Website: thingiverse
Author: Nalio
Price: Free Download
File format: .Stl 3d printable
Description:
Revolution turns your bike wheel into a rolling stamp. The stamps are 3D printed letters to clip on your wheel with a cable tie. Push the inking roll against the wheel to ink the letters and leave your message on the pavement. You can easily customize and 3D print all the parts you need.All the instructions: http://streettoolbox