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Tony Fisher (puzzle Designer)
TONY FISHER is a British puzzle designer, who specialises in creating custom rotational puzzles . He is acknowledged by cubing enthusiasts as a pioneer in the creation of new puzzle designs and new manufacturing techniques. CONTENTS * 1 Career * 2 Puzzle designs * 3 References * 4 External links CAREERFisher first began creating puzzles in 1981, when he modified two existing Rubik’s cubes by joining them along one edge to create a new device called the Siamese cube. This has been accredited as the first example of a “handmade modified rotational puzzle”. Tony Fisher at a puzzle event with one of his puzzles In 1995 Fisher further modified the conventional rotational puzzle design by shifting its cutting planes to create a 3x3x4 cube. This invention was further adapted in the creation of 2x3x4, 3x3x5 and 4x4x5 cube puzzles
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Dodecahedron
In geometry , a DODECAHEDRON (Greek δωδεκάεδρον, from δώδεκα dōdeka "twelve" + ἕδρα hédra "base", "seat" or "face") is any polyhedron with twelve flat faces. The most familiar dodecahedron is the regular dodecahedron , which is a Platonic solid
Platonic solid
. There are also three regular star dodecahedra , which are constructed as stellations of the convex form. All of these have icosahedral symmetry , order 120. The pyritohedron is an irregular pentagonal dodecahedron, having the same topology as the regular one but pyritohedral symmetry while the tetartoid has tetrahedral symmetry . The rhombic dodecahedron , seen as a limiting case of the pyritohedron, has octahedral symmetry . The elongated dodecahedron and trapezo-rhombic dodecahedron variations, along with the rhombic dodecahedra, are space-filling . There are a large number of other dodecahedra
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Skewb Diamond
The SKEWB DIAMOND is an octahedron -shaped puzzle similar to the Rubik\'s Cube . It has 14 movable pieces which can be rearranged in a total of 138,240 possible combinations. This puzzle is the dual polyhedron of the Skewb
Skewb
. CONTENTS * 1 Description * 2 Number of combinations * 3 See also * 4 External links DESCRIPTIONThe Skewb
Skewb
Diamond has 6 octahedral corner pieces and 8 triangular face centers. All pieces can move relative to each other. It is a deep-cut puzzle; its planes of rotation bisect it. It is very closely related to the Skewb
Skewb
, and shares the same piece count and mechanism. However, the triangular "corners" present on the Skewb
Skewb
have no visible orientation on the Skewb
Skewb
Diamond, and the square "centers" gain a visible orientation on the Skewb
Skewb
Diamond
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Pyraminx Crystal
The PYRAMINX CRYSTAL is a dodecahedral puzzle similar to the Rubik\'s Cube and the Megaminx
Megaminx
. It is manufactured and sold by Uwe Mèffert in his puzzle shop since 2008. The puzzle was originally called the Brilic, and was first made in 2006 by Aleh Hladzilin, a member of the Twisty Puzzles Forum. It is not to be confused with the Pyraminx
Pyraminx
, which is also invented and sold by Meffert. CONTENTS * 1 History * 2 Description * 3 Solutions * 4 Number of combinations * 5 See also * 6 References HISTORY White-bodied Pyraminx
Pyraminx
Crystal with a star pattern applied to the faces. The Pyraminx
Pyraminx
Crystal was patented in Europe on July 16, 1987. The patent number is DE8707783U. In late 2007, due to requests by puzzle fans worldwide, Uwe Mèffert began manufacturing the puzzle. The puzzles were first shipped in February 2008
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Skewb Ultimate
The SKEWB ULTIMATE, originally marketed as Pyraminx
Pyraminx
Ball is a twelve-sided puzzle derivation of the Skewb
Skewb
, produced by famous toy-maker Uwe Meffert . Most versions of this puzzle are sold with six different colors of stickers attached, with opposite sides of the puzzle having the same color; however, some early versions of the puzzle have a full set of 12 colors. CONTENTS * 1 Description * 2 Solutions * 3 Number of combinations * 4 See also * 5 External links DESCRIPTIONThe Skewb
Skewb
Ultimate is made in the shape of a dodecahedron, like the Megaminx
Megaminx
