FYI, preset weldment profiles are available online. For example, wood profiles:
https://grabcad.com/library/solidworks-lumber-weldment-profile-library-1
(Note: There are about a dozen wood profiles available various places online)
Great for designing sheds, decks, and home additions.
Another common profile is 80/20 extrusion.
https://grabcad.com/library/80-20-solidworks-weldment-profiles-56-types-1