Multistory Rooms

I’d love to see the option to open the floor of an upper room to the room beneath it, being able to give a feeling of a multistory engineering bay or something. Basically a blueprint akin to the moon pool that puts holes in the floor, but there has to be viable space up to a matching wall in the room above/below. You could then make catwalks or elevated walkways with ladders attached to the lip. Also, like the moon pool, a ‘lip’ option that adds or removes railing. It would default to being a railed opening, but you can open a hole for the ladder to connect.