slowmutant wrote:
The square does not occur anywhere in the natural world. Which other shapes are decidedly human in origin?
Aren't humans part of the natural world?
Even leaving aside humans though, let's see...
Various crystalline structures (like salt), plant stems (like mint), snake markings, etc. That's just off the top of my head.
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"In my world it's a place of patterns and feel. In my world it's a haven for what is real. It's my world, nobody can steal it, but people like me, we live in the shadows." -Donna Williams