It's actually really easy and fun to make your own hyperbolic planes using crochet. I had many requests for these after the release of Hyperbolica, so here's a proper tutorial for them. Crochet Simulator: https://codeparade.itch.io/crochet-simulator Perfect Sphere Pattern: http://avtanski.net/projects/crochet/ Cthulhu Pattern: https://www.supergurumi.com/amigurumi-cthulhu-crochet-pattern Daina Taimina: https://pi.math.cornell.edu/~dtaimina/ Wishlist 4D Golf: https://store.steampowered.com/app/2147950 Support me and innovative projects like these! Patreon: https://www.patreon.com/codeparade Ko-fi: https://ko-fi.com/codeparade Merch: https://crowdmade.com/collections/codeparade Music (CC BY 4.0): Lundstroem - The happpy en garde Lundstroem - In the middle of the day https://freemusicarchive.org/music/lundstroem/happy-kid-friendly-songs