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The 4D Geometry Viewer is a web app developed at St. Olaf College to teach an undergraduate class on 4 dimensional geometry. It is built with Threejs.

You can see the live app running here. It is currently a work in progress.

If you just want to see how it works, check out our Usage guide for details on what it can (and cannot) do.

If you're interested in learning how it all works, check out our Developer Docs. We welcome any contributions! If you end up using it to teach a class or visualize something interesting, we'd love to hear about it. Feel free to get in touch with Professor Paul Humke (humke@stolaf.edu)