Hi Кирилл -
To answer your original question from that thread:
With out-of-the-box Rhino, there is no easy way to do that, no.
You could take a look at some of the other terrain modelling plug-ins or you’ll have to come up with a way to do that yourself.
- New: TerrainMesh plugin (in alpha/beta)
- Lands Design | Food4Rhino
- https://www.food4rhino.com/en/browse?searchText=terrain&form_build_count=1&sort_by=score&items_per_page=100
-wim