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Stellation information


Construction of a stellated dodecagon: a regular polygon with Schläfli symbol {12/5}.

In geometry, stellation is the process of extending a polygon in two dimensions, polyhedron in three dimensions, or, in general, a polytope in n dimensions to form a new figure. Starting with an original figure, the process extends specific elements such as its edges or face planes, usually in a symmetrical way, until they meet each other again to form the closed boundary of a new figure. The new figure is a stellation of the original. The word stellation comes from the Latin stellātus, "starred", which in turn comes from Latin stella, "star". Stellation is the reciprocal or dual process to faceting.

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Stellation

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In geometry, stellation is the process of extending a polygon in two dimensions, polyhedron in three dimensions, or, in general, a polytope in n dimensions...

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First stellation of the rhombic dodecahedron

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first stellation of the rhombic dodecahedron is a self-intersecting polyhedron with 12 faces, each of which is a non-convex hexagon. It is a stellation of...

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Final stellation of the icosahedron

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In geometry, the complete or final stellation of the icosahedron is the outermost stellation of the icosahedron, and is "complete" and "final" because...

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Constellation

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A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal...

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Stellation diagram

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In geometry, a stellation diagram or stellation pattern is a two-dimensional diagram in the plane of some face of a polyhedron, showing lines where other...

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List of Wenninger polyhedron models

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and stellation groupings. back to top back to top back to top List of uniform polyhedra The fifty nine icosahedra List of polyhedral stellations Wenninger...

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Compound of dodecahedron and icosahedron

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In geometry, this polyhedron can be seen as either a polyhedral stellation or a compound. It can be seen as the compound of an icosahedron and dodecahedron...

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Regular icosahedron

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golden ratio. The icosahedron has a large number of stellations. Coxeter et al. (1938) stated 59 stellations were identified for the regular icosahedron. The...

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Icosahedron

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{5/2, 3}, having three regular star pentagonal faces around each vertex. Stellation is the process of extending the faces or edges of a polyhedron until they...

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Faceting

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of polyhedra. Faceting is the reciprocal or dual process to stellation. For every stellation of some convex polytope, there exists a dual faceting of the...

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Great icosahedron

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icosahedron" ("Uniform polyhedron") at MathWorld. Weisstein, Eric W. "Fifteen stellations of the icosahedron". MathWorld. Uniform polyhedra and duals...

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List of polyhedral stellations

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three dimensions, a stellation extends a polyhedron to form a new figure that is also a polyhedron. The following is a list of stellations of various polyhedra...

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Star polygon

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also be obtained as a sequence of stellations of a convex regular core polygon. Constructions based on stellation also allow regular polygonal compounds...

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Rhombic dodecahedron

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meet to form a new polyhedron. Several such stellations have been described by Dorman Luke. The first stellation, often simply called the stellated rhombic...

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Excavated dodecahedron

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represents the Ef1g1 stellation of the icosahedron. It appears in Magnus Wenninger's book Polyhedron Models as model 28, the third stellation of icosahedron...

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Compound of cube and octahedron

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and octahedron is a polyhedron which can be seen as either a polyhedral stellation or a compound. The 14 Cartesian coordinates of the vertices of the compound...

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Small triambic icosahedron

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disconnected plane figures as still being faces) coincides with one of the stellations of the icosahedron. If instead, after removing the surrounded parts of...

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Stellated octahedron

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The stellated octahedron is the only stellation of the octahedron. It is also called the stella octangula (Latin for "eight-pointed star"), a name given...

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Polyhedron

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the Platonic solids by a process called stellation. Most stellations are not regular. The study of stellations of the Platonic solids was given a big push...

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Octahedron

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and this compound, called the stella octangula, is its first and only stellation. Correspondingly, a regular octahedron is the result of cutting off from...

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Apple II processor cards

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Zimmermann), ran CP/M-86, MS-DOS, and UCSD Pascal Motorola 6809 – The Mill, by Stellation Two, ran OS-9 Level One. AP10 by IBS running FLEX Motorola 68008 – mc...

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Dodecahedron

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There are also three regular star dodecahedra, which are constructed as stellations of the convex form. All of these have icosahedral symmetry, order 120...

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Rhombic triacontahedron

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fully supported stellations. Another stellation of the Rhombic triacontahedron is the compound of five cubes. The total number of stellations of the rhombic...

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