I did a breakdown of the layers here. Maybe 118 layers in total grouped into 10 categories here. Used Thea for the reflection pass. I will be doing illustration breakdowns and tutorials with SketchUp at basecamp if I catch any of you there.
https://cdnb.artstation.com/p/assets/images/images/009/378/963/large/liam-keating-ins9.jpg?1518638245
https://cdn-enterprise.discourse.org/sketchup/uploads/default/original/3X/2/f/2f56a3d249d292f4a9c23c9bdb52719a3a2b46fb.jpg