Pentagonal-knot-unicursal.svg
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Summary
Description Pentagonal-knot-unicursal.svg | Ornamental unicursal pentagonal knot. For a non-unicursal pentagonal knot, see File:Pentagonal-knot.svg . |
Date | |
Source |
Self-made graphic, converted from a version of the following PostScript vector source code: %! 306 396 translate 2.4 dup scale/plr{.25 sub 2.47213472 12.5 mul mul dup 3 2 roll 72 mul 90 add dup 3 1 roll cos mul 3 1 roll sin mul} def/P{/x exch def 4 x plr 3 x plr 2 x plr 1 x plr 0 x plr moveto 4{lineto}repeat closepath stk}def/xyadd{3 2 roll add 3 1 roll add exch}def/h{42.5325}def/ang{exch 72 mul add dup sin h mul exch cos h mul}def/i{21.2662}def/anghalf{exch 72 mul add dup sin i mul exch cos i mul}def/stk{gsave 50 3 div setlinewidth 0 setgray stroke grestore stroke}def 1 setgray 50 6 div setlinewidth 0 3 plr 0 90 anghalf xyadd moveto 0 2.5 plr lineto stk 1 3 plr 1 126 anghalf neg exch neg exch xyadd moveto 1 2.5 plr lineto stk 2 3 plr 2 162 anghalf xyadd moveto 2 2.5 plr lineto stk 3 3 plr 3 198 anghalf neg exch neg exch xyadd moveto 3 2.5 plr lineto stk 4 3 plr 4 234 anghalf xyadd moveto 4 2.5 plr lineto stk 2.5 P 0 2 plr 0 90 anghalf xyadd moveto 0 1.5 plr lineto stk 0 2.5 plr 0 90 ang neg exch neg exch xyadd moveto 0 1.5 plr lineto stk 1 2.5 plr 1 126 ang xyadd moveto 1 1.5 plr lineto stk 1 2 plr 1 126 anghalf neg exch neg exch xyadd moveto 1 1.5 plr lineto stk 2 2 plr 2 162 anghalf xyadd moveto 2 1.5 plr lineto stk 2 2.5 plr 2 162 ang neg exch neg exch xyadd moveto 2 1.5 plr lineto stk 3 2.5 plr 3 198 ang xyadd moveto 3 1.5 plr lineto stk 3 2 plr 3 198 anghalf neg exch neg exch xyadd moveto 3 1.5 plr lineto stk 4 2 plr 4 234 anghalf xyadd moveto 4 1.5 plr lineto stk 4 2.5 plr 4 234 ang neg exch neg exch xyadd moveto 4 1.5 plr lineto stk 1.5 P showpage %EOF |
Author | AnonMoos |
Licensing
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