Anemone flow

[Baris]

You may also want to take a look here:

Heat map of water flow on mesh terrain

This thread gave me the idea to do some research on this topic, and I found this paper: I poorly implemented the algorithm(on the left), on the right side a drain script on the base of @AndersDeleuran’s python version: [grafik] Both overlayed: [grafik] Maybe someone finds it useful. The excessive use of classes is just for fun and practice. File:20211031_Drain.gh (103.0 KB)