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Knots Made Easy

Watch knots tie themselves on a physics-simulated 3D rope

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EducationOpen Source

Knots Made Easy shows how to tie knots on a 3D rope that is simulated, not animated: invisible guides pull a few points and physics handles the sag, friction and cinching. Turn the view, pause, slow it down or drag through the steps. Nine knots so far, from the overhand and bowline to the zeppelin bend and daisy chain, each with what it's for and what to watch out for. Free in the browser, no sign-up. Built with React and three.js; the code is on GitHub, but without a license file yet.