Embedded Files
How to make your own Stereogram - 3D Object Viewer using Photoshop!
Video tutorial steps:
1) Load stereogram image in Photoshop
2) Duplicate the stereogram layer
3) Define a 2x2 pixel chequerboard pattern with black and transparent pixels.
4) Create a new empty layer above the two stereogram layers
5) Fill this empty layer with the chequerboard pattern
6) Select all black pixels on this pattern
7) Select the duplicated layer and press delete. (This has now removed every second pixel from this layer (see-through).
8) Deslect all.
8) Move the duplicated layer across the image (hold shift) until matching elements converge. The 3D object will appear for a split second.
9) The layer has to be moved continously across the image to see the effect. Once movement ceases all depth queues disappear.
Results:
Press browser back button to return to this page after viewing the animations.
(Click to see the 3D soldier - animated Gif)
(Click to see the 3D butterfly - animated Gif))
(Click to see the 3D dinosaur - animated Gif))
Results: (Works with Stereo Pairs too)
(Click to see the 3D in this stereo pair - animated Gif))
Quotes
"I love this Photoshop trick-- really neat!"
Paul Spinrad, Projects editor for MAKE Magazine.
"I am really astonished that a chessboard pattern can show the hidden picture."
Jürgen, Mathematische Basteleien.
http://www.mathematische-basteleien.de/
"I am very interested in this project...Nice job on the Photoshop solution."
Steve Perry, Eye Adventures.
"Excellent use of the wiggling stereo!"
Igor Polk, Wiggle stereo innovator
http://www.virtuar.com/click/essay/giants/wiggle.htm
Stereogram and Stereo Pair Image Credits
Butterfly: Author Unknown
Dinosaur: Stereogram Workshop is Copyright © 2009 by Sandy Knoll Software, LLC.
http://www.tabberer.com/sandyknoll/more/3dmaker/StereogramWorkshopImages/DinoStereogramLarge.jpg
Soldier (knight): Author Unknown
Lion Statue: Stereo photo pair (parallel format) of Edward Kemeys's lion statue outside the Art Institute of Chicago, in Illinois. Author Kim Scarborough
Page Updated - 21st November 2009 by Colin Ord
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