How to Make a Stereogram in Photoshop

Written by daniel ketchum
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How to Make a Stereogram in Photoshop
Make your own stereograms in Photoshop. (Hemera Technologies/ Images)

Many different forms of 3D stereograms exist, but the one most familiar tin 2011 is the anaglyph. In this image, two views of the same scene are superimposed. When viewed through coloured lenses, the image appears 3D. Photoshop allows you to create anaglyphic stereograms.

Skill level:

Things you need

  • Camera

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  1. 1

    Take two photos of a static scene. The first photo is for the right eye. Move the camera 4 inches to the left, and take a second photo. This image is for the left eye.

  2. 2

    Load the photos onto your computer.

  3. 3

    Open Photoshop. Select "File" from the menu. Choose "Open" In the dialogue box that appears. Locate and open the desired images.

  4. 4

    Use the "Copy" and "Paste" functions -- under "Edit" --to place the left-eye image in the right-eye document. Close the left-eye image.

  5. 5

    Go to the "Layers" panel, and reduce the "Opacity" of the top layer to about 50 per cent. Use the "Move" tool to move the image in the top layer. Align it with the centre subject of the shot. Reset the "Opacity" to 100. Use the "Crop" tool to remove the rough edges of the image.

  6. 6

    Select the right-eye layer. Press "CTRL" and "L" on your keyboard. Select "Red" from the drop-down menu. Change the 250 to 0. Click "OK."

  7. 7

    Select the left-eye layer, and hit "CTR" and "L" on your keyboard. Select "Green" and "Blue" from the drop-down menu. Change the 250 to 0. Click "OK."

  8. 8

    Select the top layer, and change the "Blending Mode" to "Screen." Save your work.

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