File:Hopf-illusion.png: Revision history

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5 October 2011

4 June 2011

  • curprev 21:0621:06, 4 June 2011AnonMoos talk contribs 1,573 bytes +1,573 Hopf link of mathematical knot theory, depicted as an impossible object, shown in isometric projection pseudo-perspective. Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 300 335 translate .6 dup