Here are a couple other ideas:
1. With solution linked to Model cell, set "File > Options > Geometry > Beam Cross Section (for solver)" to "mesh" before solution in the upstream system.
2. Another idea would be to right click on geometry in the deformed system (solution linked to Model cell) and export the pmdb file. Open the pmdb file in DesignModeler, and you can reorient the cross sections on the beams for any that are wrong.
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