File:Two-trefoils-L10a108.png
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Two-trefoils-L10a108.png (800 × 487 pixels, file size: 19 KB, MIME type: image/png)
Two interlinked trefoil knots (3_1).
Self-made, declared to be public domain, generated from the following PostScript source:
%!
240 518 translate/z{20000 sqrt}def/w{1200 sqrt}def/x
true def/A{12 setlinewidth x{.92 .96 1 setrgbcolor}
{.87 .97 .87 setrgbcolor}ifelse w neg -20 120 330 90
arcn z w add -20 120 90 210 arcn
z 2 div 15000 sqrt 100 210 330 arcn closepath gsave
20 setlinewidth 0 setgray stroke grestore stroke
20 setlinewidth 0 setgray
w neg -20 120 271 330 arc 20 dup 3 sqrt mul rlineto
stroke
z w add -20 120 31 90 arc -33 0 rlineto stroke
z 2 div 15000 sqrt 100 209 181 arcn stroke
12 setlinewidth x{.92 .96 1 setrgbcolor}{.87 .97 .87
setrgbcolor}ifelse
w neg -20 120 270 330 arc 21 dup 3 sqrt mul rlineto
stroke
z w add -20 120 30 90 arc -34 0 rlineto stroke
z 2 div 15000 sqrt 100 210 180 arcn stroke}def
A gsave -1 -1 scale z neg 240 translate/x false def
A grestore 20 setlinewidth 0 setgray
w neg -20 120 269 226 arcn stroke
z w add -20 120 269 226 arcn stroke
12 setlinewidth .92 .96 1 setrgbcolor
w neg -20 120 270 225 arcn stroke
z w add -20 120 270 225 arcn stroke showpage
%EOF
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:41, 13 April 2010 | | 800 × 487 (19 KB) | AnonMoos (talk | contribs) | better image version |
| 20:31, 16 January 2010 |  | 800 × 545 (20 KB) | AnonMoos (talk | contribs) | Two interlinked trefoil knots (3_1). Self-made, declared to be public domain, generated from the following PostScript source: <pre>%! 240 518 translate/z{20000 sqrt}def/w{1200 sqrt}def/x true def/A{12 setlinewidth x{.92 .96 1 setrgbcolor} {.87 .97 . |
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