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Sirds lets you create Single Image Random Dot Stereogram (SIRDS) or Single Image Stereogram (SIS) from depth map images and pattern images.

SIRDS or SIS is an image giving a three-dimensional representation of a solid object or surface, and it does not require any equipment such as red & blue or polarized 3D glasses to view the stereo scene. You just need to learn how to view it in certain way with your own eyes.

  • Generate "wall-eyed" or "cross-eyed" SIRDS or SIS
  • Customizable dimensions (resolution, observer distance, maximum depth, and eye separation)
  • Hidden-surface removal
  • Center to more...

What's New

Version 2.0:
  • Mac OS X 10.6 Snow Leopard support.
  • 64-bit support.


Mac OS X 10.4 or later

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Sirds User Discussion

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Katsura Shareware (Developer) Member IconDev+2
Katsura Shareware (Developer)

i couldn't see what's in these images either back in the 90's when it was popular.

the guide marks in Sirds may help you see what's in these images. choose "Sirds Help" from the Help menu and read the instructions how to view these images with the guide marks to train your eyes. once you get used to it, you can easily see what's in these images without the guide marks.

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Version 2.0
jan13 Member IconComment+236

I am trying for YWENTY-YEARS to see whats in these images ... NO SUCCESS !

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Version 2.0
fahlman Member IconComment+18

It's the space shuttle!

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Version 1.2
Tice Member IconComment+119

Seems not to work properly. I tried the Apple logo as image import (PNG) an just got blocks instead of shaped borders...

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Version 1.2
Katsura Shareware (Developer) Member IconDev+2
Katsura Shareware (Developer)

check out animated stereogram samples at http://forum.katsurashareware.com

world's first(?) animated stereogram in HD (High Definition) and world's first(?) animated stereogram on iPod.


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Version 1.0.1
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Current Version (2.x)


Downloads 4,393
Version Downloads 1,080
License Shareware
Date 07 Sep 2009
Platform OS X / PPC 32 / Intel 32
Price $20.00
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