Use Grip Modes
 
 
 

To scale objects using grips

  1. Select the objects to scale.
  2. Select a base grip on an object by clicking the grip.

    The selected grip is highlighted, and Stretch, the default grip mode, is active.

  3. Cycle through the grip modes by pressing ENTER until the grip mode Scale appears.

    Alternatively, you can right-click to display shortcut menu modes and options.

  4. Enter the scale factor or drag and click to specify a new scale.
NoteTo copy the selected object while you’re scaling it, press and hold the CTRL key while you’re scaling the object.