Weird But Fair Dice (plus the D120)
Extra footage at Numberphile2: https://youtu.be/pCCtcqyazOE
Check Henry's book about 3D printing math: http://amzn.to/2cWhY3R
More about dice designs: http://bit.ly/AboutDice
Buy these dice and others at: http://bit.ly/DiceLabDice
Some dice are also available from our UK friends at Maths Gear: http://bit.ly/MathsGearDice
Numberphile2: http://bit.ly/Numberphile2