Furniture Design Dihedral Chair by Rakeem Bradshaw The Dihedral chair is composed of striking geometric shapes with multiple symmetrical components that give it a bold shape and stick out to the human eye. Following form and function, the lounge chair simultaneously embraces it’s regular and irregular hexagonal design to support the seat and back rest. It is heavily influenced by mid-century modern styles to create an aesthetically clean look, while simultaneously merging geometric shapes to create a structural and practical design.