Edit Menus
Edit: Duplicate [Command D]
Makes a clone of the currently selected model. The duplicate is placed directly on top of its twin.
  1. Select the object you wish to duplicate.
  2. Choose Duplicate from the Edit menu or type Command D. A copy of the object will be pasted directly on top of the original.
  3. The duplicate is the currently selected model, so you can now move, resize, reshape, etc... this object.