Arbortext IsoDraw > User's Reference > Menus > Edit Menu > Paste > Pasting in 3D Mode
  
Pasting in 3D Mode
The paste command works in exactly the same way in 3D mode as it does in the 2D mode.
The Paste > with options command cannot be selected in 3D mode.
All copied objects, groups, and elements are pasted into the same or a different file.
You can read how the Copy and Paste commands are used in 3D mode in Copy.