I feel dumb as a box of rocks (affirmations are not required)  I'm wanting to place acoustical ceiling with  wall and "T" mold in all rooms. I set the default for room / floor and edited the ceiling to have the lay in tile and grid.  I selected each room, used make room poly line, and converted to a 3-D molding poly line set the molding to be the Ceiling Tile wall Mold and set the height same as my finish ceiling height is supposed to be.  I then set up my "T" grid using first center lines (draw