Knitting in four dimensions makes objects that can move, including a rabbit that cuddles, a jumper with moving arms, and a shape-changing lampshade
Source:
https://www.newscientist.com/article/2201960-4d-knitting-makes-rabbits-that-cuddle-and-lampshades-that-move/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home