CreeD wrote:
> 
> Hi,
>  I see that POV has a basic triangle built in shape, but I'm looking to do
> some CSG involving a large triangular shape.  What I'm eventually looking
> for is a prism on the xz plane with 6 points.  It's shaped like an
> equilateral triangle with the 3 points clipped off.  In other words, viewed
> from above it's a hexagon with 3 long sides and 3 short ones.  The short
> sides should equal exactly 1/3rd of the long ones.  Can someone give me the
> gist of how to come up with some exact coordinates for such a shape (or,
> ideally, post the code?)


Here's another way:

#declare Triang=prism {
   linear_spline
   0, 1, 3
   <-1.732, -1>, <1.732, -1>, <0, 2>
}
   
intersection {
   object { Triang }
   object { Triang scale 1.4 rotate <0, 180, 0> }
   texture { pigment { Blue } } 
}


/Ib

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