Flower or circle? Optical illusion
thingiverse
Is it a flower-shape or a circle? Rotating it or viewing in the mirror shows something else! Based on math by Kokichi Sugihara, but the shape is unique, made by me. Best viewed at 45 degrees angle. Includes a rotatable figure+support. My other illusions: https://www.thingiverse.com/Matsemann/collections/matsemanns-ambiguous-cylinders The code & stuff: https://github.com/Matsemann/impossible-objects 
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