http://www.stariel.com/articles-2/joyful-change/joyful-change-two/ Spiral Pattern This pattern starts at a central point and goes around and around and around.
Ringed Pattern This is any pattern that is made of circles. arvard.edu/icb/icb.do?keyword=k16940&panel=icb.pagecontent221645%3Ar%241%3Fname%3Dindepth.html&pageid=icb.page93273&pageContentId=icb.pagecontent221645&state=m http://sciencedemonstrations.fas.haximize
Natural Pattern http://www.patternsinnature.org/Book/WhyStudyPatterns.html This pattern is found in nature. This pattern is rarely exact.