The hard part is not the tracing, but to fill black areas with thin lines. vpyped hatched works: https://github.com/plottertools/hatched https://github.com/pl

The hard part is not the tracing, but to fill black areas with thin lines. vpyped hatched works: https://github.com/plottertools/hatched https://github.com/plottertools/hatched But is very basic. If that is the best that's out there, I am tempted to write my own.