Yes they are isosurfaces.  My math skills are poor at best.  I felt luckly
to get them to look like that!  :)
Here is some of the code I used:

 isosurface {
     function { f_rounded_box(x,y,z,0,0.70,0.85,0.70) - f_noise3d(x*5.2,
y*4.9, z*4.7)* 0.05 }
     contained_by { box { -1 , 1} }
     max_gradient 25
     pigment {RockColor3 translate <0,-1.8,0>}
     scale RockScale
 }

If you could explain how that could be added here I will certainly try that.

Thanks!

Patrick Dugan

"Skip Talbot" <sta### [at] uiucedu> wrote in message
news:3ca9f3cd$1@news.povray.org...
> The coloring on the blade looks very artistic, I like the colors.  I
believe
> that it adds to the scene instead of taking away from it because of
realism.
> The stone bricks are isosurfaces, no?  What if you added a pigment
function
> on top of them giving them a small grain?
> --
>
>
>
> Skip
>
>

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