由于一个顶点只能有一条法线，所以你还要复制顶点。

Because one vertex can only have one normal, you must duplicate the vertices as well.

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如图3所示，源物体圆锥被复制对齐到几何球体的多边面上，另一些方盒子则被复制对齐到几何球体的顶点上。

Fig. 03 shows, source object Cone copied and aligned to Geosphere's polygons and another object box copied and aligned with vertices of Geosphere.

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