Here is another set of small optical illusion and visual perception related images you can link to from your own website / profile page.
Pic #14 of 25(back to thumbnails)
A variant on Days sine wave illusion: the bars are all the same height but look shorter where the band climbs steeply.
Previous
Next
In case you missed them you can still see the second perception pictures as well as the first set of illusion pictures.
i dont understand
Me neither