A 12-sided die based on the Hexagonal Dipyramid, the dual of the Archimedean Hexagonal Prism. Like Catalan solids, the "true" dipyramids feature equal faces and regular vertices. All dihedral angles are equal.
Hollow version, wall thickness 1.5 mm.
3.758 w x
2.238 d x
1.48 w x
0.881 d x