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Tetraminx The Pyraminx 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 Rubik's Cube by Erno Rubik, and introduced by Tomy Tomy Toys of Japan (then the 3rd largest toy company in the world) in 1981.[1]Contents1 Description 2 Optimal solutions 3 Records 4 Methods 5 Variations 6 See also 7 References 8 External linksDescription[edit] Pyraminx Pyraminx in the middle of a twistThe 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 [...More...]  "Tetraminx" on: Wikipedia Yahoo 

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.[1] The tetrahedron is the threedimensional case of the more general concept of a Euclidean simplex, and may thus also be called a 3simplex. 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 [...More...]  "Tetrahedron" on: Wikipedia Yahoo 

Pyraminx Crystal The Pyraminx Pyraminx Crystal is a dodecahedral puzzle similar to the Rubik's Cube and the Megaminx. It is manufactured by Uwe Mèffert and has been sold in his puzzle shop since 2008. The puzzle was originally called the Brilic,[1] and was first made in 2006 by Aleh Hladzilin,[2] a member of the Twisty Puzzles Forum. It is not to be confused with the Pyraminx, which is also invented and sold by Meffert.Contents1 History 2 Description 3 Solutions 4 Number of combinations 5 See also 6 ReferencesHistory[edit]Whitebodied 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 [...More...]  "Pyraminx Crystal" on: Wikipedia Yahoo 

VCube 6 The VCube 6 VCube 6 is a 6×6×6 version of Rubik's Cube. The first massproduced 6×6×6 was invented by Panagiotis Verdes Panagiotis Verdes and is produced by the Greek company Verdes Innovations SA. Other such puzzles have since been introduced by a number of Chinese companies,[1] some of which have mechanisms which improve on the original [...More...]  "VCube 6" on: Wikipedia Yahoo 

VCube 7 The VCube 7 VCube 7 is a combination puzzle in the form of a 7×7×7 cube. The first massproduced 7×7×7 was invented by Panagiotis Verdes Panagiotis Verdes and is produced by the Greek company Verdes Innovations SA. Other such puzzles have since been introduced by a number of Chinese companies,[1] some of which have mechanisms which improve on the original. Like the 5×5×5, the VCube 7 VCube 7 has both fixed and movable center facets.Contents1 Mechanics1.1 Permutations2 Solution 3 Records 4 See also 5 References 6 External linksMechanics[edit]The VCube 7 VCube 7 in a scrambled stateIssue with corners in a large cubeThe VCube 7 VCube 7 in solved stateThe puzzle consists of 218 unique miniature cubes ("cubies") on the surface [...More...]  "VCube 7" on: Wikipedia Yahoo 

VCube 8 The VCube 8 VCube 8 is an 8×8×8 version of Rubik's Cube. Unlike the original puzzle (but like the 4×4×4 and 6×6×6 cubes), it has no fixed facets: the center facets (36 per face) are free to move to different positions. The design was covered by Panagiotis Verdes' patent from 2007[1] but Verdes Innovations SA did not produce it for sale until 2014. Other 8×8×8 cubes are produced by the Chinese companies ShengShou and YuXin.[2] Methods for solving the 3×3×3 cube work for the edges and corners of the 8×8×8 cube, as long as one has correctly identified the relative positions of the colors — since the center facets can no longer be used for identification.Contents1 Mechanics1.1 Permutations2 Solutions 3 Records 4 See also 5 References 6 Further reading 7 External linksMechanics[edit] The puzzle consists of 296 pieces ("cubies") on the surface [...More...]  "VCube 8" on: Wikipedia Yahoo 

Helicopter Cube A helicopter is a type of rotorcraft in which lift and thrust are supplied by rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward, and laterally. These attributes allow helicopters to be used in congested or isolated areas where fixedwing aircraft and many forms of VTOL VTOL (vertical takeoff and landing) aircraft cannot perform. The English word helicopter is adapted from the French word hélicoptère, coined by Gustave Ponton d'Amécourt in 1861, which originates from the Greek helix (ἕλιξ) "helix, spiral, whirl, convolution"[1] and pteron (πτερόν) "wing".[2][3][4][5] English language nicknames for helicopter include "chopper", "copter", "helo", "heli", and "whirlybird". Helicopters were developed and built during the first halfcentury of flight, with the FockeWulf Fw 61 FockeWulf Fw 61 being the first operational helicopter in 1936 [...More...]  "Helicopter Cube" on: Wikipedia Yahoo 

