Experiments Making Realistic LEGO Materials

To learn how to make more realistic Blender materials and renders I decided to remake a LEGO model that actually exists in real life and then compare it with photos of the same model. The one I picked was the 1970 Ferrari 512 M (https://www.lego.com/en-us/product/1970-ferrari-512-m-76906). I made the model in LeoCAD and then I exported it to Blender. I had to improve some LEGO bricks to make them smoother and I also had to paint the stickers myself in Paint.NET. After making a million experiments with light and material settings I managed to produce something that looks like the reference. BUT I actually think they use digital models on the website as well because the reference is too smooth to be a real photo. I know IKEA is only using digital models as well...

Because LEGO are most likely using digital models on their website, I went on to vacuum clean Google on how to make realistic LEGO materials. I found this article: https://stefanmuller.com/exploring-lego-material-part-1/ which I decided to recreate in Blender (the author is using some other software). You can download my version of the material here: https://habrador.itch.io/blender-lego-material