styrofoam covered with fabric wall art. My daughter and I did this for her room. We used cheap painter canvas and scrapbook paper. We sprayed adhesive glue to the canvas and layed the scrapbook paper on top.
workspace or rather the shelves with pictures arrangement for the living room. Don't know if we'd have 3 shelves but I like this idea to create a changeable arrangement of pictures and items on display. You can also put more or less