/* I would like to rotate the object below by 360 degrees around an axis,
(say, the z-axis),
to get a bowl-like rotated object.  Is this possible?  Please help.  TIA.

Thanks!
Todd
tta### [at] netrelatedcom
*/

#include "colors.inc"
  background{White}
  camera {
    location <20, 80, -.1>
    look_at <0, 1, 0>
  }
  light_source { <20, 20, -20> color White }
  prism

    linear_sweep
    cubic_spline
    0,
    1,
    9,
    <300,-75>, <3,5>, <-3,5>, <-5,0>, <-3,-5>, <3, -5>, <5,0>, <3,5>,
<-50,-50>
    pigment { Green }
  }

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