Marti Michell Templates include full size quilt templates of precision laser-cut acrylic. A 1/4" seam allowance is already added. These wonderful tools are perfect for hand or machine piecers. Set Perfect Patchwork Winding Ways 8.5"- Includes three companion pieces for making 8 1/2" finished blocks and instructions for making the block, planning a bed quilt and figuring yardage. There are grainline arrows which are silk-screened on the templates as guides. Each piece is labeled with its size and/or the set number it belongs to, so there won't be any confusion.