unfold3d 一展开就出现 one of the polygons has a too small or a too large angle
问题描述：
unfold3d 一展开就出现 one of the polygons has a too small or a too large angle
答
有一个多边形,它有一个太小或太大的角.
unfold3d 一展开就出现 one of the polygons has a too small or a too large angle
有一个多边形,它有一个太小或太大的角.