AutoCAD 2008 User's Guide > Create and Modify Objects > Change Existing Objects > Modify Objects > Copy, Offset, or Mirror Objects > Mirror Objects > 
Mirror Objects
Concept Procedure Quick Reference
 
 
 

To mirror objects in 3D

  1. Click Modify menu 3D Operations Mirror 3D.
  2. Select the object to mirror.
  3. Specify three points to define a mirroring plane.
  4. Press ENTER to retain the original objects, or enter y to delete them.
 Command entry: MIRROR3D