The corners for the octahedron would be:
 Corner1 = <0,1,0>
Corner2 = <1,0,0>
Corner3 = <0,0,1>
Corner4 = <-1,0,0>
Corner5 = <0,0,-1>
Corner6 = <0,-1,0>

Just make triangles out of these. This will give you the fastest octahedron.

#mesh {
 triangle {Corner1, Corner2, Corner3}
 triangle {Corner1, Corner3, Corner4}
 triangle {Corner1, Corner4, Corner5}
 triangle {Corner1, Corner5, Corner2}
 triangle {Corner6, Corner2, Corner3}
 triangle {Corner6, Corner3, Corner4}
 triangle {Corner6, Corner4, Corner5}
 triangle {Corner6, Corner5, Corner2}
} /* end mesh */

 -Shay



 -Shay

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