If u see it tilted towards the bottom, try to look at it from bottom to up, and if u see it bottom to up try to see from the top to bottom (idk if that makes sense but thats how i find i can see them, tho ur brain quickly adjusts to the “default” whichever u saw at first), also blink..

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[–] 9 points 11 months ago

I couldn't find an example on line. Every search I tried failed miserably. So I drew one with 4 circles.

4 circle multi directional tube.

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