https://www.quantamagazine.org/a-math-theory-for-why-people-hallucinate-20180730/
Druggos please confirm whether or not youve see them. 
The paper is called What Geometric Visual Hallucinations Tell Us about the Visual Cortex.
Your brain does secret coordinate transforms it turns out
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Bottom left of your second pic is one ive seen before. The rest ive seen are much more complex than this simplistic garbage. The fact that none are asymmetrical is also telling some nerd who has never even had a sip of booze wrote this garbage.
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second pic is the coordinate transformation from retinal cells to visual cortex cells. The patterns are form constants which are reported by people hallucinating
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Just goes to show that most people who take drugs or are schizos just have no creativity, unlike me
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zoz
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zle
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zozzle
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