Once a Boolean body is finished, it can be incorporated in the library of 3D objects. 

This will enable it to be positioned in additional scenes in the same way as all other library objects. 

It must, however, be borne in mind that the Boolean group can then no longer be edited. 

Holes that have been generated cannot be moved any more or have their dimensions changed. 

The command to perform this is Convert to 3D object and it can be called up with a right click via the context menu. 

Once the command has been executed, the object will be found in the library.

Converting a Boolean group into a 3D object