File:8crossings-two-triquetras-joined.png

8-crossing link made from circular arcs, such that the center of each circle is on the circumference of two other circles.

Self-made, declared to be in public domain, generated from the following PostScript source code:

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204 396 translate .6 dup scale/x 240 3 sqrt div neg
def/y x 120 3 sqrt mul add def/w x 64.308 sub def/z
w 120 3 sqrt mul sub def 1 setlinejoin 90 rotate
0 w 240 360 180 arcn -120 z 240 120 90 arcn 
-120 y 240 -90 60 arc 120 y 240 120 270 arc 
120 z 240 90 60 arcn
closepath gsave 30 setlinewidth 0 setgray stroke
grestore 12 setlinewidth 1 0 .2 setrgbcolor stroke
0 x 240 180 0 arcn 120 y 240 300 270 arcn 
120 z 240 90 240 arc -120 z 240 -60 90 arc 
-120 y 240 -90 -120 arcn
closepath gsave 30 setlinewidth 0 setgray stroke
grestore 12 setlinewidth 0 .6 1 setrgbcolor stroke
30 setlinewidth 0 setgray 120 y 240 250 270 arc 
120 z 240 90 68 arcn stroke
-120 y 240 292 308 arc stroke
120 y 240 172 188 arc stroke
0 w 240 248 232 arcn stroke
120 z 240 112 128 arc stroke 12 setlinewidth
1 0 .2 setrgbcolor 120 y 240 249 270 arc 
120 z 240 90 67 arcn stroke
-120 y 240 291 309 arc stroke
120 y 240 171 189 arc stroke
0 w 240 248 232 arcn stroke 0 .6 1 setrgbcolor
120 z 240 111 129 arc stroke showpage
%EOF