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.
girl's bedroom DIY Metallic-Designed Canvas Spray paint selected canvas gold Use painter's tape and create desired design Once covered with design, spray paint in a different color Carefully peel off the painter's tape and let dry