Something to ponder for the weekend.   Slab components work on the assumption that they are there until told otherwise by a modifier. This is useful (e.g. set-downs for bathrooms and edge details for waterproofing) but to me misses an important part of how slabs are thought about.  Most the time we have parts of the slab that work in the opposite ways. So things like band beams, edge thickening have a vertical zone in the slab but are generally empty and defined by what is there not wh