NeoPixel Assisted String Art Weaving
One interesting form of string art starts from a circular or square canvas with nails on its perimeter. The strings/yarns are only wound around nails on the perimeter. The repeated straight lines can sketch out a portrait nicely(link to Petros Vrellis).
Here are bunch of other examples on Hackaday.
This is a cool algorithm implemented in Processing language (github link). Basically, you input an image, the program will output a list of sequential nail locations that the string…