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File:Necker cube and impossible cube.svg

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    Original file (SVG file, nominally 402 × 162 pixels, file size: 1 KB)

    Summary

    Description A necker cube and the equivalent showing a flat-edge crossing the other, which is impossible in 3-dimensional space, it's an optical illusion
    Date
    Source Own work based on: Necker cube and impossible cube.PNG by Maksim
    Author  
    Vector:
    Other versions Derivative works of this file:  Impossible cube.svg by Ricordisamoa
    SVG development
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     The SVG code is valid.
     This diagram was created with Inkscape.

    Licensing

    I, the copyright holder of this work, hereby publish it under the following licenses:
    GNU head This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. See version 2.1 and version 3 of the GNU Lesser General Public License for more details.
    GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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    This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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    Under the following conditions:
    • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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    inception

    28 December 2008

    media type

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    data size

    1,219 byte

    checksum

    21d95a06a9edcbe4ec26029c345392adebf0bf4d

    determination method or standard: SHA-1

    File history

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    Date/TimeThumbnailDimensionsUserComment
    current13:30, 8 May 2010Thumbnail for version as of 13:30, 8 May 2010402 × 162 (1 KB)Boivie== Summary == == Summary == Clean up of code and image. Original PNG created by en:User:Tarquin. GFDL|migration=relicense First SVG version by User:RTCNCA GFDL / Cc-by-sa-3.0 SVG cleanup by User:Boivie. No license claim for cleanup
    01:39, 29 December 2008Thumbnail for version as of 01:39, 29 December 2008400 × 160 (6 KB)RTCNCA{{Information |Description=A necker cube and the equivalent showing a flat-edge crossing the other, which is impossible in 3-dimensional space, it's an optical illusion |Source={{Inkscape}} |Date=2008-12-28 |Author=Uploader |Permission=See Below |other_ve

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