👉 Face math is a mathematical framework that provides a rigorous and intuitive way to understand the geometry and transformations of faces in 3D space. It leverages concepts from differential geometry, group theory, and linear algebra to describe how faces on a polygon (like a triangle or quadrilateral) can be manipulated through transformations such as rotations, translations, and scaling. By representing faces using parametric equations or vertices with specific coordinates, face math allows us to precisely compute and analyze geometric operations like face inversion, edge splitting, and face cutting. This framework is crucial in computer graphics, computer vision, and robotics, enabling tasks like object recognition, mesh manipulation, and motion planning by providing a solid mathematical foundation for face-based computations. Its elegance lies in translating complex geometric problems into algebraic expressions, making it both powerful and accessible for practical applications.