Making Rainbows

videohttp://www.thedonutproject.com/wp-content/uploads/2011/02/robo-rainbow_2.jpg

Just a few things I liked about this design. 1. The battery powered drill that moves the arm. 2. The actuated spray mechanism with an over spray guard. 3. The bike trailer 4. The fact that he stays inside the rainbow during production 5. He's got the colors of the rainbow right!