Mathematician Richard Kershner discovered this pentagonal tiling in 1968. Nearly 50 years later you can now 3D print it as a bracelet for some serious geek bling.

This model 3D prints as a flat strip. Get a mug of very hot water and use it to heat and bend the bracelet to fit your wrist. It's easy!

Regular and small sizes are included for download.

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Kershner Polygon Thermaform Bracelet by mathgrrl is licensed under the Creative Commons - Attribution - Non-Commercial license.