Regular octahedron
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In geometry, a regular octahedron is an eight-sided polyhedron with equilateral triangles as its faces. Known for its highly symmetrical form, the regular octahedron is a Platonic solid, and more gene
Sketch of a regular octahedron by Johannes Kepler
Kepler's Platonic solid model of the Solar System
Fluorite with octahedral structure
Two identically formed Rubik's Snakes can approximate an octahedron.
Truncated octahedron
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In geometry, the truncated octahedron is the Archimedean solid that arises from a regular octahedron by removing six equilateral square pyramids, one at each of the octahedron's vertices. The truncate
Fourteen-sided Chinese dice
sculpture in Bonn
Rubik's Cube variant
model made with Polydron construction set