Hi,
I don't think it is possible, but I haven't really looked that deep into it (most of the times people only export 2D content to DWGs).
But, if you need to use the model in 3DS Max, then it just seems like an unnecessary step. You can directly export to 3DS format from ARCHICAD with
this add-on. That article has links to a user manual and the download page as well.
Regards,
Daniel Alexander Kovacs
Professional Services Consultant
GRAPHISOFT
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