Third set of optical illusion pictures

Here is another set of small optical illusion and visual perception related images you can link to from your own website / profile page.

Pic #7 of 25(back to thumbnails)

A folding screen version of the Poggendorff illusion ? do the blue edges look aligned? They are.



In case you missed them you can still see the second perception pictures as well as the first set of illusion pictures.

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