Madrid and the Board of Houses of the Navy: Four Projects for Spain in the 1940s.- Framing, filling, linking: The drawing of elements for city description.- From historical and theoretical analysis of Representation and Geometry to Topology for Structural Optimization.- From image to investigation 3D reconstruction with perspective restitution.- From the "sacred theatres" of Andrea Pozzo to the international truncated calotte: history and representation of the Immacolatella church's tribune in Trapani (1732).- Geometric and formal characterization of the church of Santa María de Tobed.