The Vesica Piscis is a shape formed by the intersection of two identical circles so that the centre of each circle intersects the perimeter of the other. The Vesica Ppiscis is commonly used for the Venn diagrams and in various arts and seal organisations.
Various other symbols can be derived from vesica piscis including theIchthys also known as the 'Jesus Fish', the symbol of the Triquetraand the triangle of Reuleaux. It was also a symbol used by Freemasons for many years. Historically, the vesica piscis was used as a system of proportions for architecture, illustrated in the works of Vitruvius.
