[Suggestion] Add downward beam placement options
Please add a downward orientation for Slanted Beams similar similar option for Wood Wall Angled. This can be done through the <hold>R option. For the graphics, - for the upward orientation, add a greyed vertical beam to the left with the upward slanted beam attached at the base - for the downward orientation, add a greyed vertical beam to the left with the downward slanted beam attached at the top.