2008

Objects in a scene can be XRefs from other scenes. They can be transformed and
positioned in the scene using a local offset.
When an XRef object is loaded into the master file, it can have an
XRef
material
on page 5603 as well as an XRef controller on page 3194 assigned to it.
You can either merge the material and transform information or you can
maintain it as a live connection with the source file.
XRef objects can be modified or transformed in your master scene just like
any other object. XRef objects also allow the use of proxy objects to stand in
or substitute for geometry. Use XRef objects to manage the complexity of your
master scene during animation by substituting “lightweight” proxy objects
for more complex geometry.
You can create a proxy by simplifying a clone of your existing model or you
can build simple substitute objects like boxes or cylinders, or you can save a
External References (XRefs) | 6733