This example creates a sheet of complex geometric symbols, scaling them to different sizes.
%!PS-Adobe-2.0 EPSF-2.0 %%Title: symbol.ps %%Pages: 1 %%Page: 1 1 % screwing around with geometric shapes %------------------------------------------- /Inch { 72 mul } def /TopMargin { 0.25 Inch } def % definition of shape (upper left corner, box width as args) /Emblem { /Width exch def /Y exch def /X exch def gsave X Y moveto Width 0 rlineto stroke % top X Y moveto 0 Width -1 mul rlineto stroke % left X Width add Y moveto 0 Width -1 mul rlineto stroke %right X Y Width sub moveto Width 0 rlineto stroke % bottom /CenterX { X Width 2 div add } def /CenterY { Y Width 2 div sub } def /Radius { Width 2 div 0.70 mul } def /StrokeWidth { Radius 4 div } def % Outer black circle StrokeWidth setlinewidth CenterX CenterY Radius 0 365 arc stroke % Calculate dimension for white triangle /WhiteTriangleRadius { Radius 1.375 mul } def /WTupprightX { CenterX WhiteTriangleRadius .866 mul add } def /WTupprightY { CenterY WhiteTriangleRadius .5 mul add } def /WTupleftX { CenterX WhiteTriangleRadius .866 mul sub } def /WTupleftY { WTupprightY } def /WTbotX { CenterX } def /WTbotY { CenterY WhiteTriangleRadius sub } def % draw / fill white triangle StrokeWidth setlinewidth 1.0 setgray newpath WTupprightX WTupprightY moveto WTupleftX WTupleftY lineto WTbotX WTbotY lineto closepath fill % Calculate dimensions for inner black triangle /BTRadius { Radius 0.875 mul } def /BTuprightX { CenterX BTRadius .866 mul add } def /BTuprightY { CenterY BTRadius .5 mul add } def /BTupleftX { CenterX BTRadius .866 mul sub } def /BTupleftY { BTuprightY } def /BTbotX { CenterX } def /BTbotY { CenterY BTRadius sub } def % draw / fill black triangle StrokeWidth setlinewidth 0.0 setgray newpath BTuprightX BTuprightY moveto BTupleftX BTupleftY lineto BTbotX BTbotY lineto closepath stroke % black dot in the middle 0 setgray 1 setlinewidth CenterX CenterY StrokeWidth 0 360 arc fill grestore } def % definition of outer border (drawing area boundary, basically) /Boundary { % line across bottom of page with half-inch left-right margin 0.25 Inch 0.25 Inch moveto 8.0 Inch 0 rlineto stroke newpath % line across top of page with half-inch left-right margin 0.25 Inch 10.75 Inch moveto 8.0 Inch 0 rlineto stroke newpath % line up left of page with half-inch top-bottom margin 0.25 Inch 0.25 Inch moveto 0 10.5 Inch rlineto stroke newpath % line up right of page with half-inch top-bottom margin 8.25 Inch 0.25 Inch moveto 0 10.5 Inch rlineto stroke newpath } def %------------ newpath Boundary % bottom row of emblems, left to right 0.25 Inch 2.25 Inch 2 Inch Emblem 2.25 Inch 2.25 Inch 2 Inch Emblem 4.25 Inch 2.25 Inch 2 Inch Emblem 6.25 Inch 2.25 Inch 2 Inch Emblem % next-to-bottom row, left to right 0.25 Inch 4.25 Inch 2 Inch Emblem 2.25 Inch 4.25 Inch 2 Inch Emblem 4.25 Inch 4.25 Inch 2 Inch Emblem 6.25 Inch 4.25 Inch 2 Inch Emblem % pair of 4-inchers in the middle of the page 0.25 Inch 8.25 Inch 4 Inch Emblem 4.25 Inch 8.25 Inch 4 Inch Emblem % row of 1-inchers 0.25 Inch 9.25 Inch 1 Inch Emblem 1.25 Inch 9.25 Inch 1 Inch Emblem 2.25 Inch 9.25 Inch 1 Inch Emblem 3.25 Inch 9.25 Inch 1 Inch Emblem 4.25 Inch 9.25 Inch 1 Inch Emblem 5.25 Inch 9.25 Inch 1 Inch Emblem 6.25 Inch 9.25 Inch 1 Inch Emblem 7.25 Inch 9.25 Inch 1 Inch Emblem % row of 1-inchers 0.25 Inch 10.25 Inch 1 Inch Emblem 1.25 Inch 10.25 Inch 1 Inch Emblem 2.25 Inch 10.25 Inch 1 Inch Emblem 3.25 Inch 10.25 Inch 1 Inch Emblem 4.25 Inch 10.25 Inch 1 Inch Emblem 5.25 Inch 10.25 Inch 1 Inch Emblem 6.25 Inch 10.25 Inch 1 Inch Emblem 7.25 Inch 10.25 Inch 1 Inch Emblem % row of half-inchers 0.25 Inch 10.75 Inch 0.5 Inch Emblem 0.75 Inch 10.75 Inch 0.5 Inch Emblem 1.25 Inch 10.75 Inch 0.5 Inch Emblem 1.75 Inch 10.75 Inch 0.5 Inch Emblem 2.25 Inch 10.75 Inch 0.5 Inch Emblem 2.75 Inch 10.75 Inch 0.5 Inch Emblem 3.25 Inch 10.75 Inch 0.5 Inch Emblem 3.75 Inch 10.75 Inch 0.5 Inch Emblem 4.25 Inch 10.75 Inch 0.5 Inch Emblem 4.75 Inch 10.75 Inch 0.5 Inch Emblem 5.25 Inch 10.75 Inch 0.5 Inch Emblem 5.75 Inch 10.75 Inch 0.5 Inch Emblem 6.25 Inch 10.75 Inch 0.5 Inch Emblem 6.75 Inch 10.75 Inch 0.5 Inch Emblem 7.25 Inch 10.75 Inch 0.5 Inch Emblem 7.75 Inch 10.75 Inch 0.5 Inch Emblem showpage quit
The definition of the symbol is pretty complex, but you can see how it is scalable for placement on the page in a variety of sizes.