@CarlCraft I think you first need to narrow your references to one geographical area. Rocks vary a lot from one place to another, due to climate, geology etc... According to your references, I'd probably have a look at either south west coast of Portugal or alongside the Great Ocean Road near Port Campbell in Victoria,…
@ mats effect & L_Straker, Your rocks are beautiful but I think you could make 2 or 3 simpler rocks and merge them together to achieve the results you have now. The difference is that the cracks will look way more natural and easy to emphasize. Here are a 3 cartoon rocks I made for fun And those are rocks I just made for…
I didn't used anything special: in Z-brush, I used the TrimSmoothBorder brush to sculpt the the main silhouette, then I used the Standard brush with a focal shift very sharp (around -95) trying to do that circular shape you can usually find on glass. For the texturing part, I just selected some random color values on my…