Sewing curtains for windows requires a heavy fabric sewing machine that is designed to stitch through canvas, leather, or multi-layered thermal fabric bolts. Key features of this device include a high-torque motor with an adjustable stitch length setting that can be set to pulse power sonic trim level on the metal bobbin case, plus reinforced seam provisions for strong stitches. It has increased resistance to cover wear and the under space is large wear resistant construction when in constant use gives strong and clear cutting edges for oversized easel cut panel, large throat industrial curtains and tarpaulin windows dipped curtains. This sewing machine is ideal for manufacturers of premium drapes and industrial black out curtains.