Here's the render setup for the "Packing The Torus" scene. It uses the old instancing workflow for particles in Redshift, instead of packed prims, but this workflow is still valid. Be aware that all shaders are still defined in the shop context. Since H16 they moved to the mat contex.
This setup makes use of the "Old Industrial Hall" HDRI from
http://www.hdrlabs.com/sibl/archive.html