optical illusion . puzzle

line circle diagram font drawing brand wheel text design organ logo sketch cartoon symmetry pattern document presentation optical illusion vector puzzl puzzle school brain teaser illusion equality diversity black white teaser vertical lines pattern ambiguity anamorphic button college curvature deception depth digital distortion enigma figure geometric geometry horizontal lines icon math mathematics mind mirage monochrome object paradox perception perspective problem psychedelic puzzle rotational school science spatial stripes vector symmetry trickery visual wide landscape wise