File:Optical greysquares 3D 2.png
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Size of this preview: 711 × 600 pixels. Other resolutions: 285 × 240 pixels | 569 × 480 pixels | 911 × 768 pixels | 1,072 × 904 pixels.
Original file (1,072 × 904 pixels, file size: 68 KB, MIME type: image/png)
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| Description |
English: An optical illusion. Square A is exactly the same shade of grey as square B. Rendered with POV-ray by Florian Koch. |
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| Date | 7 April 2005 (original upload date) | ||
| Source | Own work | ||
| Author | Florian Koch, rendered with POV-ray | ||
| Permission (Reusing this file) |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:00, 6 July 2015 | | 1,072 × 904 (68 KB) | Cmdrjameson (talk | contribs) | Compressed with pngout. Reduced by 35kB (34% decrease). |
| 20:43, 7 April 2005 |  | 1,072 × 904 (103 KB) | Florenco~commonswiki (talk | contribs) | An optical illusion. Square A is exactly the same shade of grey as square B. Rendered with POV-ray by Florian Koch. {{cc-sa}} Category:Optical illusions |
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