free models:
https://blendereverything.com/category/free-models/
project file: https://www.patreon.com/posts/76906800?pr=true
/>gumroad project file: https://esmiles.gumroad.com/l/fovyc
geometry nodes screenshots and breakdown:
https://blendereverything.com/2023/01/07/how-to-make-a-procedural-planet-using-only-geometry-nodes/