Scaling

You can scale selected objects by using either the Action Bar or the resize and rotation handles .

1. Click the object, objects, groups, or individual nodes on one or more objects.
2. Drag a side or corner handle to scale. Hold down the SHIFT key to scale while maintaining the height/width proportions. Hold down the ALT key to scale around the point of transformation (which is, by default, the center point of the bounding box).

The original large shape being scaled down by dragging a corner handle.

When the same object is scaled up while the ALT key is held down, the object scales around the point of transformation (in this case the center point).

Tip: You can scale and duplicate your selection at the same time by holding down CTRL+ALT while dragging a handle.

Action Bar

You can scale a selected object with the Action Bar by:

1. Select the reference point by clicking the icon on the left side of the Action Bar . For example, if you want the lower-left corner of your object to remain in place while the rest of the object scales, click on the lower-left corner of the reference point icon.
2. Adjust the W and H (width and height) sliders by dragging them, or if you want to type a numeric value, by clicking them. If you want to scale by a specific percentage, click Scale as Percentage from the Transform options  drop-down list.

Scaling by percentage in the Action Bar