Trefoil-Triquetra

Autor/Urheber:

AnonMoos

Shortlink:

https://dewiki.de/b/110056

Quelle:

Wikimedia Commons

Größe:

640 x 600 Pixel (1838 Bytes)

Beschreibung:

An architectural trefoil (i.e. symmetrical pattern of three partially-overlapping circles) which is also a triquetra (i.e. simple threefold closed knot). Consists of three 300° circular arcs.

For non-interlaced architectural trefoil, see File:Trefoil-Architectural.png, etc.

Lizenz:

Public domain

Credit:

Self-made graphic, converted from the following PostScript source code:

%!
306 396 translate .4 dup scale/x{201.9613115 -116.6025
403.9226231}def/B{1 setgray 36 setlinewidth x 180 120 arc
gsave 0 setgray 96 setlinewidth stroke grestore stroke}def
gsave B 2{-120 rotate B}repeat grestore/A{96 setlinewidth
0 setgray x 230 251 arc stroke 1 setgray 36 setlinewidth
x 229 252 arc stroke}def A 2{120 rotate A}repeat showpage
%EOF

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