Talk:Polyhedron model

External links modified
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I have just modified one external link on Polyhedron model. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20050403235101/http://ibiblio.org/e-notes/3Dapp/Convex.htm to http://ibiblio.org/e-notes/3Dapp/Convex.htm

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Cheers.— InternetArchiveBot  (Report bug) 11:24, 8 January 2018 (UTC)