The robot — aptly called “Beachbot” — works by dragging a set of pins through the sand, sort of like a rake. Each pin is individually raisable, allowing the bot to draw lines of varying thicknesses. More pins down = thicker lines drawn.
The robot — aptly called “Beachbot” — works by dragging a set of pins through the sand, sort of like a rake. Each pin is individually raisable, allowing the bot to draw lines of varying thicknesses. More pins down = thicker lines drawn.