We've used a similar corner shelving unit to create space in a small 7 by 9 ft room. It's a great, easy shelving solution for small spaces (although installing it was a bit tricky as the walls weren't plumb.
If you have the wall space in your RV gain two extra sleeping spots, with this space saving Bunk Bed Gadget. I'm thinking wall in garage of toy hauler RV separating living area. Or a great opion for a small bedroom for brothers or sisters!