Octahedron

Octahedron (WMA)


Octahedron[]

a regular octahedron centered at the origin with unit edge length.

Octahedron[l]

a regular octahedron centered at the origin with edge length l.

Octahedron[{xyz}, ...]

a regular octahedron centered at {x y, z}.

Icosahedron
Tetrahedron