179 but with diamonds instead of ellipses! This version of the Borromean rings has more limited mobility but that restricted movement makes it naturally sit on your…
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Day 179 – Tricolor Borromean rings
Day 179 – Tricolor Borromean rings 640 480 mathgrrl

Yesterday we mentioned that you could print a three-color model of the Borromean rings by printing the rings separately and placing the first and second in and around the third right…

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