Or through the mirror to the transformation tools, horizontal and vertical mirror, and copy.
2.9.2 Object Rotate
Click Edit Bar ，will pop up the dialog of rotate angel setting.
Set rotate angle and click the button【OK】.
If you want to drag rotation, set rotate angle 0,and determine.
Dragging the mouse to adjust the rotate angle, in the dragging process, there will be
followed by rotating wire-frame outline.
