I designed a bolt with a Reuleaux triangle shaft that turns inside a square nut.
It’s a strange bit of geometry that actually works—thanks to the constant-width shape.

https://www.printables.com/model/1278549-impossible-reuleaux-triangle-bolt-with-square-nut

#3DPrinting #ReuleauxTriangle #WeirdMechanisms #Geometry

Impossible Reuleaux Triangle Bolt with Square Nut & Clicker Mechanism by orangebird | Download free STL model | Printables.com

Features a Reuleaux triangle-shaped bolt with a smoothly threading square nut and a satisfying clicker mechanism | Download free 3D printable STL models

Printables.com

This shape of window in John Honeyman's 1864 Trinity Congregational Church on Clairmont Street in Glasgow is known as a Reuleaux Triangle. Basically it's a triangle with curved sides and it has some interesting properties, one of which is that drill bits with this shape can be used to create square holes!

#glasgow #architecture #window #gothicarchitecture #glasgowbuildings #reuleauxtriangle

Tesla Cybertruck windshield wiper leaves a lot of the window dirty

In the past, Tesla CEO Elon Musk has said there's "no easy solution" to the electric pickup truck's massive windshield.

Insider