Pin by Nate Christensen on Calming | Sand drawing, Drawing machine, Think geek
SandScript - Automatic Sand Drawing Machine | The Green Head
A drawing machine by David Shingler. The stylus reacts to the sound of the bird chirping. #drawing #drawingmachine | Drawing machine, Bird drawings, Mechanical art
Bruce Shapiro's Mesmerizing Kinetic Sand Drawing Machines — Colossal