This board contains absolutely perfect squares but you perceive them as distorted!

This grid is made up of perfect squares then why does it appear to bulge outwards?

Do you perceive a bulge in the middle of this surface? However it is a 2D, flat, square grid!

The gray circles in each square block are of the same shade!

These are perfect squares and parallel to each other!

This square frame is made up of perfect squares. Do you see any distortion or wavy appearance?

Do you see distorted squares in this grid? But they are actually perfect and parallel to each other.

Which square is bigger? The red one? Actually, both of them are equal in size.

Do the sides of this square appear to bend? Actually they are straight but the background pattern creates the illusion.

The horizontal lines in this square grid appear to be curved but they are absolutely straight.

This board contains absolutely perfect squares but you perceive them as distorted!

Let us settle this fair and square.

How many pillars do you see? 2 or 3? Also, are they square or circular?

How come this flat grid of squares seems to have two steps?

Do you see gray colored diagonals running through the white space in between the black squares? Would you believe that, these lines do not exist and it is only your perception?

Do these squares appear to be expanding and moving outwards? Well, look carefully they are stationary.

Do you see gray dots flashing in between the squares? They are the perception of your eye as they do not exist in reality!

These horizontal lines are absolutely parallel to each other and makes perfect squares with the vertical lines.

The red square seems to have bent edges, right? Wait for a few seconds until the circles disappear.

Can you believe it? This drawing has all perfect squares, they are absolutely equal and parallel to each other!

Are these pillars square or circular?

Check out these square water melons!!!