The regular convex polyhedra are the five Platonic solids, which have been known since classical Greece. The ancient Greek mathematician Euclid proved in his Elements of Geometry that there are only ...

For all polyhedra the number of edges is two less ... meaning the dice are fair. 6-sided cube dice are most common. Other types of dice are often used in role-playing games. Using your maths ...

These six-sided polyhedrons are a pretty straightforward concept and a woodworking project even beginners can do. The pieces are simple — four sides, a bottom face, and a top face — but there ...