Push And Pull Distortion

To distort an object by pulling or pushing its base point.

Command:
Menu【Transform > Push and Pull Distortion】                    Transform Bar                                  

Steps：

        1. Select an object.

   2. Click Menu 【Transform > Push and Pull Distortion】.

        3 Move the cursor onto the base point

        4 the cursor changes into +

   5 hold and drag the left mouse button to distort the object.