AutoCAD 2008 User's Guide > Work with 3D Models > Create 3D Models > Create 3D Solids and Surfaces > Create Composite Solids > 
Create Composite Solids
Concept Procedure Quick Reference
 
 
 

To subtract solids from one another

  1. Click Modify menu Solid Editing Subtract.At the Command prompt, enter subtract.
  2. Select the objects to subtract from.
  3. Press ENTER.
  4. Select the objects to subtract.
  5. Press ENTER.
 Toolbar: Solid Editing 
 Command entry: SUBTRACT
 Dashboard: 3D Make panel, Subtract