Piston Puzzle billcutlerpuzzles.com

	Puzzle Name:	Piston Puzzle
	Type:	Six-Piece Burr
	Number of Pieces:	6
	Design By:	Peter Marineau (1986)
	Made By:	Jerry McFarland
	Material:	Walnut
	Size:	3 inches
	Availability:	May be available in 2010
	Price:	$45 (subject to change)
I had just started looking at 6-piece burr designs and computer analysis of interlocking puzzles when Peter sent me this design. It requires 9 moves to remove the first piece, and there is only this one way to assemble the pieces into a 6-piece burr. Before this discovery, the highest unique level I was aware of was level-7. The design uses a back-and-forth motion to achieve the high level, hence the name.

Six-Piece Burrs

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