Chris Johnson wrote:
> The rust texture isn't very good - does anyone know of a better one?

I like the rust texture, but if you want something else you can try 
this. (I included an example scene with source, too)


#declare MaskSubTex_1 =
texture{
   pigment{
     rgb 1 //.1
   }
   finish{
     metallic
     diffuse .7
     specular .5
     roughness .001
     reflection .17
     brilliance 4.8
   }
   normal{MaskNormal}
}

#declare MaskSubTex_2 =
texture{
   pigment{
     rgb <.95*1, 1, .95>//*.91
   }
   finish{
     metallic
     diffuse .5
     specular (.1 + .5) / 2
     roughness (.1 + .001) / 2
     reflection .06
     brilliance (2.8 + 4.8) / 2
   }
   normal{MaskNormal}
}


#declare MaskTex_1 =          //Metal
texture{
   dents
   scale 1.45
   turbulence .6
   texture_map{
     [0.0 MaskSubTex_1 scale 1]
     //[0.05 MaskSubTex_1]
     [0.85 MaskSubTex_2 scale 1]
     [1 MaskSubTex_2 scale 1]
   }
}

#declare MaskTex_2 =    //Rust
texture{
   pigment{
     bozo
     color_map{
       [0 rgb <1, .9, .8>/1.05/1.2]
       [1 rgb <1, .85, .8>/1.25/1.3]
     }
     scale .25
   }
   finish{
     metallic
     specular .1-.05
     roughness .006
     //reflection .02
     brilliance 4
   }
   normal{
     bumps -.3
     scale <.02, .04, .04>
   }
}

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