Crocheting Adventures with Hyperbolic Planes
This book simply fascinates me, but no, I don’t still don’t crochet. It’s a great way to start to get a grip on hyperbolic geometry. My wife, Rose, found this book and bought it, and I honestly didn’t know such a thing existed! Simply incredible shapes and forms that you would not generally associate with any kind of yarn-based craft.
If you’d like to explore more, here is an interview with this book’s author.