Reinhardt Pentagon Thermoform Bracelet

A pentagonal tessellation bracelet that you print, heat, and bend into shape


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Mathematician Karl Reinhardt discovered this pentagonal tiling in 1918. Nearly 100 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!

This bracelet is a lovechild of the Pentomizer ( and the Easy Thermoform Hex Bracelet (

Materials and methods

- STL file for one-size-fits-all bracelet



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52b6c5047d0c185c769ee10ed8619f1b?default=blank&size=40gabes added this to the Jewelry collection ago
59ead832286ea94408b10c2f07f1d7aa?default=blank&size=40MissHelena23 added this to the things to make collection ago
291c6e92781431710f9412582e2e8cc4?default=blank&size=40rapha23f added this to the future print collection ago
Mini firstdragonavatarMatthieu Frambourg added this to the Bijou / Genie creatif collection ago
A2600bcac2de9a2444aa040ac0ee5b2e?default=blank&size=40Mario Ortega added this to the para imprimir collection ago
4746091f5792d7dd0dc0bd7c29eda577?default=blank&size=40João Fortunato added this to the Mixmash collection ago
944b23a8baaa37c33273a7e6ed23d25d?default=blank&size=40samantha botha added this to the bling collection ago
Mini laura creepermathgrrl added this to the Thermoform Bracelets collection ago
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Mini laura creepermathgrrl printed this ago
Carousel thumb p2 reinhardt pose
Printed on:
Makerbot - MakerBot Replicator 2
very each to bend into shape using a mug of hot water