*I've seen a lot of one-off graffiti robots, but I'm liking the aesthetic on that one. Elegant choice of music, too. Hope the humorless music authorities don't make a fuss.
https://youtu.be/5YbcwAlJzvI
https://hackaday.com/2018/07/04/spraychalk-anoints-your-sidewalks-with-precision-sandprints/
