File:Three-circles-Trefoil.png
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Three-circles-Trefoil.png (642 × 600 pixels, file size: 14 KB, MIME type: image/png)
Ornamental interlaced trefoil knot design consisting exclusively of intersecting circular arcs. Self-made, declared to be in public domain, generated from the following PostScript source code:
%!
300 396 translate/x{3 sqrt 50 mul}def/A{0 100 x 0 360 arc
closepath stroke x -50 x 0 360 arc closepath stroke x neg
-50 x 0 360 arc closepath stroke}def 18 setlinewidth A 12
setlinewidth .7 .8 .9 setrgbcolor A 3 setlinewidth 0 setgray
3{0 100 x 7.5 add 276 300 arc stroke 0 100 x 7.5 add 216 240
arc stroke 120 rotate}repeat showpage
%EOF
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:31, 30 September 2011 | | 642 × 600 (14 KB) | AnonMoos (talk | contribs) | Ornamental interlaced trefoil knot design consisting exclusively of intersecting circular arcs. Self-made, declared to be in public domain, generated from the following PostScript source code: <pre>%! 300 396 translate/x{3 sqrt 50 mul}def/A{0 100 x 0 360 |
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