A plotter counts as bot?
Nice, saw that!
Reminds me of the MAKE drawbot several years ago. In its final, inexorable decline, Radio Shack has free pamphlets in-store to make these. I really liked the stippling method as well as the novel use of an audio player to drive the servos. https://makezine.com/projects/trs-drawbot-2/
Reminds me of the MAKE drawbot several years ago.
@yeti - if it has it's own brains, starts to be, I guess.