Interlocking - Disinclination

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Designer:Stewart Coffin
Craftsman:Stewart Coffin
Material:Burma Padauk

A modification of the Seven Woods Puzzle with the pieces cut in such a way to produce a triangular cross section of 40-50-90. A member of the Diagonal Burr family. Stewart made 10 in 1994. Number 99 in his numbering system.
More information in The Puzzling World of Polyhedral Dissections