Drag the symmetry line to a new location to change the shape of the converted object. To change the orientation of the symmetry line, drag one of its end points. Click the object to convert it to 3-D.
将对称线拖动到新位置，可以修改转换后的对象的形状。要修改对称线的方向，请拖动对称线的一个端点。单击对象将其转换成三维。