Simon Fuchs created awesomely extensive tutorial that covers his hardsurface process from initial blockout to final lighting and presentation in Marmoset Toolbag 2. The tutorial features 40 hours of material and is well worth the $44 price tag.
Check it out on Cubebrush: https://cubebrush.co/hardsurface3d/products/5dhtuw
Note: use discount code HS30OFF for 30% off.
