DRITZ-Quilt Blocking Design Mirrors. Use this quilt block mirror kit to preview quilting projects before you cut and sew. Save time and fabric; and discover new design possibilities! Preview repeat paper-piecing patterns; audition fabric motifs before cutting pieces; view blocks as they will appear when joined; see reverse images for symmetrical designs and create interesting designs with directional fabric and border prints. Package contains 6x6in mirrors and an angle guide that will hold mirrors at 45; 60 and 90 degree angles. Imported.