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| View Original: | 12crossings-4symmetrical-square.svg (576x576) | |||
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| Keywords: 12crossings-4symmetrical-square.svg Decorative knot with twelve crossings depicted with four-fold symmetry This is topologically equivalent to File 12crossings-fourfold-symmetric svg and File Circular-cross-decorative-knot-12crossings svg see http //katlas math toronto edu/wiki/K12a975 but only uses orthogonal straight lines Self-made graphic converted from the following vector 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 l 3 5 l 0 5 l 0 1 l 5 1 l 5 3 l 2 3 l 2 0 l 6 0 l 6 5 l 4 5 l 4 2 l 7 2 l closepath gsave 0 setgray 36 setlinewidth stroke grestore stroke 92 96 1 setrgbcolor/r 72 mul exch 72 mul exch rlineto def 36 setlinewidth 0 setgray 4 5 6 X moveto 1 0 r stroke 1 4 5 X moveto 0 1 r stroke 1 5 5 X moveto 1 0 r stroke 2 5 4 X moveto 1 0 r stroke 6 1 5 X moveto 0 1 r stroke 1 5 1 X moveto 1 0 r stroke 3 5 3 X moveto 1 0 r stroke 4 5 2 X moveto 1 0 r stroke 2 1 5 X moveto 0 1 r stroke 3 2 5 X moveto 0 1 r stroke 4 3 5 X moveto 0 1 r stroke 5 4 5 X moveto 0 1 r stroke 92 96 1 setrgbcolor 18 setlinewidth 4 48 6 X moveto 1 04 0 r stroke 1 4 48 X moveto 0 1 04 r stroke 1 48 5 X moveto 1 04 0 r stroke 2 48 4 X moveto 1 04 0 r stroke 6 1 48 X moveto 0 1 04 r stroke 1 48 1 X moveto 1 04 0 r stroke 3 48 3 X moveto 1 04 0 r stroke 4 48 2 X moveto 1 04 0 r stroke 2 1 48 X moveto 0 1 04 r stroke 3 2 48 X moveto 0 1 04 r stroke 4 3 48 X moveto 0 1 04 r stroke 5 4 48 X moveto 0 1 04 r stroke showpage EOF</pre> 2010 AnonMoos 12 crossing number knots and links Knots knot theory Decorative knots Images with PostScript source code Knots with 4-fold rotational symmetry Chiral images with rotational symmetry Knots and links on transparent background Outline knots and links | ||||
