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The trick to viewing is to look at the two images, cross your eyes until you see three, and bring the middle one into focus. Once you get the focus, lean back. The “eeew” factor is pretty good.

3d insect stereogram

3d insect illusion

More excellent photography and cross-eye-3D images are at Genes Digest. via

7 Responses to “3D Images Without the Glasses!”

  1. on 15 Jun 2007 at 8:06 pm robby

    I don’t get it? cross your eyes until you see three? How can you see tree?

  2. on 15 Jun 2007 at 9:35 pm Dilly

    YUM! BUGS!


  3. on 16 Jun 2007 at 12:59 am Bunk


    It takes a little practice, but once you get it, it’s easy. Get a piece of paper, put two black dots on it about an inch or so apart. Cross your eyes slightly, and you’ll see three. (If you see four dots, you’re crossing your eyes too much, or you’re too close to the image.) The dot in the middle should appear sharp and in focus.

    The 3D effect happens when your right eye focuses on the left image, and your left eye focuses on the one on the right. All in eye-muscle control.

    This is not like the opposite illusion, where you look PAST the image. Those are really annoying.

  4. on 16 Jun 2007 at 10:14 am Erica

    Robby, I did best with it when I got about 12 inches from the screen.

  5. on 18 Jun 2007 at 3:10 pm Antilos

    These insects look very appetizing, but I better preffer meat to insects. :)

  6. on 01 Jan 2010 at 4:38 pm Robin

    you should cross your eyes until you get to see a 3th picture in the middle. the you should try to focus on that picture. it might take a while, but it’s really weird and awesome!

  7. on 06 Mar 2010 at 2:08 pm Deepak

    Great Pics!

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