Something beautiful

Illustrations of D'Arcy Wentworth Thompson's mathematical biology of mollusc shells
http://www.ams.org/new-in-math/cover/shell5.html

Manipulate three terms determining shellform
http://members.aol.com/macops/Raup.html

Make biomorphs in the mould of Richard Dawkins' Blind Watchmaker generating program
http://www.permadi.com/java/biomorph/

Radiolaria (plankton spp):