I would like to see subcategories availible for structural framing when using the 'filter' tool. If you select a large area, or the entire floor plan you get the option to filter out certain categories that you may not want selected. Well I work with Precast and most of the items I create are classified as Structural Framing. There are no filter subcategories for the structural framing such as Double Tees, Hollowcore, L-Beams, IT-Beams, etc. Each main category should have subcategory filtering, even walls and columns for that matter. The subcategories can be the main 'types' headings (the main product, not the individual widths) that are under the different products, i.e. BEAMS- Double Tees, Hollowcore, L-Beams, etc.; WALLS- Generic, Precast, Curtain Walls. I know it would get too complicated filtering all the way down to the individual types under the main type categories (or Product categories), but that's not what I'm talking about here; I just need to be able to filter out the different types of products. This would be a tremendous help.