background { color rgbf < 0, 0, 0 > }

//
////
//

#declare CameraLocation = < 30 , 0 , 3 >;

// panoramic lens for wide field of view with less distortion
camera {
  orthographic
  location CameraLocation              // position
  look_at  <0, 0,  0>                  // view
  sky      < 0 , 0 , 1 >
}

light_source { CameraLocation color rgb < 0.5, 0.5, 0.5 > }
light_source { < 25 , 0 , 25 > color rgb < 1, 1, 1 >  }


#declare DefaultFinish = finish {
  ambient 0.2
  diffuse 0.7
  reflection 0.0
  // metallic
  brilliance 1.0
  phong 0.3
  phong_size 50
  specular 0.0
}

#declare Proportion = 0.25 ;
#declare C_Radius = 1.5 * Proportion ;
#declare C_Color = color rgb < 0.4 , 0.4 , 0.4 > ;

#declare BondRadius = 0.15 ;

#include "0303r.povinc"

object {
	Nanotube
	rotate < 0 , 90 , 0 >
}