Off Topic: Making those plastic images where the image changes

Discussion in 'Photoshop' started by Groucho, Mar 16, 2007.

  1. Groucho

    Groucho Guest

    I remember these religious postcards where the image of Christ changed
    into the Shroud of Turin when moving the head.

    Rock albums have occasionaly used the effect as well.

    I seem to recall the effect is made by putting digonal slots in
    plastic allowing the viewer to see the top image when moving the head
    only a bit.

    Any idea how to do this effect?

    Any websites dedicated to it?


    Groucho, Mar 16, 2007
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  2. Groucho

    Robeester Guest

    Robeester, Mar 16, 2007
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  3. Groucho

    Groucho Guest

    Thanks - I knew there was a name for them.


    Groucho, Mar 17, 2007
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