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Dodgy Dots

A grid of white lines on a black background
What do you see at the junctions where the lines meet?

When you look at a particular spot in the image, the intersections of the white lines in the other parts of the image disappear or flicker. The cause of this particular optical illusion is still unknown!

Materials

  • The image shown above

Construction Instructions

Print and laminate the image. Do not change the size of the image, the illusion may not work at larger or smaller sizes.