Simple 7-crossing quasi-Celtic linear decorative knot.
AnonMoos
<p>Previously uploaded in PNG form to <a rel="nofollow" class="external free" href="http://katlas.math.utoronto.ca/wiki/File:Celtic-knot-linear-7crossings.png">http://katlas.math.utoronto.ca/wiki/File:Celtic-knot-linear-7crossings.png</a>
</p><p>Converted from the following PostScript vector source code:
</p>
<pre>%!
306 396 translate 24 setlinewidth .92 .96 1 setrgbcolor
1 setlinejoin/z{20000 sqrt}def/y{gsave 40 setlinewidth
0 setgray}def z neg 0 100 45 105 arc
z -2 div z 2 div 100 165 225 arc 0 0 100 225 315 arc
z 2 div z 2 div 100 -45 15 arc
z 0 100 75 135 arc z neg 0 100 315 255 arcn
z -2 div z -2 div 100 195 135 arcn
0 0 100 135 45 arcn z 2 div z -2 div 100 45 -15 arcn
z 0 100 285 225 arcn closepath y stroke grestore
stroke y 0 0 100 92 135 arc -30 -30 rlineto stroke
-15 15 moveto 30 -30 rlineto stroke
0 0 100 272 315 arc 30 30 rlineto stroke
z neg 0 100 272 315 arc 30 30 rlineto stroke
z 0 100 92 135 arc -30 -30 rlineto stroke
z -2 div z 2 div 100 197 225 arc 30 -30 rlineto stroke
z 2 div z -2 div 100 17 45 arc -30 30 rlineto stroke
grestore 0 0 100 90 135 arc -32 -32 rlineto stroke
-17 17 moveto 34 -34 rlineto stroke
0 0 100 270 315 arc 32 32 rlineto stroke
z neg 0 100 270 315 arc 32 32 rlineto stroke
z 0 100 90 135 arc -32 -32 rlineto stroke
z -2 div z 2 div 100 195 225 arc 32 -32 rlineto stroke
z 2 div z -2 div 100 15 45 arc -32 32 rlineto stroke
showpage
%EOF</pre>