File:オスカー・ロイエルスヴァルトの不可能図形.gif

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オスカー・ロイエルスヴァルトの不可能図形.gif(237 × 178 pixels, file size: 4 KB, MIME type: image/gif)

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Summary[edit]

Description
English: Illusion
日本語: 錯視
Date
Source http://www.geocities.co.jp/Berkeley-Labo/6317/sakusi_01.htm
Author 未菜実
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http://www.geocities.co.jp/Berkeley-Labo/6317/index.html

Licensing[edit]

Public domain This image of simple geometry is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
Heptagon

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Date/TimeThumbnailDimensionsUserComment
current09:56, 12 October 2008Thumbnail for version as of 09:56, 12 October 2008237 × 178 (4 KB)Ytsk (talk | contribs){{Information |Description={{en|1=Illusion }} {{ja|1=錯視}} |Source=http://www.geocities.co.jp/Berkeley-Labo/6317/sakusi_01.htm |Author=未菜実 |Date=2001年 10月 18日 |Permission={{GFDL}} |other_versions=http://www.geocities.co.jp/Berkeley-Labo/6
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