Basic Seams and Seam Finishes Plain Seam • The most common type of seam. • Made with one line of stitching, usually with right side of fabric to right side. • Standard seam 5/8 inch Seam Finishes • Treating a seam edge to prevent raveling. • Make the seam stronger and longer wearing. • Type of seam finish • Depends on the weight of your fabric and how much it will ravel. • Firmly woven fabrics do not need seam finishes. • Loosely-woven and sheer fabrics do require seam finishes. Pinked Seam Finish • Used on fabrics that will not ravel. Gives a neat appearance. Pinked and Stitched • Used on fabrics that will ravel slightly. Zigzag finish • Used on fabrics that ravel. May be done either close to the seam edge or over the edge of a seam.