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 ...

BERLIN (Reuters) - Adidas has been testing a store where shoppers can design a sweater, have a body scan to determine fit and get it knitted by a state-of-the-art machine within hours, as the German ...