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Pinna Diamond Optical Illusion

Baingio Pinna has created motion illusions with diamonds that have white and dark borders. Here we show a Pinna diamond with the luminance of its center modulating in time. Click on the chain and polygon buttons to see the effect of arranging the diamonds as elements in more complex displays.

What to notice: The diamond appears to shift position in synchrony with the modulation. The chain and polygon variations of the illusion are so dramatic that it is easy to forget that the lines never change their position on the screen.

Click on the red buttons to change the effects.

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