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Description Vectorized version of Image:Grey square optical illusion.PNG by Jrockley
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Edward H. Adelson, the copyright holder of this work, hereby publishes it under the following license:
The copyright holder of this work allows anyone to use it for any purpose including unrestricted redistribution, commercial use, and modification.

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This image is a derivative work of the following images:

  • Image:Grey_square_optical_illusion.PNG licensed with Copyrighted free use
    • 2008-01-13T21:13:45Z Mahahahaneapneap 1087x844 (163090 Bytes) pngcrushed
    • 2007-04-24T03:54:36Z Jrockley 1087x844 (218837 Bytes) much larger version
    • 2007-04-09T00:41:43Z Jrockley 522x408 (71920 Bytes) Prepared for Wikipedia by [[w:User:Arpingstone|Adrian Pingstone]] in January 2004, based on the [http://web.mit.edu/persci/people/adelson/checkershadow_illusion.html original] created by Edward H. Adelson. See also [http://en

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Date/TimeThumbnailDimensionsUserComment
current03:17, 1 May 2010Thumbnail for version as of 03:17, 1 May 2010764 × 591 (22 KB)ZooFariCreate duplicate, offset checker board to fix line gaps
18:30, 25 July 2008Thumbnail for version as of 18:30, 25 July 2008764 × 591 (11 KB)Sakurambo~commonswiki{{Information |Description=Vectorized version of Image:Grey square optical illusion.PNG by Jrockley |Source=*Image:Grey_square_optical_illusion.PNG |Date=2008-07-25 18:26 (UTC) |Author=*derivative work: ~~~ *[[:Image:Grey_squa

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