# Shapes2.incReference

From POV-Wiki

`Tetrahedron`

- 4-sided regular polyhedron.
`Octahedron`

- 8-sided regular polyhedron.
`Dodecahedron`

- 12-sided regular polyhedron.
`Icosahedron`

- 20-sided regular polyhedron.
`Rhomboid`

- Three dimensional 4-sided diamond, basically a sheared box.
`Hexagon`

- 6-sided regular polygonal solid, axis along x.
`HalfCone_Y`

- Convenient finite cone primitive, pointing up in the Y axis.
`Pyramid`

- 4-sided pyramid (union of triangles, can not be used in CSG).
`Pyramid2`

- 4-sided pyramid (intersection of planes, can be used in CSG).
`Square_X, Square_Y, Square_Z`

- Finite planes stretching 1 unit along each axis. In other words, 2X2 unit squares.