café wall illusion

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English[edit]

English Wikipedia has an article on:
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Noun[edit]

café wall illusion (plural café wall illusions)

The café wall illusion. The horizontal lines are parallel, despite appearing to be at different angles to each other.
  1. An optical illusion in which the parallel straight dividing lines between staggered rows with alternating dark and light "bricks" appear to be sloped rather than parallel.