Objects of Constant Width

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Four of the objects of constant width; a revolved Reuleaux triangle, pentagon, heptagon and a Spheroform with tetrahedral symmetry. When placed under a book and rolled they will keep the book at the same height, and each object will only have two points of contact like a sphere. I printed each shape in two halfs and glued them together with a peg, but I have also included the complete shapes in the STL files.   STL 3-is the revolved Reuleaux triangle STL 5-is the revolved Reuleaux pentagon STL 7-is the revolved Reuleaux heptagon STL Spheroform-is the Spheroform with tetrahedral symmetry   Checkout some of the youtube videos people have made about them: https://www.youtube.com/watch?v=cUCSSJwO3GU https://www.youtube.com/watch?v=fOojOfpcPZM&t=28s Infomation about the Spheroform with tetrahedral symmetry: http://www.xtalgrafix.com/Spheroform2.htm These are not my idea, but I just wanted to have a go at modeling and printing them for myself. Hope you enjoy them as much as I do!      

About the author:
CHRIS-2020
Hi, hope you like the models. If you want to help me out you can checkout my other free models on my printables page, where we get rewarded for reaching download milestones each month:) https://www.printables.com/@CHRIS2020

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