#include "/home/matt/povray/includes/colors.inc"
#include "/home/matt/povray/includes/shapes.inc"
#include "/home/matt/povray/includes/textures.inc"
#include "/home/matt/povray/includes/metals.inc"
#include "/home/matt/povray/includes/woods.inc"
global_settings
{
  assumed_gamma 2.2
  ambient_light rgb <1,1,1>
}

#declare blade_part =  union {

#declare radi = 0.5; // radius
#declare sw = 1; // length of polished
#declare rati =2.5; // length of edge as ratio of polished

cylinder { <-sw ,0,0> <sw,0,0> radi texture {T_Chrome_5A}  // pigment {color White} 
rotate <0,0,0> translate <0,0,0>}

cone { <0,0,0> radi <sw*rati,0,0> 0 texture {T_Chrome_5A} //pigment {color White} 
rotate<0,0,0> translate <sw,0,0> }

sphere { <0,0,0> radi texture{T_Chrome_5A} //pigment {color White}
scale <0.25,1,1>
rotate<0,0,0> translate<-sw,0,0> }

sphere { <0,0,0> radi texture {T_Chrome_5A} // pigment {color White}
scale <0.25,1,1>
rotate<0,0,0> translate<sw,0,0> }
}

#declare blade = union {
#declare i = 0 ;

#while (i < 10000) 
object {blade_part translate <-(i*i)/5000000,0,i/50>} // x value controls curvature
#declare i = i + 1 ;
#end 
}

blade 

// ----------------------------------------

camera
{
  location <0,3.5,0>*100
  direction 1.5*z
  right     4/3*x
  look_at   <0.0, 0.0,  100.0>
}

sky_sphere {
	pigment { gradient y color_map { [0 color Blue] [1 color White] }
	scale 2 translate -1 }

}

light_source
{
  0*x // light's position (translated below)
  color red 1  green 1  blue 1 
  translate <30, 30, -30> *2000
}

light_source
{
  0*x // light's position (translated below)
  color red 1  green 1  blue 1 
  translate <-30, 30, -30> *200
  shadowless
}

plane { y, -2 pigment {color rgb <0.3, 0.7, 0.6> } }