A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...
The Peugeot Polygon Concept is a new urban mobility concept from the French automaker that features a rectangular steeing wheel called the “Hypersquare.” Check out more on this wild new concept car ...