Cube
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A cube is a three-dimensional solid object in geometry. It has eight vertices and twelve straight edges of the same length, so that these edges form six square faces of the same size. It is an example
Table salt cubic crystals
The Norwegian CubeSat
Sketch of a cube by Johannes Kepler
Kepler's Platonic solid model of the Solar System
Polyhedron
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In geometry, a polyhedron is a three-dimensional figure with flat polygonal faces, straight edges and sharp corners or vertices. The term "polyhedron" may refer either to a solid figure or to its boun
Problem 14 of the Moscow Mathematical Papyrus, on calculating the volume of a frustum
Fourteen sided die from the Warring States period
Doppio ritratto, attributed to Jacopo de' Barbari, depicting Luca Pacioli and a student studying a glass rhombicuboctahedron half-filled with water.
The radiolarian Circogonia icosahedra