No exaggeration, I think saddle points are amazing..

I find saddle points (or hyperbolic paraboloids as they’re mathematically known) a deeply pleasing shape. This little hook was developed as part of a large project we’ve been collaborating on. It’s strong and safe as it has no sharp edges.

For more hyperbolic paraboloid and origami joy pop down the rabbit hole that is the website of Erik Demaine

Website link: Erik Demaine