Three-Sided Cylinder Coin

thingiverse

These "fat coins" can land on their edges as well as their faces. Try out different thickness-to-diameter ratios and search for the fairest three-sided cylinder coin! These cylinder coins were made for students and classrooms to print and experiment with after watching Matt Parker's video [How thick is a three-sided coin](https://www.youtube.com/watch?v=-qqPKKOU-yY)? Ways to get these coins: * [Download ready-to-print models](https://www.thingiverse.com/thing:2763744/#files) 20mm-diameter coins with popular ratios; * [Customize your own coin sets](https://www.thingiverse.com/apps/customizer/run?thing_id=2763744) and choose your own coin diameter, popular ratios, or custom ratios; * [Download the OpenSCAD code](https://www.thingiverse.com/thing:2763744/#files) from the Thing Files and play with the code on your own computer to make any kind of coin you like; * [Modify the models in Tinkercad](https://www.tinkercad.com/things/6y2VqcARcHf-three-sided-cylinder-coin/editv2) and experiment with other ratios or even other shapes; or * [Purchase 3D printed sets of coins from our Shapeways shop](https://www.shapeways.com/shops/mathgrrl?section=Education&s=0), if you don't have access to a 3D printer. Happy flipping! ===== #####Twitter: [twitter.com/mathgrrl](https://twitter.com/mathgrrl) #####Hacktastic blog: [www.mathgrrl.com/hacktastic](http://www.mathgrrl.com/hacktastic) #####Shapeways geekhaus store: [www.shapeways.com/shops/mathgrrl](https://www.shapeways.com/shops/mathgrrl) *This design and all associated pictures and files are licensed under the [Creative Commons Attribution Non-Commercial Share Alike](https://creativecommons.org/licenses/by-nc-sa/2.5/) license. If you want to use designs, images, or files outside of the terms of this license, please email <request@mathgrrl.com>.*