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|Craftsman||:||Stewart Coffin (1st & 2nd)|
Mark McCallum (3rd)
Lee Krasnow (4th)
|Material||:||Honduras Mahogany (1st)|
Jatoba & Bolivian Rosewood
The Four Corners puzzle, especially the augmented version, has the appearance of four mutually intersecting prisms, By using triangular stick segments in the construction, this effect is accentuated.
The Triagonal Prism is one example of a puzzle that results from the augmentation with triangular sticks. It is actually an augmented Hexagonal Prism. It uses six dissimilar pieces with a unique solution. Stewart made 100 from 1974 to 1983. Number 12 in his numbering system.
|More information in The Puzzling World of Polyhedral Dissections|