The Puzzling World of Polyhedral Dissections
By Stewart T. Coffin

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Chapter 9 - Polyhedral Puzzles with Dissimilar Pieces
The Augmented Second Stellation

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With the addition of yet 12 more rhombic pyramid blocks to the permutated second stellation of the rhombic dodecahedron, it is transformed into the intriguing polyhedron shown in Fig. 111, which is an intermediate form between the second and third stellations. More importantly, these added blocks have the same practical effect as did the lengthening of the arms in the Broken Sticks Puzzle. That is, one of the two solutions is eliminated and three of the four sliding axes are blocked. Besides forming an attractive polyhedral sculpture with simple clean lines, especially when made of contrasting exotic woods, its snugly interfitting pieces do not require much dexterity to assemble. All things considered, this is a most satisfactory puzzle.

Fig. 111

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