Using triangles will be faster - you have the same # of triangles as
planes.  Finding ray-surface intersection for triangle is marginally
slower than w/ plane, however there's a big overhead to do the CSG for
the planes.

Of course, you might want the polyhedron to be solid...

Xander

Andrea Ryan wrote:
> 
> Which way of making polyhedra is faster: using triangle meshes or
> intersections of planes like those in the shapes2.inc file?
> Brendan

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