파일:Quatrefoil-Architectural.pngImage:Quatrefoil-Architectural-alternate.png and Image:Quatrefoil-Architectural-Square.png. The quatrefoil is the fourfold version of an architectural trefoil
파일:Trefoil-Architectural.pngImage:Trefoil-Architectural-Equilateral-Triangle-outlined.png , Image:Trefoil-Architectural-Equilateral-Triangle-interlaced.png , and Image:Quatrefoil-Architectural
파일:Quatrefoil-Architectural.svgarchitectural/symbolic "quatrefoil", made of four overlapping circles. The fourfold version of an architectural trefoil (see [[:Image:Trefoil-Architectural.png]]). Generated
파일:Trefoil-Architectural.svgImage:Trefoil-Architectural-Equilateral-Triangle-outlined.png , Image:Trefoil-Architectural-Equilateral-Triangle-interlaced.png , and Image:Quatrefoil-Architectural