The model shows a cube. It can be interpreted in three ways: as a right square prism. The cube, also called a hexahedron, is one of the five Platonic solids. It can also be derived from the parallelepiped and the cuboid through progressive specialization. In the model, strings mark a spatial diagonal (black) and a regular hexagon (red) normal to this spatial diagonal. The regular hexagon bisects the cube. The edges are the line segments connecting the midpoints of six cube edges.