by Chris Tyler:
Fundamentals Exercise: Scaling Objects
This fundamentals exercise walks through the process of scaling an object. Note: Design 3D CX interface is shown but the operations are the same for SE.
Option + Scale Tool: Center scale (video 1, 1:50)
Shift+Option + Scale Tool: Proportional scale (video 1, 2:05)
Scaling Objects. This is a simple tutorial for new users.
If you want extended basic information about scaling objects, watch the following video.
HERE is the start file for the second video.