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 model of their own tiny house. The project aims to focus on the real-world application of math concepts used in designing homes, including layout, architectural elements, furniture arrangement, geometry, and ca