This model has a transparent plastic regular octahedron, with faces clipped together at the vertices, on the outside. Each of the eight faces has (or once had) six holes that contained beads. Threads passing through the beads form (or once formed) the outline of cubes inscribed in the octahedron - one red, one gold, one black, one green, one brown, and one turquoise. The model has no maker's mark.
For related models, see drawings in 1979.3002.046
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