I mashed a few STL's together to create a way to put a 18v Ryobi Charger under the seat and plug into the outlet in the center console. Recommend ABS Filament over resin printing. Also may want to drill out holes for whatever screws you use.
Use tinkerCAD and make them fit your needs, play around be creative & share! I think the OP was generous and a very good design for their needs and gave us the files to do with as we wish.
Ok, decided to play around while I wait for orange filament to get here to match my XLT interior. Decided to mock up a bottom cross bar and center support using the existing octagon hole. I will refine the design and then post links.