have a nice day. I tried to model a meeting room using beams with large spans ranging from 16 to 18 meters. This is the first time I will make such a large span structure. Is the flooring system I made with the main beams correct or do I have to use the cassette flooring toolbar? and the upper deck of the building will be used as a navigable area. Are the downloads sufficient? As it stands, there does not appear to be a problem, but I will ask your help in clarifying the situation. I wish everyone good work.