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| View Original: | 25crossings-decorative-knot.svg (608x600) | |||
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| Keywords: 25crossings-decorative-knot.svg A decorative knot with 15 crossings and five-fold rotational symmetry partly a variation on a design in George Bain's Celtic Art The Methods of Construction but changed from 6-fold symmetry to 5-fold symmetry and given rather different artistic rendering Self-made image converted from a version of the following vector PostScript source code <pre> 306 396 translate 7 dup scale 18 rotate 1 setlinejoin 10 setlinewidth 1 setgray/y 2 def/z 4 def/w 85 def/q 2 87 def/r 2 87 def 0 3 12 72 mul/x exch def gsave x rotate 0 -260 moveto 61 8033989 y mul -190 2113033 -260 sub y mul rlineto 200 288 cos mul 200 288 sin mul 93 2208255 48 4725757 139 arcn -8 5512512 14 7457109 z mul add -129 052939 16 963 z mul add 200 47 2746942 w mul sub 80 3444185 w mul neg 200 0 curveto 247 2746942 80 3444185 lineto 247 2746942 47 2746942 q mul add 80 3444185 80 3444185 q mul add -152 8241656 8 9792333 r mul add 210 3444185 92 787368 r mul add -152 8241656 210 3444185 curveto gsave 24 setlinewidth 0 setgray stroke grestore stroke grestore for 1 setlinewidth 6 setgray 0 0 200 0 360 arc stroke 0 0 260 0 360 arc stroke 1 0 0 setrgbcolor 0 1 9 36 mul 90 add/x exch def 260 x cos mul 260 x sin mul 1 5 0 360 arc fill for 0 1 9 36 mul 72 add/x exch def 200 x cos mul 200 x sin mul 1 5 0 360 arc fill for showpage EOF</pre> 2012 AnonMoos thumb center 15 thumb center 20 25 crossing number knots and links Decorative knots Knots knot theory 5-fold rotational symmetry Generated by PostScript Knots and links on transparent background Celtic knots Outline knots and links Round graphic ornaments | ||||
