the dev team is working on some new cool APIs for the viewer that will certainly help you create cool stuff around the viewer. Here's what will be coming in a near future:
- listing objects in a scene
- showing/hiding objects
- moving objects (translation/rotation)
With these APIs, you will be able to make models more interactive. Here's a sneak peek video at what can be done with the show/hide API for instance:
What do you guys think?