File:United States Bicentennial star 1976 (geometry).png

Version of the emblem of 1976 United States bicentennial celebrations. This image was generated from abstract geometry, and may not be completely faithful to the proportions of the original design.

Self-made, declared to be in public domain, generated from the following PostScript source code:

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300 396 translate 1.5 dup scale/W{1 18 sin sub 200 mul}def 1 setlinejoin/A{0
100 moveto 1 1 4{144 mul 90 add dup cos 100 mul exch sin 100 mul lineto}for
closepath}def 1 0 0 setrgbcolor W setlinewidth A stroke 1 setgray W 2 mul 3
div setlinewidth A stroke 0 0 1 setrgbcolor W 3 div setlinewidth A stroke
0 setlinejoin 5{gsave 0 18 sin 100 mul W 2 div add moveto 90 0 rlineto 0 W 2
div neg rlineto -90 0 rlineto closepath clip newpath 1 0 0 setrgbcolor W
setlinewidth 88 18 sin 100 mul moveto -88 0 rlineto stroke 1 setgray W 2 mul
3 div setlinewidth 89 18 sin 100 mul moveto -89 0 rlineto stroke 0 0 1
setrgbcolor W 3 div setlinewidth 90 18 sin 100 mul moveto -90 0 rlineto
stroke grestore 72 rotate}repeat 1 setgray A fill showpage
%EOF