Optical Illusions

[JamesGillen]

shits cool

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[zeus]

The chess board with the green cylinder has always been my favourite. I had to print it off and cut the squares out the first time I saw it. Genius!

 

[donkey42]

The chess board with the green cylinder has always been my favourite. I had to print it off and cut the squares out the first time I saw it. Genius!

now that is sad, did you stop the green spotted rollers from moving ?

i couldn't

 

[Swansen]

spotted rollers from moving ?

i couldn't

i could, but what i didn't really agree with was the red triangles and circles, i guess it really depends on how literal you are, but yeah, technically there are no circles and no complete triangle.