, but cut differently. Each face is cut into 4 parts, two equal and two unequal. Each cut is a deep cut: it bisects the puzzle. This results in 8 smaller corner pieces and 6 larger "edge" pieces. The purpose of the puzzle is to scramble the colors, and then restore them to the original configuration
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Icosahedron
In geometry , an ICOSAHEDRON (/ˌaɪkɒsəˈhiːdrən, -kə-, -koʊ-/ or /aɪˌkɒsəˈhiːdrən/ ) is a polyhedron with 20 faces. The name comes from Greek εἴκοσι (eíkosi), meaning 'twenty', and ἕδρα (hédra), meaning 'seat'. The plural can be either "icosahedra" (/-drə/ ) or "icosahedrons". There are many kinds of icosahedra, with some being more symmetrical than others. The best known is the Platonic , convex regular icosahedron
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Octahedron
In geometry , an OCTAHEDRON (plural: octahedra) is a polyhedron with eight faces, twelve edges, and six vertices. The term is most commonly used to refer to the REGULAR octahedron, a Platonic solid
Platonic solid
composed of eight equilateral triangles , four of which meet at each vertex. A regular octahedron is the dual polyhedron of a cube . It is a rectified tetrahedron . It is a square bipyramid in any of three orthogonal orientations. It is also a triangular antiprism in any of four orientations. An octahedron is the three-dimensional case of the more general concept of a cross polytope . A regular octahedron is a 3-ball in the Manhattan (ℓ1) metric
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BrainTwist
The HOBERMAN BRAINTWIST is a 3D mechanical puzzle designed and marketed by Chuck Hoberman 's company Hoberman Designs. The puzzle is in the same family as the Rubik\'s Cube and other puzzles that involve manipulating and scrambling colored face elements with the goal of returning them to their original order from a randomized state, commonly called twisty puzzles . This puzzle is unique in that in addition to solving one set of tetrahedral faces the puzzle can be flipped inside-out through an intermediate stellated shape to reveal another (dual) tetrahedron with a set of 4 different colored faces. The puzzle also has an alternate solution in which the apices are each a uniform color. CONTENTS * 1 Basic elements * 2 Manipulation * 3 Solutions * 4 External links BASIC ELEMENTSThe BrainTwist
BrainTwist
consists of 12 colored triangular elements each with a detent to aid in aligning the apices of the puzzle after rotating them
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Tetrahedron
In geometry , a TETRAHEDRON (plural: TETRAHEDRA or TETRAHEDRONS), also known as a TRIANGULAR PYRAMID, is a polyhedron composed of four triangular faces , six straight edges , and four vertex corners . The tetrahedron is the simplest of all the ordinary convex polyhedra and the only one that has fewer than 5 faces. The tetrahedron is the three-dimensional case of the more general concept of a Euclidean simplex , and may thus also be called a 3-SIMPLEX. The tetrahedron is one kind of pyramid , which is a polyhedron with a flat polygon base and triangular faces connecting the base to a common point. In the case of a tetrahedron the base is a triangle (any of the four faces can be considered the base), so a tetrahedron is also known as a "triangular pyramid". Like all convex polyhedra , a tetrahedron can be folded from a single sheet of paper. It has two such nets
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Pyraminx
The PYRAMINX (/ˈpɪrəmɪŋks/ ) is a regular tetrahedron puzzle in the style of Rubik\'s Cube . It was made and patented by Uwe Mèffert after the original 3 layered Rubik's Cube by Erno Rubik , and introduced by Tomy Toys of Japan (then the 3rd largest toy company in the world) in 1981. CONTENTS * 1 Description * 2 Optimal solutions * 3 Records * 4 Methods * 5 Variations * 6 See also * 7 References * 8 External links DESCRIPTION Pyraminx
Pyraminx
in the middle of a twist The Pyraminx
Pyraminx
was first conceived by Mèffert in 1970. He did nothing with his design until 1981 when he first brought it to Hong Kong for production. Uwe is fond of saying had it not been for Erno Rubik's invention of the cube, his Pyraminx
Pyraminx
would have never been produced
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Pyraminx Duo
