The Singer Simple 3221 sewing machine is an electric device capable of sewing using one of its 40 stitch patterns. With an automatic buttonhole and one-step buttonhole type, it can sew buttonholes effortlessly.. Sew confidently with a simple sewing machine that gets you stitching in minutes. Shop the Simple 3221 today. Shop direct from Singer.
View and Download Singer 3221 instruction manual online. 3221 sewing machine pdf manual download. Also for: 3232.. Singer Simple 3221 is an entry level mechanical sewing machine that comes with 21 inbuilt decorative and utility stitches, along with an onboard seam guide, automatic needle threader, free arm, and much more.