Creo View eCAD & mCAD

Hello, 

I'm new to Creo View eCAD, but after working with the PTC service team, we are able to open up .pcb files from Siemens Xpedition inside of Creo View eCAD. In demos of Creo View eCAD (which are over a decade old), this can be taken a step further and married to the mCAD model of that circuit card assembly. 

How do we marry eCAD & mCAD files in Creo View so that we can view both as once, like the image below: