Larger Photograph (69.7K)
| Designer | : | Stewart Coffin |
| Craftsman | : | Tom Lensch |
| Category | : | Put-Together |
| Pieces | : | 12, plus the tray |
| The objective is to place the twelve checkered pieces made up of isosceles right triangles into the tray - but how. See the Engelberg Square for a similar puzzle by Stewart. Number 143 in his numbering system. | ||