Tangentially related: fiziko [0], a MetaPost library that can draw old-style physics illustrations. This is not my software.
Also, take a look on Kristof Dedene's procedural hatching and manga shaders in Blender.[1]
[0] https://twitter.com/cphlmy/status/1153433765072576520
[1] https://twitter.com/KDedeneArt/status/1332063491218399232