Image Scaling

Description
The Image Scaling tool scales an image that was imported with the Image plane tool.

How to use

 * 1) Press the  button.
 * 2) Click a first point on the 3D view.
 * 3) Click a second point on the 3D view.
 * 4) Select an existing image plane from the Model tree, created with the  tool.
 * 5) Add a distance in millimeters and press.