Try This: Scrap-Lumber Vanity Shelf

Turn scrap heap into bathroom chic

All pieces are cut from 1-x-6 inch scrap pine. BACK: 24 inches BOTTOM: 36 inches TOP: 36 inches The top has a 10-inch wide, 5/8-inch deep notch cut in the back edge for the mirror and a 2-inch hole drilled to accommodate a flower vase. DIVIDERS: 3 pieces, 4 inches each