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Keywords from Image Description:
Schema.sculpture.trilobe. Drawings by Eugne ViolletleDuc Trfle Nom que l'on donne un membre d'architecture de forme gomtrique obtenu au moyen de trois cercles dont les centres sont placs aux sommets des angles d'un triangle quilatral On dit aussi trilobeeeee sicle Eugne Viollet le Duc ViolletleDuc Trefoils in architecture Trefoil