Designing A 3D Tiny House Project Based Learning PBL: Area, Perimeter, Geometry, & Architecture. Project-based learning (PBL) fosters engagement, critical thinking, and real-world application.Tiny House Project is a project-based learning activity where students will design and create a modelof their own tiny house. The project aims to focus on the real-world application of math conceptsused in designing homes, including layout, architectural elements, furniture arrangement, geometry,and cal