Hi All, 
I am using GeometryInfo to draw volumes extruded from surfaces.  This works very simply. 
But when my surfaces contain holes I have a problem of showing them as a real holes. 
My question is : is it possible to draw the hole in the surface using a GeometryInfo ? 
 Please note that I pass all the nodes of the shape and its hole to the GeometryInfo .. 
Thanks for any help .. 
Firas

 

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