> images come out great as long as you specify your walking speed in the app Very cool. This reminded me of the bike-mounted dot-matrix printer. Similar concep

> images come out great as long as you specify your walking speed in the app Very cool. This reminded me of the bike-mounted dot-matrix printer. Similar concept: light vs ink. https://www.wired.com/2004/08/cops-put-brakes-on-bike-protest/ https://www.wired.com/2004/08/cops-put-brakes-on-bike-protes...