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Truncated order-7 triangular tiling : ウィキペディア英語版 | Truncated order-7 triangular tiling
In geometry, the Order-7 truncated triangular tiling, sometimes called the hyperbolic soccerball,〔(HOW TO BUILD YOUR OWN HYPERBOLIC SOCCER BALL MODEL )〕 is a semiregular tiling of the hyperbolic plane. There are two hexagons and one heptagon on each vertex, forming a pattern similar to a conventional soccer ball (truncated icosahedron) with heptagons in place of pentagons. It has Schläfli symbol of t. == Hyperbolic soccerball (football) == This tiling is called a hyperbolic soccerball (football) for its similarity to the truncated icosahedron pattern used on soccer balls. Small portions of it as a hyperbolic surface can be constructed in 3-space.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Truncated order-7 triangular tiling」の詳細全文を読む
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