Larger Photograph (51.4K)
| Designer | : | Stewart Coffin |
| Craftsman | : | Stewart Coffin |
| Category | : | Interlocking |
| Material | : | Cherry |
| Pieces | : | 6 |
| A variation of the Six-Piece Burr with sticks having a rhombic cross-section and requiring coordinate motion to solve. One of the pieces has a third notch. This is a very tricky puzzle to solve. Number 102 in Stewart's numbering system. | ||