2D Techniques - How to paint over 3D renders

My new course is out! I demonstrate how I paint over renders demonstrating a variety of 2D techniques, taking a lack-luster 3D render and turning it into a rennaisance/expresionist inspired painting.
Links:
Artstation - https://artstn.co/m/DNrOx
Gumroad - https://reubenlane.gumroad.com/l/eybps