Am 15.06.2010 01:31, schrieb SharkD:

> difference
> {
> cylinder {<0,0,in_star.z-0>, <0,0,in_stop.z+0>, in_star_height}
> cylinder {<0,0,in_star.z-1>, <0,0,in_stop.z+1>, in_stop_height}
> plane {+x, 0 rotate z * in_star_z_angle}
> plane {-x, 0 rotate z * in_stop_z_angle}
> bounded_by {cylinder {<0,0,in_star.z-0>, <0,0,in_stop.z+0>,
> in_star_height}}
> }

That bounded_by gives you no benefit; try computing a snugly fitting box 
instead.

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