More links & stuff in full description below ↓↓↓
Skew dice: https://youtu.be/uAnCL3vhVIs
Check Henry’s book about 3D printing math: http://amzn.to/2cWhY3R
Prime Numbers Playlist: http://bit.ly/primevids
Prime Machine: https://youtu.be/8UqCyepX3AI
You can buy the gears from Henry at Shapeways: http://bit.ly/HenryGears
Support us on Patreon: http://www.patreon.com/numberphile
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