3D Sidewalk Art

Check out the two pictures at the bottom of the page - the woman in the pool. That give you some idea of what the artist has to go through to produce these drawings.

Addendum...I forwarded that link to the Industrial Design and Mechanical Engineering departments at work, and they came up with a few more similar links:

http://users.skynet.be/J.Beever/pave.htm

http://www.kurtwenner.com/street/