File:9-crossing non-alternating 3-symmetrical.svg

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Original file ‎(SVG file, nominally 626 × 600 pixels, file size: 3 KB)

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Description A 9-crossing non-alternating knot with 3-fold rotational symmetry. (Compare the alternating symmetrical knot File:Knot-9crossings-symmetrical.svg).
Date (PostScript); 2013 (SVG)
Source

This image first uploaded as a PNG to http://katlas.math.utoronto.ca/wiki/File:9crossings-symmetrical-nonalt.png

Converted from the following vector PostScript source code: 

%!
306 396 translate .4 dup scale/x 240 3 sqrt div neg def
24 setlinewidth 1 setgray/A{-120 x 360 210 360 arc 0 x
240 0 180 arc 120 x 360 180 330 arc 60 10800 sqrt rlineto
gsave 60 setlinewidth 0 setgray stroke grestore stroke}def
A gsave 2{120 rotate A}repeat grestore 60 setlinewidth 0
setgray 3{-120 x 360 277 302 arc stroke 0 x 240 109 132
arc stroke 120 -120 x 360 218 210 arcn -15 15 3 sqrt mul
rlineto stroke rotate}repeat 0 x 240 170 180 arc 120 x 360
180 187 arc stroke 1 setgray 24 setlinewidth 3{-120 x 360
276 303 arc stroke 0 x 240 108 133 arc stroke -120 x 360
220 210 arcn -20 20 3 sqrt mul rlineto stroke 120 rotate}
repeat 0 x 240 160 180 arc 120 x 360 180 188 arc stroke
showpage
%EOF
Author AnonMoos
Permission
(Reusing this file)
Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Date/TimeThumbnailDimensionsUserComment
current12:22, 19 April 2015Thumbnail for version as of 12:22, 19 April 2015626 × 600 (3 KB)AnonMoos (talk | contribs)fixing small flaws
08:20, 7 May 2013Thumbnail for version as of 08:20, 7 May 2013626 × 600 (3 KB)AnonMoos (talk | contribs)A 9-crossing non-alternating knot with 3-fold rotational symmetry. (Compare the alternating symmetrical knot File:Knot-9crossings-symmetrical.svg). This image first uploaded as a PNG to http://katlas.math.utoronto.ca/wiki/Image:9crossings-symmetr...

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