Ferd took a model with over 800 parts then used Blender modifiers to clean edges, and a script that helped to reduce the level of detail. He made it six layers of over a hundred parts each then stacked it on top of the mountain.
three.hills.grid.outworldz.net:8002:SkyRealm Thank you Ferd, for more info about the script:
https://www.reddit.com/r/DreamGrid/comments/1jhd3aa/tips_f...