Help creating rock surface

Anybody have tips on how to create this in Rhino?

if it’s only for viz purposes i’d use a surface or sub-d and then use some maps fro megascans like i did here:

Thanks Nachetz Its for printing so need it to have the texture.

This video may not particular to your case. But provide inspiration.
For modeling something with rich 3d texture.

  1. you need a surface for overall shape.
  2. perpare a rock texture and apply it onto the surface.


In that case i’d switch to Blender or ZBrush and try sculpting with rock brushes, in rhino may be to hard and complex