#version 3.7;
global_settings{ assumed_gamma 1.0 }

#declare Focus=2.1;
camera { orthographic
location -10*z
direction z
up Focus*y
right Focus*x
}
#include "colors.inc"
background { White }
#default{ finish { emission 1.0 diffuse 0.0 reflection 0.0 } }

box { <-1,-1,0>,<1,1,0> texture { checker
 texture { pigment { color rgb <1,0.5,0.5> }  }
 texture { pigment { color rgb <1,1.0,0.5> }  }
}
translate z
}

#declare Off=0.05;
#declare Small=0.15;
cylinder { <-1,-1,0>,<1,1,0>,0.01 texture { pigment { color red 1 }}}
cylinder { <-1,1,0>,<1,-1,0>,0.01 texture { pigment { color red 1 }}}
cylinder { <-1,0,0>,<0,1,0>,0.01 texture { pigment { color red 1 }}}
cylinder { <1,0,0>,<0,-1,0>,0.01 texture { pigment { color red 1 }}}

cylinder { <-1,-1+Small,0>,<1-Small,1,0>,0.01 texture { pigment { color blue 1 }}}
cylinder { <-1+Small,-1,0>,<1,1-Small,0>,0.01 texture { pigment { color blue 1 }}}
cylinder { <-1,1-Small,0>,<1-Small,-1,0>,0.01 texture { pigment { color blue 1 }}}
cylinder { <-1+Small,1,0>,<1,-1+Small,0>,0.01 texture { pigment { color blue 1 }}}
cylinder { <-1+Small,0,0>,<0,1-Small,0>,0.01 texture { pigment { color blue 1 }}}
cylinder { <-1,0+Small,0>,<0-Small,1,0>,0.01 texture { pigment { color blue 1 }}}
cylinder { <1-Small,0,0>,<0,-1+Small,0>,0.01 texture { pigment { color blue 1 }}}
cylinder { <1,0-Small,0>,<0+Small,-1,0>,0.01 texture { pigment { color blue 1 }}}

#declare Rad = 0.01;
sphere_sweep{
cubic_spline 
16,
<-1.5,0,0>,Rad,
<-1,0,0>,Rad,
<-0.6,0,0>,Rad,
<-0.7,0.1,0>,Rad,
<-0.3,0.1,0>,Rad,
<-0.4,0,0>,Rad,
<-0.2,0,0>,Rad,
<0,0,0>,Rad,
<0.2,0,0>,Rad,
<0.4,0,0>,Rad,
<0.3,-0.1,0>,Rad,
<0.55,-0.2,0>,Rad,
<0.7,-0.1,0>,Rad,
<0.6,0,0>,Rad,
<1,0,0>,Rad,
<1.5,0,0>,Rad
texture { pigment { color rgb 0 } } }
sphere_sweep{
cubic_spline
19,
<0,1.5,0>,Rad,
<0,1,0>,Rad,
<0,0.6,0>,Rad,
<-0.1,0.7,0>,Rad,
<-0.1,0.3,0>,Rad,
<0,0.4,0>,Rad,
<0.1,0.1,0>,Rad,
<0.1,0.01,0>,Rad,
<0.1,0,0>,Rad,
<0,0,0>,Rad,
<-0.1,0,0>,Rad,
<-0.1,-0.01,0>,Rad,
<-0.1,-0.1,0>,Rad,
<0,-0.4,0>,Rad,
<-0.1,-0.3,0>,Rad,
<-0.1,-0.7,0>,Rad,
<0,-0.6,0>,Rad,
<0,-1,0>,Rad,
<0,-1.5,0>,Rad
texture { pigment { color rgb 0 } } }

cylinder { <-0.5-Off,0,0>,<-1+Small+Off,0,0>,Rad*3 texture { pigment { Green } } translate +z}
cylinder { <-Small-Off*2,Off,0>,<-0.5+Off,0.5-Small-Off*2,0>,Rad*3 texture { pigment { DarkGreen } } translate +z}
cylinder { <-0.5+Off,0,0>,<-Small-Off,0,0>,Rad*3 texture { pigment { Yellow } } translate +z}
cylinder { <-1+Small+2*Off,Off,0>,<-0.5-Off,0.5-Small-2*Off,0>,Rad*3 texture { pigment { Gray50 } } translate +z}