Constrained Burrs

$59.00
RELEASED: 5.27.2013
PRODUCED: 40 Copies
DESIGNER: Logan Kleinwaks
CRAFTSMAN: Eric Fuller
MATERIAL: Walnut and Ash Cages, Cherry or Holly or Maple pieces
COMMENTS: When Logan sent me the first puzzle in this series, the Bookend puzzle, I was very impressed. The concept was interesting, the solution tricky, and of course the finished puzzle displayed very nicely. He then followed it up with three more complimentary designs, each with a unique solution. I knew immediately I wanted to make them, and so now I'm very glad to be able to share with you this series of Constrained burrs. I think this set is a unique concept and is likely to be a classic.

The Bookend burr is the easiest of the set and a good place to start. With a unique level 10.4 solution it's no pushover, but the extra length added to the pieces to interact with the frame helps determine piece location and in some cases orientation. A fun puzzle and a worthy beginning to the set.

The Clamped burr is a very high level 15.3.5, and is quite difficult. Because the piece lengths vary for each axis, the solver does have a significant clue as to piece location; thus the Looped burr is somewhat trickier to solve. That said the Clamped is a close second, followed by the Cornered and then the Bookend.

The Cornered burr is a very high level 14, and is moderate in difficulty. Because potentially all six of the pieces can share positions it is tricky, but there is also a fair bit of loose space and I have found a couple rotational shortcuts with the potential to somewhat simplify the high level. That said, this is by no means an easy puzzle.

The Looped burr is a very high level 15, and is probably the most difficult of the Constrained series. Because potentially four of the pieces can share a position it is trickier than the similar level Clamped burr.

40 copies of each made for sale, each signed and dated. Ships assembled.

SIZE: 2.625"
PRICE: $59 (SOLD OUT)

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