Tetrahedrons & Octahedrons

The yellow triangles outline one of eight faces
of the octahedron within every tetrahedron.

The yellow triangles: One of the eight faces of an octahedron in the center of every tetrahedron and with a center point.

Complexity starts within the sphere.

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Can you see the beginning of the octahedron? The answer is “Maybe.” Do you see where the heavy black lines touch just below the lighter yellow horizontal line. Do you see that tetrahedron inscribed by the heavy black lines? One could argue that the top of that tetrahedron, where the black lines come together, is the symbolic centerpoint of the larger octahedron inscribed by the largest tetrahedron pictured here. Also, see below the image on this page.