Keywords: 8crossings-rose-limacon-knot.svg Decorative symmetric knot with eight crossings The curves were generated from the polar coordinates equation r b+sin aθ which is a slight generalization of the Limaçon and Rose/rhodonea curves using parameters a 2/5 and b 8/5 Extends the symmetrical form of the mathematical figure-8 knot File Figure8knot-rose-limacon-curve svg Self-made graphic generated from the following vector PostScript source-code <pre> 300 396 translate -45 rotate 77 5 dup scale 125 setlinewidth 92 96 1 setrgbcolor/z w lineto for stroke def/ecc 1 6 def/w /th exch def th 2 mul 5 div/x exch def x sin ecc add th cos mul x sin ecc add th sin mul def/y dup w moveto 1 add 1 def 0 y 1800 w lineto for closepath gsave 0 setgray 325 setlinewidth stroke grestore stroke 0 setgray 325 setlinewidth 24 y 68 z 276 y 352 z 472 y 516 z 728 y 800 z 924 y 968 z 1176 y 1252 z 1372 y 1416 z 1628 y 1700 z 125 setlinewidth 92 96 1 setrgbcolor 23 y 69 z 275 y 353 z 471 y 517 z 727 y 801 z 923 y 969 z 1175 y 1253 z 1371 y 1417 z 1627 y 1701 z showpage EOF</pre> 2010 AnonMoos 8 crossing number knots and links Prime knots Decorative knots Images with PostScript source code Knots and links on transparent background Outline knots and links Round graphic ornaments |