Schluter® SHELF-W Rectangular Wall-Mounted Shelf — Curve PatternNo niche required. SHELF W is a wall mounted rectangular shelf that installs directly into tiled walls using its perforated anchor legs you tile over the legs, and the shelf projects cleanly from the wall surface. The Curve pattern has a soft scalloped edge a bit of character without being decorative in a way that dates the space. SHELF W vs. SHELF N: This is the key question. If you have (or are building) a KERDI BOARD SN niche, get SHELF N. If you