Gave myself the task to make a somewhat convincing LEGO material that could run in real-time with the use of Lumen and Nanite, i really like the results, i wish unreal had better capabilities for Glass rendering, but other than that i'm pretty satisfied with how it came out.
Material principles are based on this awesome post by Stefan Müller! https://stefanmuller.com/exploring-lego-material-part-3/
Tweaking material instance in real-time
Toy like SSS