Wikipedia

File:Grey square optical illusion.svg

Original file ‎(SVG file, nominally 764 × 591 pixels, file size: 22 KB)

This file has been superseded by Checker shadow illusion.svg. It is recommended to use the other file. Please note that deleting superseded images requires consent.
 new file
Description Vectorized version of Image:Grey square optical illusion.PNG by Jrockley
Date (UTC)
Source
Author
Permission
(Reusing this file)
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.

Please check the source to verify that this is correct. In particular, note that publication on the Internet, like publication by any other means, does not in itself imply permission to redistribute. Files without valid permission should be tagged with {{subst:npd}}.

Usage notes:

Original upload log

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

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

inception

25 July 2008

File history

Click on a date/time to view the file as it appeared at that time.

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
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file:

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Retrieved from "https://en.wikipedia.org/wiki/File:Grey_square_optical_illusion.svg"