AutoCAD 2008 User's Guide > Work with 3D Models > Create 3D Models > Add 3D Thickness to Objects > 
Add 3D Thickness to Objects
Concept Procedure Quick Reference
 
 
 

To change the 3D thickness of existing objects

  1. Select the objects whose 3D thickness you want to change.
  2. Right-click one of the objects. Click Properties.
  3. In the Properties palette, select Thickness and enter a new value.

    The selected objects now display the specified 3D thickness.

 Toolbar: Standard 
 Command entry: PROPERTIES