A solid tessellation; a filling of three-dimensional space with polyhedra such that a faceof one polyhedron is the faceof exactly one other polyhedron.
一种立体嵌图；用多面体对三维空间的装填，使得一个多面体的面恰是另一个多面体的面。
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The processes of 3d buffer creation for point, line, face and convex polyhedron are introduced in detail in the paper.