Creative Grid 9" Square Ruler with dual purpose: Use vertical, horizontal & diagonal lines to square up any 9 1/2" pieced, appliques or embroidered block. To fussy cut, center a design in the 1"-9" solid squares. The drilled holes at 1 1/2"-8 1/2" increments lets you mark & add the seam allowance to fussy cut pieces. Sold by Quilt Shops only.