Burr puzzle

Burr puzzle

Burr puzzles are interlocking puzzles known in Europe and Asia since at least the 18th century. Traditionally they are made from wood, but some modern versions use plastic (for reasons of economy) while collector's quality ones may be made from brass (for durability). The wooden burr puzzles are usually precision-made for tight fit and require special wood so that the pieces do not change shape too much in changing temperature and humidity.

The burr puzzle gets its name from the most traditional shape for the finished puzzle, a symmetrical arrangement of intersecting cuboids thought to resemble a seed burr, but similar puzzles can have other forms when assembled, ranging from a ball to the shape of a human figure, a ship, a bird or a free-form starlike contraption.

The mathematical properties of burr puzzles have been studied by Bill Cutler.

ee also

* Tanglement puzzles.

References

* cite book
title = Puzzles in Wood
first = E. M. | last = Wyatt
publisher = Bruce Publishing Co
location = Milwaukee, Wisc
year = 1928
id = ISBN 0-918036-09-7

External links

* cite web
url = http://www.research.ibm.com/BurrPuzzles/
title = The burr puzzles site
work = research.ibm.com
accessdate = 2005-07-05

* cite web
url = http://www.johnrausch.com/PuzzlingWorld/contents.htm
title = The Puzzling World of Polyhedral Dissections
work = Stewart T. Coffin
accessdate = 2008-01-08

* cite web
url = http://www.brilliantpuzzles.com
title = Find many wooden & Metal burr puzzles


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