On the top of my list of most frequently asked questions is "Where can I find knitting patterns for easy cardigans and pullovers?" Until now, I've never had a good answer. It's easy to find sweaters ...

3D printing is great if you need to create something made of plastic or even metal or ceramic out of thin air. But what if you want something fuzzier and warmer? Something, like say, a hand-knit scarf ...