We have added some new examples for Rhino to the sample scenes page. To work with these scenes, you should use the most recent Bella 20.13 from the the builds page.
Porsche 907 Longtail
This model is courtesy of McNeel, modeled by Kyle Houchens using Rhino 7 SubDs, and demonstrates how to put together various types of materials:
Wedding band with white backdrop
This is a white-backdrop version of the wedding band scene previously uploaded: