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A mechanical puzzle is a puzzle presented as a set of mechanically interlinked pieces in which the solution is to manipulate the whole object or parts of it. While puzzles of this type have been in use by humanity as early as the 3rd century BC, one of the most well-known mechanical puzzles of modern day is the Rubik's Cube , invented by the ...
If the three lengths of the block edges are x, y, and z, then the cube should have edge length x + y + z. Although the puzzle can be constructed with any three different edge lengths, it is most difficult when the three edge lengths of the blocks are close enough together that x + y + z < 4 min(x,y,z), as this prevents alternative solutions in ...
The Universal Book of Mathematics provides the following information about Altekruse puzzle: [2] [3] A symmetrical 12-piece burr puzzle for which a patent was granted to William Altekruse in 1890. The Altekruse family is of Austrian-German origin and, curiously, the name means "old cross" in German, which has led some authors to incorrectly ...
The "mini rope bridge puzzle". The goal is to remove the two rings. (solution shown). Wire-and-string puzzles usually consist of: one piece of string, ribbon or similar, which may form a closed loop or which may have other pieces like balls fixed to its end. one or several pieces of stiff wire
Two clue puzzles were available with the launch of the product, which, if solved, each give a piece position (hint) on the main 256-piece puzzle. Clue Puzzle 1 is a 36-piece square (6 × 6) puzzle and Clue Puzzle 2 is a 72-piece rectangular (12 × 6) puzzle. Two additional clue puzzles of the same dimensions were made available in 2008: the 36 ...
A combination puzzle, also known as a sequential move puzzle, is a puzzle which consists of a set of pieces which can be manipulated into different combinations by a group of operations. Many such puzzles are mechanical puzzles of polyhedral shape , consisting of multiple layers of pieces along each axis which can rotate independently of each ...
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Each puzzle piece is a 12-polydrafter (dodecadrafter) made of twelve 30-60-90 triangles (that is, a continuous compound of twelve halves of equilateral triangles, restricted to the grid layout). Each piece has an area equal to that of 6 equilateral triangles, and the area of the entire dodecagon is exactly 209 * 6 = 1254 equilateral triangles ...