These intricate hand-painted mandala stones reveal the cosmic beauty of math

[AndreaJames]

Originally published at: http://boingboing.net/2017/08/19/these-intricate-hand-painted-m.html

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[Schmorgluck]

Mandalabrot would be in awe.

[coherent_light]

Following this now.

[Kii]

very pretty

They look a lot like sea urchin shells. http://www.thefloridalivingmagazine.com/2015/09/27/how-to-clean-and-preserve-sea-urchins/

Edit: Which AndreaJames already pointed out. I scrolled right past that text, too busy looking at the pictures.