Interlocking - Giant Hectix

Giant Hectix
Larger Photograph (62.9K)
Designer:Stewart Coffin
Craftsman:Stewart Coffin
Material:Laminated Birch

The Giant Hectix is a double-sized version of Hexsticks, which was licensed to 3M for manufacturer. About 100,000 were made and sold from 1971 to 1979. U.S. Patent Number 3721448. It uses nine pieces with two notches each, and three pieces with three notches. Stewart made 4 in 1993. Number 25B in his numbering system.
More information in The Puzzling World of Polyhedral Dissections