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This is a Stellated Icosahedron (20 pointed star), with the inner icosahedron removed. With 1.53 mm thick wires, it is printable in steel, silver, brass, bronze, and the white and colored plastics. This is a nice Christmas tree ornament. This model has a bit thicker, stronger wires than the original model shown in the photo, in order to print in steel. It is a Great Stellated Dodecahedron, except that 1) the inner icoshedron is removed, and 2) the stellation factor is slightly larger, making the pentagon stas slightly concave, rather than planar.