Im am still a novice with povray, which means i dont understand a lot 
about povray. How do i go about creating a rough surface (for example 
the randomness/roughness of the surface of a rock). From what i have 
read so far I can use an isosurface to achieve this, or is there 
something else that will work better.

If isosurface is the way to go how can i apply it to a object that i 
have declared / created?

Regards
Martin.

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