Regular Octahedron Geometry Diagram - Mathematical Visualization #73033 (License: Personal Use)

This black-and-white line drawing depicts a regular octahedron, one of the five Platonic solids, composed of eight congruent equilateral triangles meeting at six vertices. The orthogonal projection emphasizes its dual relationship with the cube and highlights symmetry axes. It serves as a foundational visual aid in teaching 3D geometry, crystallography, and polyhedral theory.

Used in educational websites, math textbooks, STEM curricula, and geometry software documentation to illustrate spatial reasoning, polyhedra properties, or Euler’s formula applications. Matches user intent for learning, teaching, or referencing geometric solids.