In this tutorial, I'll outline the basics of Freestyle, and take you through my process of setting up a Freestyle pass. These techniques work in both 2.79 and 2.80 so you can follow along in either version. The model is a modified version of a sci-fi set from a comic I did a few years back called "Dear Giang". Here is a sample from the comic, showcasing the original set and renders.
There will be two follow-up tutorials to this: one is for $3+ Patreon backers released next week, outlining how to create a finished scene using the Manga Shader set for materials, and key compositing tricks
Another tutorial will be released next month for $1+ backers, outlining how to create a finished scene using only the compositor.