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Hello,
I am trying to convert a toposurface from Revit into a solid so that I can cut voids into it (I am modelling a building made from underground tunnels.)
The exported toposurface from Revit comes in as a polyface mesh. I have exploded it into 3D faces, and tried to run the F2S lisp routine.
The routine only seems to be converting one face into a solid, (the lowest face) it will not convert ALL the faces into one solid.
Any suggestions? Thanks


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First you'll want to post the code.
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