Jake Blanz wrote:

>Does anyone know how to perform CSG operations on flat
>objects. I would like to do the following;
>
>     difference{
>          triangle {<0.7,0,1.6>,<-0.7,0,1.6>,<0,2.9,5.7>}//C
>          triangle {<0.2,1.9,4.3>,<
>          -.2,1.9,4.3>,<0,2.85,5.65>}  //front 
>cockpit
>     }
>
>and get the first triangle with the second cut out of it.


If it is for this specific shape, you can make it with the 
polygon object.

Ingo

-- 
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