A Star Trek episode created on a Commodore 64 using the machine’s built-in character graphics by James Gaither in 1986.
The soundtrack was added to a recorded videotape.
Watch the full video here
The C64 however, was capable of automating the entire knitting process thanks to a system called CAPS (made by Empisal in Germany).
The setup consisted of the C64 (of course!), an Empisal 550/560 knitting machine and the CAPS interface. The process of knitting your favorite jumper consisted of designing a series of patterns on the C64 which you could then save to disk and combine with other patterns to create a larger image. Source