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Which geometric shapes form the ground plan of SantāIvo alla Sapienza?
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Francesco Borromini
Piazza Navona, Rome, with the church of Sant'Agnese in Agone, designed by Francesco Borromini, and (foreground) the Fountain of the Moor, originally designed by Giacomo della Porta and revised by Gian Lorenzo Bernini.
The ground plan of the church of SantāIvo alla Sapienza is formed by a circle superimposed on two intersecting triangles. This geometric configuration creates a six-pointed star, often referred to as the Star of David, which establishes a hexagonal arrangement for the altar and the surrounding chapels.1