It's been a long journey (over year since I began), but there's finally now a first public release of the oblique hachures method. With many thanks to @SouthArrowMaps, who significantly refined the methodology from what I began with.
Writeup: https://docs.google.com/document/d/1GFSgxLI5F2UOevCXBG22GBKVbpuKddTl7MoBTrPHB3s/edit?tab=t.0
Script: https://github.com/pinakographos/non-planimetric-hachures





