Μια ενδιαφέρουσα ιστοσελίδα...

Symmetry, tesselations and patterns!
http://britton.disted.camosun.bc.ca/jbsymteslk.htm#TOP

Golden Rectangle!!
http://britton.disted.camosun.bc.ca/goldengeom/goldengeom.html

Golden Triangle
http://britton.disted.camosun.bc.ca/goldengeom/goldengeom4.html

Penrose Tillings!
http://britton.disted.camosun.bc.ca/goldengeom/goldenpenrose.html

Pattern Generator!
http://www.shodor.org/interactivate/activities/PatternGenerator/?jv=1.5.0_08&jb=MSIE

M.C.Escher -official website-
http://www.mcescher.com/indexuk.htm
Escher's work - patterns and tessellations
http://www.mathacademy.com/pr/minitext/escher/

Patterning
http://www.montessoriworld.org/Handwork/pattern/pattern.html

Some More Patterns...
http://www.peda.com/tess/

People Patterns
http://www.learner.org/teacherslab/math/patterns/people/