File:Three-figure8-knot triang2.png

Pseudo-Celtic ornamental knot pattern, with three figure-8 knots along a closed triangular loop.

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

%!
306 396 translate 1.7 dup scale 1 0 0 setrgbcolor 2
setlinewidth/x{77.9423}def/A{81.6871 -55 36 130 90
arcn 30000 sqrt 77.9422 sub -55 36 90 30 arcn 30000
sqrt 77.9422 sub -55 36 30 -180 arcn 30000 sqrt
149.9422 sub -55 36 0 300 arc 6.3608 -19.7249 75 300
70 arc 13.6624 dup neg 2.74747742 mul exch rlineto
stroke}def/B{gsave A 120 rotate A 120 rotate A
grestore}def 24 setlinewidth .87 .87 .96 setrgbcolor
B 18 setlinewidth 0 setgray B 6 setlinewidth 1
setlinejoin x -2 div 200 x 3 sqrt 2 div mul sub
moveto 0 200 lineto x 2 div 200 x 3 sqrt 2 div mul
sub lineto gsave .87 .87 .96 setrgbcolor stroke
grestore 0 150 lineto fill 30000 sqrt x sub -100
moveto 30000 sqrt -100 lineto x -2 div x 3 sqrt 2
div mul rlineto gsave .87 .87 .96 setrgbcolor stroke
grestore 30000 sqrt 1875 sqrt sub -75 lineto fill
30000 sqrt neg x add -100 moveto 30000 sqrt neg
-100 lineto x 2 div x 3 sqrt 2 div mul rlineto gsave
.87 .87 .96 setrgbcolor stroke grestore 30000 sqrt
neg 1875 sqrt add -75 lineto fill 0 setlinejoin/C{18
setlinewidth 0 setgray 30000 sqrt 77.9422 sub -55 36
40 -100 arcn stroke 24 setlinewidth .87 .87 .96
setrgbcolor 6.3608 -19.7249 75 348 8 arc stroke
30000 sqrt 77.9422 sub -55 36 -137 -180 arcn 30000
sqrt 149.9422 sub -55 36 0 20 arc stroke 30000 sqrt
149.9422 sub -55 36 185 235 arc stroke 18
setlinewidth 0 setgray 30000 sqrt 77.9422 sub -55 36
-136 -180 arcn 30000 sqrt 149.9422 sub -55 36 0 21
arc stroke 24 setlinewidth .87 .87 .96 setrgbcolor
81.6871 -55 36 128 130 arc 15.2 dup -1.1917536 mul
exch neg rlineto stroke 18 setlinewidth 0 setgray
6.3608 -19.7249 75 347 9 arc stroke 30000 sqrt
149.9422 sub -55 36 184 236 arc stroke 81.6871 -55
36 127 130 arc 15.25 dup -1.1917536 mul exch neg
rlineto stroke}def gsave C 120 rotate C 120 rotate C
grestore showpage
%EOF