Brilliant set lighting breakdown here using Arnold by Alex Mateo.

Note that there is a small charge and it’s in Spanish (with English subtitles) but well worth a watch!

More here.

Rendering Whimsical Bifrost Strands with Arnold’s Toon Shader

Class is in session. Learn how to render complex Bifrost patterns with Arnold’s Toon Shader from Arnold Rendering Specialist, Lee Griggs.

https://makeanything.autodesk.com/vision-series-at-siggraph-2021?s=03