tes·sel·la·tion /ˌtɛsəˈleʃən/
  鑲嵌裝飾,棋盤形布置,鑲嵌式鋪裝
  Tes·sel·la·tion n. The act of tessellating; also, the mosaic work so formed.
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  tessellation
       n 1: the careful juxtaposition of shapes in a pattern; "a
            tessellation of hexagons"
       2: the act of adorning with mosaic