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This is a large model (8.3" on a side) of a close packing of 14 spheres with centers at the vertices of a stellated octahedron, which forms a cube. The spheres are each formed from 4 great circle strips which are parallel to an inscribed tetrahedron, and rotated so that the strips align with the contact points of the spheres. This was designed in Mathematica and thickened in Blender. The strips are 1.5 mm square, printable in white flexible plastic or the unpolished steels. (It is too delicate for the polishing process.)