Hi,
Yeah, it is unfortunate that this is not possible. If I understand it right, you would want the rolling shade to be part of the frame, and to roll off in the plane of the outside of the wall.
I couldn't achieve that specifically either, but I think I got pretty close. I just made the top frame higher to accommodate for the size of the shade, and set the shade to "to window". I think everything is in the right position like this, only it is not rolling down in the right direction.
I hope this will help. Alternatively you might find an object that can do this on a manufacturer's website or an object depository (like BIMobject.com).
Regards,
Daniel Alexander Kovacs
Professional Services Consultant
GRAPHISOFT
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