Optical Illusion: Are these lines straight or do they bend

The cafe wall optical illusion posted on Twitter challenges people to figure out if the lines are straight or bend at an angle.  | Trending

Mesmerizing optical illusion that fools your brain into creating shapes out of random lines

Optical illusion stock vector. Illustration of brain - 72442052

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Bent Lines Illusion no.2

10 mind-melting optical illusions that will

The Impossible Triangle Optical Illusion: Draw and Build It! - Little Passports

File:Optical-illusion-diamonds.svg - Wikipedia

Vecteur Stock Hering illusion is one of the geometrical-optical illusions. When two straight and parallel lines are presented in front of radial background , the lines appear as if they were bowed

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Are the lines in this brick wall illusion wavy or straight?

Optical Illusions

Optical illusion leaves everyone's brain hurting - but can YOU figure out what's going on?

Shane L. Larson on X: Twitterverse! I need some help. There are many examples of straight lines look curvedoptical illusions, like the checkerboard illusion shown here (yes, those are straight lines). Is

Amazing pictures,Optical illusions,etc - Art

These columns are straight (and not moving) - Boing Boing