Regions from self-intersecting polyline

[laurent_delrieu]

Hello
You could look at that

For the sake of simplicity - help!

Hello I don’t understand your question. If it is a question of coloring a “Map”, just use Map colouring Theory. I made a small script for that. You specify the number of color, and the algorithm try. The only tricky part could be the frontier check, but it seems to work here. [image] Logo Losange_LD.gh (21.6 KB)