There are several natural molecules and minerals whose structures are octahedral. Since these substances were in existence long before the first humanoid inhabited this planet, nobody can be said to have invented or made an octahedron.
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An octahedron has eight faces. If it has 62 faces then it is not an octahedron!
In geometry, the hexagonal prism is a prism with hexagonal base. This polyhedron has 8 faces, 18 edges, and 12 vertices.[1] Since it has 8 faces, it is an octahedron. However, the term octahedron is primarily used to refer to the regular octahedron, which has eight triangular faces. Because of the ambiguity of the term octahedron and tilarity of the various eight-sided figures, the term is rarely used without clarification.
An octahedron has eight bases/faces.
rectangle and octahedron
An octahedron is not a polygon. A polygon is a two dimensional shape. An octahedron is a three dimensional shape and is classified as a polyhedron.