A Brilliant Self-Propelled 3D Printed Robot That Rapidly Writes Letters and Phrases Onto Sand

Sand Writer

Spanish engineer Ivan Miranda has created a brilliant, self-propelled, 3D printed, programmable robot that is able to rapidly write letters and phrases onto sand through negative imprinting.

I finally did a test of the sand drawing robot, it worked beautifully. First time.

Sand Writing on Beach

via Hackaday