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Topic: Tetrakis hexahedron

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	Poliedri
		Hence, the hexahedron is the dual of the octahedron.
		The invisible core of the star polyhedron is the hexahedron; the surface of this solid is composed of 24 equilateral triangles, 14 vertices and 36 edges.
		The dual of the tetrakis hexahedron is the truncated octahedron from the tetrakis hexahedron.
	www.gicas.net /poliedri_text.html (4932 words)

	Tetrakis Hexahedron Encyclopedia Article @ ClearestDiamonds.com (Clearest Diamonds) (Site not responding. Last check: 2007-11-03)
		A tetrakis hexahedron is a Dihedral angle which looks a bit like an overinflated Overviews.
		fluorite shaped like the Tetrakis hexahedron are occasionally used by Face configuration.
		The Tetrakis hexahedron is the projection envelope of the A-Z Index under a vertex-first The Uniform Polyhedra.
	www.clearestdiamonds.com /encyclopedia/Tetrakis_hexahedron (357 words)

	Tetrakis square tiling - Wikipedia, the free encyclopedia
		In geometry, the tetrakis square tiling is a tiling of the Euclidean plane.
		It is the dual tessellation of the truncated square tiling which has one triangle and two octagons at each vertex.
		It is topologically related to the polyhedron tetrakis hexahedron, V4.6.6
	en.wikipedia.org /wiki/Tetrakis_square_tiling (191 words)

	Rigid stellate non-rectilinear polygons forming a family of concave polyhedrons having discrete interiors and exteriors ...
		The structure according to claim 1, wherein the plurality of basic rigid-stellate polygonal modules form octahedrons and tetrahedrons, and wherein the octahedrons and the tetrahedrons are joined to form several different substantially spherical complexly concave polyhedral structures.
		The structure according to claim 1, wherein the plurality of basic rigid-stellate polygonal modules form tetrahedrons which are joined into groupings of hexahedrons, and wherein the hexahedrons are joined to form several different substantially ellipsoidal complexly concave faceted polyhedral structures.
		The overall form of this polyhedron as formed by the adjacency of the base corners of the octohedrons at the exterior is a larger octohedron with additional tetrahedrons located at the center of the faces of the exterior triangular sides of the octahedron.
	www.freepatentsonline.com /6070373.html?highlight=4611441 (10737 words)

	Tetrakis Hexahedron
		So a Hexagon is a 6 sided shape and aH exahedron is a 6 faced shape.
		The word tetrakis means to add a square point to every face.
		Below are the main properties of the Tetrakis Hexahedron:
	home.btconnect.com /shapemakingclub/shapenets/25tetrakishexahedron.html (81 words)

	Amazon.com: "triakis octahedron": Key Phrase page (Site not responding. Last check: 2007-11-03)
		Truncated tetrahedron H Triakis tetrahedron Cuboctahedron -* Rhombic dodecahedron Truncated cube.+ Triakis octahedron Truncated octahedron H Tetrakis...
		The Pollock/Warriner module is related through transformation to the tetrakis hexahedron (Figure 2.62a) and the triakis octahedron (Figure 2.62b)- stellation-like derivatives of the cube and octahedron, respectively.
		rhombic dodecahedron (2), triakis octahedron (3), tetrakis hexahedron (4), deltoidal icositetrahedron (5),...
	www.amazon.com /phrase/triakis-octahedron (457 words)

	Möbius Deltahedra
		We direct our attention to a unique set of five highly symmetric non-convex deltahedra which appear in the above image of six figures rendered by Rolf Asmund.
		The last figure in the bottom row represents a "stellated cube" (more technically an equilateral tetrakis hexahedron) which has a similar origin as the others but, as you will see later, it does not satisfy the special symmetry requirements of the other five cases.
		The symmetry relationships that distinguish our five cases evoke both mathematical interest and esthetic pleasure.
	www.superliminal.com /geometry/deltahedra/deltahedra.htm (1556 words)

	The 24-Cell
		These 6 cells would be hidden from view if a 4D viewer were looking at the 24-cell from this viewpoint.
		The vertex-first perspective projection of the 24-cell has the same structure as described for the orthographic projection, except that due to foreshortening, its equitorial cells are not completely flat and so its envelope is a tetrakis hexahedron.
		The following diagram shows this perspective projection, with hidden cells omitted.
	eusebeia.dyndns.org /4d/24-cell.html (795 words)

	diamond (Site not responding. Last check: 2007-11-03)
		Sometimes they have rounded off and is an important aspect of synthetic diamond is a cube, octahedron, rhombicosidodecahedron, tetrakis hexahedron or form (or allotrope) of diamonds for industrial use as drill bits and high pressure is well-suited to grow larger.
		Unlike many facets that crystallizes with hexagonal symmetry; it useful of about 150 kilometers (90 miles), where meteors strike the diamond formation of a very soft, dark grey opaque mineral.
		It useful of the surface of conflict diamonds are produced as with a cube, octahedron, rhombicosidodecahedron, tetrakis hexahedron or form the de beers group misuses its name.
	diamond.johnfl.com (5953 words)

	Koplow D24 True 24-Sided Die - Blue : AdvancingHordes.com
		Use keywords to find the product you are looking for.
		The earlier versions of Dungeons and Dragons provided eight uses for a Tetrakis Hexahedron shaped die having 24 faces.
		You can use it to generate hours in a day, or replace a D20 for a to-hit roll when the attacker is somehow blessed.
	www.advancinghordes.com /product_info.php/cPath/61_15/products_id/732 (195 words)

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