The PYRAMINX DUO (originally known as Rob's Pyraminx) is a tetrahedral twisty puzzle in the style of the Rubik\'s Cube . It was suggested by Rob Stegmann , invented by Oskar van Deventer , and has now been mass-produced by Meffert\'s . CONTENTS * 1 Overview * 2 Number of combinations * 3 Optimal solutions * 4 Solving * 5 Variations * 6 See also * 7 References OVERVIEW The Pyraminx
Pyraminx
Duo in the middle of a twist, showing how the puzzle can be scrambled. The Pyraminx
Pyraminx
Duo is a puzzle in the shape of a tetrahedron, divided into 4 corner pieces and 4 face centre pieces. Each corner piece has three colours, while the centre pieces each have a single colour. Each face of the puzzle contains one face centre piece and three corner pieces
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Pyramorphix
The PYRAMORPHIX (/ˌpɪrəˈmɔːrfɪks/ , often misspelt Pyramorphinx) is a tetrahedral puzzle similar to the Rubik\'s Cube . It has a total of 8 movable pieces to rearrange, compared to the 20 of the Rubik's Cube. Though it looks like a simpler version of the Pyraminx , it is an edge-turning puzzle with the mechanism identical to that of the Pocket Cube . CONTENTS * 1 Description * 2 Number of combinations * 3 Master Pyramorphix
Pyramorphix
* 3.1 Solutions * 3.2 Number of combinations * 4 See also * 5 References * 6 External links DESCRIPTIONAt first glance, the Pyramorphix
Pyramorphix
appears to be a trivial puzzle. It resembles the Pyraminx, and its appearance would suggest that only the four corners could be rotated
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Impossiball
The IMPOSSIBALL is a rounded icosahedral puzzle similar to the Rubik\'s Cube . It has a total of 20 movable pieces to rearrange, same as the Rubik's Cube, but all of the Impossiball's pieces are corners, like the Pocket Cube . CONTENTS * 1 History * 2 Description * 3 Solutions * 4 Number of combinations * 5 See also * 6 References * 7 External links HISTORYWilliam O. Gustafson applied for a patent for the Impossiball
Impossiball
design in 1981 and it was issued in 1984. Uwe Mèffert eventually bought the rights to some of the patents and continues to sell it in his puzzle shop under the Impossiball
Impossiball
moniker. DESCRIPTIONThe Impossiball
Impossiball
is made in the shape of an icosahedron that has been rounded out to a sphere, and has 20 pieces, all of them corners
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Dogic
The DOGIC (/ˈdɒdʒɪk/ ) is an icosahedron -shaped puzzle like the Rubik\'s Cube . The 5 triangles meeting at its tips may be rotated, or 5 entire faces (including the triangles) around the tip may be rotated. It has a total of 80 movable pieces to rearrange, compared to the 20 pieces in the Rubik's Cube. CONTENTS * 1 History * 2 Description * 3 Solutions * 4 Number of combinations * 4.1 12-color Dogic * 4.2 10-color Dogic * 5 See also * 6 References HISTORY The 10-color Dogic The Dogic was patented by Zoltan and Robert Vecsei in Hungary on 20 October 1993. The patent was granted 28 July 1998 (HU214709). It was originally sold by VECSO in two variants under the names "Dogic" and " Dogic 2", but was only produced in quantities far short of the demand; for a long time, the only feasible way to acquire it was via second-hand channels such as eBay
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Missing Link (puzzle)
MISSING LINK is a mechanical puzzle invented in 1981 by Steven P. Hanson and Jeffrey D. Breslow. The puzzle has four sides, each depicting a chain of a different color. Each side contains four tiles, except one which contains three tiles and a gap. The top and bottom rows can be rotated, and tiles can slide up or down into the gap. The objective is to scramble the tiles and then restore them to their original configuration. The two middle rows cannot be rotated. To move tiles in these rows, you need to loop the tiles from one row to another, up and down. There are 15 tiles and a gap, giving a maximum of 16! arrangements. However, the middle tiles of each four-tile chain are identical, and each position is equivalent to seven other positions obtained by rotating the entire puzzle (about its axis or upside-down), reducing the number of arrangements to 16! / 8 / 8 = 326,918,592,000
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