3D Geometry City Project: Volume, Surface Area, Area & Perimeter Math PBL In this engaging project-based learning activity, students step into the role of Lead Architect to design, construct, and budget their own 3D metropolis! As they plan their city layout, they must follow specific architectural requirements by assembling 3D paper nets into rectangular prisms, pyramids, a cylindrical structure, and a compound structure (a water tower). Once their 3D city is constructed and brought to life wit