Louet Blending Board for Spinning Fiber Preparation Perfect for making art batts, sampling color combinations, mixing fibers, and preparing fiber for felting. The new Louet blending board is made with their XL carder cloth. Cloth measures 30cm x 30cm (approximately 11-3/4"). Teeth are spaced at 72 teeth per square inch, and are 3/8" deep. The keel has 3 locking positions, depending on user preference. Comes with a soft bristle brush and 2 dowels.