Depending on how you select the parent takeoff object, Attachments can be copied when the Parent is selected.
Examples
The first image shows both the Parent and the Attachment selected - indicated by the yellow highlight surrounding both takeoff objects. The easiest way to do this is to using Roping to select both of the objects (see the Related article for information on the various ways to select objects).
Parent object selected by roping
When copied, both the Parent and Attachment objects are pasted to the new location.
This example shows only the Parent selected (notice the small boxes at the end of the takeoff object indicating that it is the only selected object on the current page).
Parent object selected by clicking on it
When copied, only the Parent (the linear object) is pasted to the new location. You can always takeoff the Attachment object again, if necessary.
Note
Attachments cannot be copied/pasted separately from their Parent objects (you cannot copy/paste a 'door' for example because it has to be placed on a specific piece of Linear takeoff). Copying and Pasting Area Backouts | Rotating and Spinning Takeoff Objects  |
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