A simple basic quasi-Celtic key pattern in an equilateral triangle
AnonMoos
<p>Converted from the following self-authored PostScript vector source code:
</p>
<pre>%!
306 396 translate
/Q{exch 0.75 sqrt mul exch 2 div}def
15 setlinewidth/TL{Q rlineto}def
/A{-80 6400 3 div sqrt moveto
-7.5 7.5 Q rmoveto -100 -300 TL
150 0 rlineto -61 183 TL -19.5 -19.5 TL
42 -126 TL -84 0 rlineto stroke}def
A gsave 120 rotate A grestore
0 25600 3 div sqrt neg moveto
80 6400 3 div sqrt lineto
-80 6400 3 div sqrt lineto
closepath stroke
0 40000 3 div sqrt neg moveto
0 18 rmoveto 15.5 46.5 Q rmoveto
-55 165 TL 19.5 19.5 TL 33 -99 TL
38.5 115.5 TL stroke
-80 6400 3 div sqrt moveto
24 0 rmoveto -19 57 TL 84 252 TL
87 -261 TL -105 0 rlineto
0 19.5 rlineto 71.5 0 rlineto
-48 144 TL stroke
0 172225 3 div sqrt moveto
207.5 43056.25 3 div sqrt neg lineto
-207.5 43056.25 3 div sqrt neg lineto
closepath stroke
/B{6 setlinewidth .5 setgray
-80 6400 3 div sqrt moveto 15 0 rmoveto
-10.5 21 Q rmoveto 14 -42 TL stroke}def
B gsave -1 1 scale 120 rotate B grestore
1 0 0 setrgbcolor 1 setlinewidth
0 160000 3 div sqrt moveto
200 40000 3 div sqrt neg lineto
-200 40000 3 div sqrt neg lineto
closepath stroke
0 40000 3 div sqrt neg moveto
100 10000 3 div sqrt lineto
-100 10000 3 div sqrt lineto
closepath stroke showpage
%EOF</pre>