File:12crossings-4symmetrical-square.png: Revision history

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15 May 2010

  • curprev 06:4306:43, 15 May 2010‎ AnonMoos talk contribs‎ 1,257 bytes +1,257‎ Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 18 setlinewidth .92 .96 1 setrgbcolor/X{.5 add 72 mul exch .5 add 72 mul exch}def/l{X lineto}def 7 6 X moveto 2 6 l 2 4 l 5 4 l 5 7 l 1 7 l 1 2 l 3 2
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