revit / fbx workflow

[fredrik77]

Hi all, here's my first message, and i would like to get some tips to improve my workflow with keyshot.

i have some furniture in revit format... usually i'm working with dwg coming out directly from revit, but the curve quality is poor.
I'm trying to play with the fbx format (out from revit) and i have better results in terms of surfaces quality.

My problem is: the furniture has a lot of nested families, and in keyshot (fbx) the group is showing only the last family, so i'm not able to assign the materials to the different parts.
There is a workaround for this here in KS or in revit?

thanks a lot, and sorry for my bad english but is not my native language.