Architects including Girolamo Rainaldi and Paolo Marucelli labored on specific projects. Only in the 17th and 18th centuries were the main facades completed, one facing Piazza SS. Apostoli and the other facing Via della Pilotta.
Individual architects like Girolamo Rainaldi and Paolo Marucelli focused on particular undertakings. The main building fronts weren't completed until the 17th and 18th centuries, with one fronting Piazza SS. Apostoli and the other situated along Via della Pilotta.