#version 3.5;
#include "colors.inc"
#include "functions.inc"

camera {
 location < 0,20,45>
 look_at < 0, 0, 0>
}

light_source {<50,5,0> color White}
light_source {<-50, 150,-75> color White*0.35}

background { color <0.094,0.184,0.337> }

#declare arrr=function{pow((pow(x,2)+pow(z,2)),0.25)}

isosurface {
 function {y- sin(0.1+100/arrr(x,y,z))}
        threshold 0
 max_gradient 1.05
 contained_by{ box {-100,100}}
        accuracy      0.0001
 pigment{rgb <.6,.6,.2>}
 finish{ambient 0.3}
}
>
>

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