“Senseless Drawing Bot,” as it’s formally called by its creators, So Kanno and Takahiro Yamaguchi, is “a self-propelling device on a skateboard that sprays abstract linework on a stretch of wall using a double pendulum.”
See a Robot on a Skateboard Spray Graffiti ArtncG1vNJzZmivp6x7t8HLrayrnV6YvK57kWloamdhZnyzu8Goq5irm5bBpq7Omqmdl5enrqeyyK2gZ6Ckork%3D