The plan is a perfect square with a smaller square scarsella or altar on the south side. The scarsella is axially positioned in the wall, and connected to the main space by an arched opening. The interior of the main space is articulated by a rhythmic system of pilasters, arches that emphasize the space's geometric unity.
The design features a square layout with a smaller shrine or podium situated on the southern side. The shrine is positioned centrally within the wall, linked to the main room via an arched doorway. The interior of the main room is structured by a repeating pattern of columns and arches that reinforce its geometric harmony.