octahedron
polyhedron with 8 faces
truncated tetrahedron
Archimedean solid
regular octahedron
Platonic solid
augmented triangular prism
Johnson solid
triangular cupola
Johnson solid
stellated octahedron
polyhedral compound
elongated octahedron
polyhedron with 8 faces
hexagonal prism
prism with hexagonal base
heptagonal pyramid
type of octahedron