Centralized plan contained by six lobes, of which three are semi-circular and the alternate ones shaped as half-hexagons. The dome maintains the plan shape internally, but has a six-lobed cupola and hexagonal lantern, culminating in a corkscrew spire. (Fletcher, 851).
Keywords: Italy, Roma, Italian, Renaissance, Baroque, ceremonial and/or religious structures, plans, s. Submitted by Jacqueline Gargus for ARCH 601: History of Architecture.