kinetic like http://soule23.tumblr.com/

 

--- sculpture http://en.wikipedia.org/wiki/Starr\_Kempf http://www.starrgideonkempf.com/

Gyula Kosice

http://www.julioleparc.org/en/artwork.php?pageNum\_artworks=2&totalRows\_artworks=32&aw\_cat\_id=2

http://radicalart.info/kinetics/RigidBodies.html

http://whitakerstudio.com/artwork.html