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| View Original: | 12crossings-fourfold-symmetric.svg (600x600) | |||
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| Keywords: 12crossings-fourfold-symmetric.svg Decorative knot with twelve crossings depicted with four-fold symmetry and having an overall interlaced quasi-cross shape inside an enclosing circle; all knot crossings are shown at 90° angles This is a variant of File Circular-cross-decorative-knot-12crossings svg and topologically equivalent to File 12crossings-4symmetrical-square svg see http //katlas math toronto edu/wiki/K12a975 <gallery> Image Circular-cross-decorative-knot-12crossings svg Image 12crossings-fourfold-symmetric svg Image 12crossings-4symmetrical-square svg </gallery> For a 12-crossing knot with three-fold symmetry see File 12crossings-rose-rhodonea-limacon-symmetrical-knot svg and for a 12-crossing knot with two-fold symmetry see File 12crossings-rose-limacon-knot svg Self-made graphic converted from the following vector PostScript source code <pre> 306 396 translate 12 5 setlinewidth 92 96 1 setrgbcolor -182 994949366 35 35 180 225 arc -147 994949366 0 35 225 315 arc -49 0 35 135 90 arcn 49 0 35 90 45 arcn 147 994949366 0 35 225 315 arc 182 994949366 35 35 315 360 arc 35 35 182 994949366 0 90 arc 35 182 994949366 35 90 135 arc 0 147 994949366 35 135 225 arc 0 49 35 45 0 arcn 0 -49 35 0 -45 arcn 0 -147 994949366 35 135 225 arc 35 -182 994949366 35 225 270 arc 35 -35 182 994949366 270 360 arc 182 994949366 -35 35 0 45 arc 147 994949366 0 35 45 135 arc 49 0 35 315 270 arcn -49 0 35 270 225 arcn -147 994949366 0 35 45 135 arc -182 994949366 -35 35 135 180 arc -35 -35 182 994949366 180 270 arc -35 -182 994949366 35 -90 -45 arc 0 -147 994949366 35 -45 45 arc 0 -49 35 225 180 arcn 0 49 35 180 135 arcn 0 147 994949366 35 -45 45 arc -35 182 994949366 35 45 90 arc -35 35 182 994949366 90 180 arc closepath gsave 28 setlinewidth 0 setgray stroke grestore stroke 4 28 setlinewidth 0 setgray -24 35 moveto -22 0 rlineto stroke 0 98 497474683 moveto 8 dup rmoveto -16 dup rlineto stroke 0 197 492424049 moveto 8 dup rmoveto -16 dup rlineto stroke 12 5 setlinewidth 92 96 1 setrgbcolor -23 35 moveto -24 0 rlineto stroke 0 98 497474683 moveto 9 dup rmoveto -18 dup rlineto stroke 0 197 492424049 moveto 9 dup rmoveto -18 dup rlineto stroke 90 rotate repeat showpage EOF</pre> 12 crossing number knots and links Knots and links on transparent background Knots knot theory Decorative knots Images with PostScript source code Knots with 4-fold rotational symmetry Chiral images with rotational symmetry Round symbols Knotwork cross Outline knots and links | ||||
