gtramont parent
This is amazing! Thanks for the link.
You may follow Sergey Slyusarev (dev of 'fiziko) on Twitter to see some WIP works.[0]
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