Snub polyhedron — A snub polyhedron is a polyhedron obtained by adding extra triangles around each vertex. Chiral snub polyhedra do not have reflection symmetry and hence have two enantiomorphous forms which are reflections of each other. Their symmetry groups are … Wikipedia
Snub cube — (Click here for rotating model) Type Archimedean solid Uniform polyhedron Elements F = 38, E = 60, V = 24 (χ = 2) Faces by sides (8+24){3}+6{4} … Wikipedia
Octagonal antiprism — Uniform Octagonal antiprism Type Prismatic uniform polyhedron Elements F = 18, E = 32 V = 16 (χ = 2) Faces by sides 16{3}+2{8} … Wikipedia
Grand antiprism — (Schlegel diagram wireframe) Type Uniform polychoron Uniform index 47 Cells 100+200 (3.3.3) … Wikipedia
Johnson solid — The elongated square gyrobicupola (J37), a Johnson solid … Wikipedia
List of mathematics articles (S) — NOTOC S S duality S matrix S plane S transform S unit S.O.S. Mathematics SA subgroup Saccheri quadrilateral Sacks spiral Sacred geometry Saddle node bifurcation Saddle point Saddle surface Sadleirian Professor of Pure Mathematics Safe prime Safe… … Wikipedia
Dihedral symmetry in three dimensions — This article deals with three infinite sequences of point groups in three dimensions which have a symmetry group that as abstract group is a dihedral group Dihn ( n ≥ 2 ). See also point groups in two dimensions. Chiral: Dn (22n) of… … Wikipedia
Polyèdre adouci — 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… … Wikipédia en Français
Johnson-Körper — Die Johnson Körper sind eine Klasse geometrischer Körper. Inhaltsverzeichnis 1 Eigenschaften 2 Liste 2.1 Pyramiden, Kuppeln und Rotunden 2.2 modifizierte Pyramiden … Deutsch Wikipedia
Polyèdre de Johnson — Solide de Johnson La gyrobicoupole octogonale allongée (J37), un solide de Johnson … Wikipédia en Français
