| Designer | : | David Bruce |
| Craftsman | : | Interlocking Puzzles |
| Category | : | Interlocking |
| Material | : | Peroba Rosa |
| Pieces | : | 6 |
| The shape is the first stellation of the dodecahedron. L. L. Porter patented a design in 1894 that used a single key piece. David changed the design slightly in 1948 so the key has two pieces. The similarity to the Six-Piece Burr is noticeable. | ||