Interlocking - Cuckoo Nest

Cuckoo Nest
Designer:Stewart Coffin
Craftsman:Stewart Coffin
Category:Interlocking
Material:Birch
Pieces:7

A variation of the Locked Nest that uses only six hexagonal sticks and six dowels with the dowels glued to five of the six sticks. Stewart made 100 from 1977 to 1983. Number 20 in his numbering system.
 
More information in The Puzzling World of Polyhedral Dissections