Spirograph Amusement Park Ride

Scrambler ride as drawing machine:

It's a kids dream come true!

From the project description:

I connected a gas generator and air compressor to buckets of paint and secured them into the seats of a Scrambler amusement park ride. Once the ride was in motion, paint sprayed out of the benches onto vinyl tarps placed underneath. The result is a series of enormous hypocycloid designs which recorded the hidden patterns created by the ride as it turned.

a la BoingBoing