Keywords: Quatrefoil-Architectural.png Quatrefoil-Architectural svg One form of an architectural/symbolic quatrefoil made of four overlapping circles In the version of the quatrefoil shown the circles are pulled as far apart as they can be without creating a gap in the center i e circumferences of the four innermost circular white areas intersect at a single point For different versions see Image Quatrefoil-Architectural-alternate png and Image Quatrefoil-Architectural-Square png The quatrefoil is the fourfold version of an architectural trefoil see Image Trefoil-Architectural png Generated by means of the following PostScript code <pre> /a c 0 360 arc fill def /b 168 396 a 444 396 a 306 534 a 306 258 a def /c 163 def b 1 setgray /c 157 def b 0 setgray /c 144 def b 1 setgray /c 138 def b showpage EOF</pre> derivative works Quatrefoil-Architectural svg quatrefoils Images with PostScript source code |