| Designer | : | William Strijbos |
| Craftsman | : | William Strijbos (1st) Trevor Wood (2nd)) |
| Category | : | Put-Together |
| Material | : | Tarara & Pau Amerillo (Pieces), Zebrano & Bolivain Mahogany (Box) (2nd) |
| Pieces | : | 16, plus the box |
| The sixteen pieces represent all the possible ways that two pieces of each color having slanted tops can be joined. The objective is to assemble the pieces into a two-layer, 4x4 checkerboard with the colors matching on both layers and with the colors being different on both layers. Just Fit won the 1990 Hikimi puzzle competition in Japan. | ||