// http://xahlee.org/3d/index.html

// a pentagram prism

#include "colors.inc"
camera {
  location <7,15,-9> * .2
  look_at 0
}
light_source {<20, 15, 20> color White}

prism {
  linear_sweep
  linear_spline
  0, // starting height
  1, // ending height
  6, // the number of coordinates below
<1., 0.>,
<-0.809017,  0.587785>,
<0.309017, -0.951057>,
<0.309017, 0.951057>,
<-0.809017, -0.587785>,
<1., 0.>
//,<0.5, 0.>, <0.15, 0.48>, <-0.4, 0.29>, <-0.4, -0.29>, <0.15, -0.48>,<0.5, 0.>

texture{pigment{color Yellow}}
finish {ambient .2 phong .6}
}

plane { <0,1,0>, -0.01 pigment {checker color White, color Gray}}