Large plain wall in your house look so dull without decorations. For an eye-catching effect on a large plain wall you can decorating it according your personality or your house themed. There are so many decorating ideas for large plain wall. For example, use mirror. Mirrors are an ideal decoration for a large blank wall and are easy to hang and remove when the mood strikes. They also reflect light, so they naturally draw the eye to the wall. However, covering the entire wall with a mirrored panel can sometimes look outdated. For a more modern twist, hang a grouping of framed mirrors for a fun, eclectic look. Use mirrors in different sizes and shapes for added visual interest. You can mix frame materials for a funky look, or use the same type for all mirrors to provide a unified design.