hexagonal+point

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• Point Charles Light — Point Charles Light, view from sea …   Wikipedia

• point de Milan — ● point de Milan Dentelle aux fuseaux dont les motifs, fleurs, feuillages, rinceaux, agrémentés de jours, reposent sur un fond de réseau hexagonal …   Encyclopédie Universelle

• Hexagonal chess — The term hexagonal chess designates a group of chess variants played on hexagonal boards. The most popular one is Gliński s hexagonal chess which was invented in 1936 by Władysław Gliński of Poland. Contents 1 Gliński s hexagonal chess 1.1… …   Wikipedia

• Hexagonal lattice — The hexagonal lattice or equilateral triangular lattice is one of the five 2D lattice types.Three nearby points form an equilateral triangle. In images four orientations of such a triangle are by far the most common. They can conveniently be… …   Wikipedia

• Hexagonal tiling — In geometry, the hexagonal tiling is a regular tiling of the Euclidean plane. It has Schläfli symbol of {6,3} or t{3,6} (as a truncated triangular tiling).Conway calls it a hextille.The internal angle of the hexagon is 120 degrees so three… …   Wikipedia

• Hexagonal crystal system — In crystallography, the hexagonal is one of the 7 crystal system, it contains 7 point groups . It has the same symmetry as a right prism with a hexagonal base. There is only one hexagonal Bravais lattice, which has six atoms per unit… …   Wikipedia

• Point Retreat Light — Infobox Lighthouse caption = location = Admiralty Island, Lynn Canal, Alaska coordinates = coord|58|24|41|N|134|57|18|W|region:US type:landmark yearlit = 1904 automated = 1973 yeardeactivated = foundation = Concrete construction = Concrete shape …   Wikipedia

• Hexagonal pyramid — Infobox Polyhedron Polyhedron Type=Pyramid Face List=6 triangles 1 hexagon Edge Count=12 Vertex Count=7 Symmetry Group= C 6v Vertex List=6(32.6) (36) Dual=self dual Property List=convex In geometry, a hexagonal pyramid is a pyramid with a… …   Wikipedia

• Point group — The Bauhinia blakeana flower on the Hong Kong flag has C5 symmetry; the star on each petal has D5 symmetry. In geometry, a point group is a group of geometric symmetries (isometries) that keep at least one point fixed. Point groups can exist in a …   Wikipedia

• Point groups in two dimensions — In geometry, a point group in two dimensions is an isometry group in two dimensions that leaves the origin fixed, or correspondingly, an isometry group of a circle. It is a subgroup of the orthogonal group O(2), the group of all isometries which… …   Wikipedia

• Point of Shoals Light — Infobox Lighthouse caption = Undated photograph of Point of Shoals Light (USCG) location = In Burrell Bay on the James River coordinates = coord|37.0683|N|76.6530|W|type:landmark yearlit = 1855/1871 automated = 1932 yeardeactivated = 1933… …   Wikipedia