Hi @Tom,
I have not yet tested the new Max → Shapespark plugin. With the FBX transfer so far, it is a really a separate object in Shapespark.
Shapespark can recognize it as an instance.
You can test your scenes to see if it is an instance by adding to the end of your url #debugbuffers
(shows which objects were detected to be copies of other objects (such copies reduce scene download size).
Pointer for Teleporting - #7 by jan