http://arstechnica.com/science/2014/02/after-400-years-mathematicians-find-a-new-class-of-shapes
There are various reoccurring shapes & patterns that are found throughout nature & the cosmos.
http://www.nytimes.com/2014/02/09/magazine/who-made-that-planetarium.html?action=click&contentCollection=Space%20%26%20Cosmos®ion=Footer&module=MoreInSection&pgtype=article