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Fractal Pyramid with Continuous Cross-section by ricktu Feb 20, 2016
Math Spinner Enhanced (fast print, no support) by pauloblank Sep 5, 2014

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Math Spinner Toy by christinachun Nov 16, 2013

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Five screw-puzzles by George Hart by GeorgeHart Nov 18, 2013

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Pythagorean Theorem by mshscott Feb 9, 2014

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Cryptography: Sending Secret Messages by ereiser Aug 6, 2016

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Math Gear(s) by WorksBySolo Nov 18, 2013

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Tessellation Escher Project by SteedMaker Feb 5, 2016

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Solids of Constant Width by WClampitt1 May 17, 2017
Object of Constant Width by WClampitt1 May 15, 2017
Asymmetric Balanced Fidget Spinner: Penny, Nickel, Quarter by ehughes100 5 days ago
Solid object of constant width Reuleaux Triangle Volume of revolution by Intentional3D Nov 30, 2013
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