Put-Together - Just Fit

Just Fit (William Strijbos)
Just Fit (Trevor Wood)
Designer:William Strijbos
Craftsman:William Strijbos (1st)
Trevor Wood (2nd))
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.