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That's definitely a thing. The knitting world has been pixelating stuff forever and there have been knitting machines with everything from floppy disk interface

• Symbiote 7y ago
  My mother had a knitting machine interfaced with a BBC Model B over a serial connection. It had four colours of wool, and the knitting area was about a metre wide. It was like this (video), but the program in the machine would automatically raise and lower the needles according to the wool colour required for each line. The result is the first computer program I ever used, age 2 or so, was the knitting pattern editor. I think it was the simplest drawing/colouring program, since you just had a large grid with 4 colours. https://www.youtube.com/watch?v=1aEzZ6TdpcQ https://www.youtube.com/watch?v=1aEzZ6TdpcQ (I think this is a cheaper machine. My mum's could change the wool colour automatically: it would beep when this was required, and you dragged the thing (shuttle?) to the far side, where some mechanical clicking would happen and the wool in use would be swapped.)