Forms of Balance

symmetrical balance

http://areyes3d.blogspot.com/2011/04/elements-of-design-styrofoam-studies.html

Alex Reyes

radial balance 

http://www.deviantart.com/morelikethis/364230462/traditional?view_mode=2#skins

asymmetrical balance

http://mathtourist.blogspot.com/2010_07_01_archive.html

I. Peterson