The Cube
A polyhedron bounded by six squares; three meeting at each vertex.
The cube is one of the five platonic solids.
43
3 | 2 4
8
12
6
S4×C2
Octahedron
Edge ratios:
- `e/r = 2`
- `e/rho = sqrt(2)`
- `e/R = 2/sqrt(3)`
where `e` is the edge length, `r` is the in-radius, `rho` is the inter-radius, and `R` is the circum-radius.