I've started trying to make a robe for a figure, this is the result of a quick test that might be of interest.

The robe is single-sided geometry from Marvellous Designer, has its own material zone and is using a Cycles root to render different materials on the front and back facing polygons like this -

The yellow pieces are separate unwelded meshes added to the obj file from MD in Modo Indie. I made pipes using the Tube tool and gave the geometry its own separate material zone. The edge loops for the pipes were snapped to the vertices of the cloth mesh - as the vertices of the decorated group will follow the vertices of the underlying cloth, I think getting vertex position and density to match closely is important.

I also gave the piping a separate polygon group in Modo to make it easy to add as a soft decorated group in Poser. It's not perfect but does seem to work reasonably well so far to create the illusion of thick cloth.

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