• @Weirdfish
      link
      122 years ago

      Unfocuse your eyes a bit, look at the intersections of two boxes, and blink.

      The circles are the beveled edges of what your brain keeps telling you are raised trapezoids

    • @[email protected]
      link
      fedilink
      Deutsch
      52 years ago

      it might help to focus on the center on the image for a while. Don’t concentrate too much, just wait for your brain to recognize the shapes.