Square1 (puzzle) The Square1, also known as Back to Square One and Cube 21, is a puzzle similar to the Rubik's Cube. Its distinguishing feature among the numerous Rubik's Cube Rubik's Cube variants is that it can change shape as it is twisted, due to the way it is cut, thus adding an extra level of challenge and difficulty. The Super Square One and Square Two puzzles have been recently introduced[when?] [...More...]  "Square1 (puzzle)" on: Wikipedia Yahoo 

Sudoku Cube The Sudoku Sudoku Cube or Sudokube is a variation on a Rubik's Cube Rubik's Cube in which the faces have numbers one to nine on the sides instead of colours. The aim is to solve Sudoku Sudoku puzzles on one or more of the sides. The toy was created in 2006 by Jay Horowitz in Sebring, Ohio.[1]Contents1 Production 2 Description 3 Computer simulations 4 References 5 See alsoProduction[edit]A scrambled Sudokube puzzleThe Sudoku Sudoku Cube was invented by veteran toy maker Jay Horowitz after he had the idea to combine Sudoku Sudoku and a Rubik's Cube. Horowitz already owned molds to produce Rubik's Cubes and was able to use them to produce his new design.[2] Mass production is completed in China by American Classic Toy Inc, a company belonging to Horowitz. The product is sold in the United States in retailers such as Barnes & Noble and FAO Schwarz [...More...]  "Sudoku Cube" on: Wikipedia Yahoo 

NineColour Cube The NineColour Cube Cube (see below for other names) is a cubic twisty puzzle.[1] It was invented in 2005 by Milan Vodicka[2] and massproduced by Meffert's seven years later.[3][4] Mechanically, the puzzle is identical to the Rubik's Cube; however, unlike the Rubik's Cube, which only has 6 different colours, the NineColour Cube Cube has 9 colours, with the individual pieces having one colour each.[1]Contents1 Name 2 Overview2.1 Structure3 Number of combinations3.1 Solutions4 See also 5 Notes 6 ReferencesName[edit] The puzzle is known under several different names.[5] Milan Vodicka, the inventor, initially gave it the name "NineColour Scramble Cube",[2] which reflected the key feature and the de facto objective of the puzzle [...More...]  "NineColour Cube" on: Wikipedia Yahoo 

Void Cube The Void Cube Void Cube is a 3D mechanical puzzle similar to a Rubik's Cube, with the notable difference being that the center pieces are missing, which causes the puzzle to resemble a level 1 Menger sponge. The core used on the Rubik's Cube Rubik's Cube is also absent, creating holes straight through the cube on all three axes. Due to the restricted volume of the puzzle it employs an entirely different structural mechanism from a regular Rubik's Cube, though the possible moves are the same. The Void Cube Void Cube was invented by Katsuhiko Okamoto. Gentosha Education, in Japan, holds the license to manufacture Void Cubes.[1]Contents1 Solution 2 Internal mechanism 3 See also 4 References 5 External linksSolution[edit] The Void Cube Void Cube is slightly more difficult than a regular Rubik's Cube due to parity. The lack of center cubes alters the parity considerations [...More...]  "Void Cube" on: Wikipedia Yahoo 

BrainTwist The Hoberman BrainTwist 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 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 [...More...]  "BrainTwist" on: Wikipedia Yahoo 

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. 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 trapezorhombic dodecahedron variations, along with the rhombic dodecahedra, are spacefilling [...More...]  "Dodecahedron" on: Wikipedia Yahoo 

Skewb Ultimate The Skewb Skewb Ultimate, originally marketed as Pyraminx Pyraminx Ball is a twelvesided puzzle derivation of the Skewb, produced by famous toymaker 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.Contents1 Description 2 Solutions 3 Number of combinations 4 See also 5 External linksDescription[edit] The Skewb Skewb Ultimate is made in the shape of a dodecahedron, like the Megaminx, but cut differently. Each face is cut into 4 parts, two equal and two unequal [...More...]  "Skewb Ultimate" on: Wikipedia Yahoo 

Rubik's Revenge The Rubik's Revenge Rubik's Revenge (also known as the Master Cube) is a 4×4×4 version of Rubik's Cube. It was released in 1981 [...More...]  "Rubik's Revenge" on: Wikipedia Yahoo 

Icosahedron In geometry, an icosahedron (/ˌaɪkɒsəˈhiːdrən, kə, koʊ/ or /aɪˌkɒsəˈhiːdrən/[1]) 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 [...More...]  "Icosahedron" on: Wikipedia Yahoo 