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In geometry, a snub polyhedron is a polyhedron obtained by performing a snub operation: alternating a corresponding omnitruncated or truncated polyhedron, depending on the definition. Some, but not all, authors include antiprisms as snub polyhedra, as they are obtained by this construction from a degenerate "polyhedron" with only two faces (a dihedron). Chiral snub polyhedra do not always have reflection symmetry and hence sometimes have two enantiomorphous (left- and right-handed) forms which are reflections of each other. Their symmetry groups are all point groups. For example, the snub cube:

AttributesValues
rdfs:label
  • Polyèdre adouci (fr)
  • Snub polyhedron (en)
  • Плосконосый многогранник (ru)
rdfs:comment
  • En géométrie, un polyèdre adouci est un polyèdre obtenu en écartant les faces d'un polyèdre et en comblant les trous par des triangles équilatéraux. Souvent, cela consiste à remplacer chaque sommet du polyèdre par un triangle équilatéral et chaque arête par deux triangles équilatéraux. L'appellation "adouci" vient du fait que le polyèdre obtenu par cette déformation possède des angles dièdres beaucoup moins aigus et une surface plus proche de celle de la sphère. (fr)
  • In geometry, a snub polyhedron is a polyhedron obtained by performing a snub operation: alternating a corresponding omnitruncated or truncated polyhedron, depending on the definition. Some, but not all, authors include antiprisms as snub polyhedra, as they are obtained by this construction from a degenerate "polyhedron" with only two faces (a dihedron). Chiral snub polyhedra do not always have reflection symmetry and hence sometimes have two enantiomorphous (left- and right-handed) forms which are reflections of each other. Their symmetry groups are all point groups. For example, the snub cube: (en)
  • Плосконосый многогранник — это многогранник, полученный (частичным усечением) соответствующего или усечённого многогранника, в зависимости от определения. Некоторые (не все) авторы включают в плосконосые многогранники антипризмы, так как они получаются таким построением из вырожденного «многогранника» всего с двумя гранями (диэдра). Хиральные плосконосые многогранники не всегда имеют зеркальную симметрию, а потому имеют две зеркальносимметричные формы, которые являются зеркальным отражением друг друга. Их группы симметрии все являются точечными группами. Например, плосконосый куб: (ru)
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