With wrong side of fabric facing up, mark a line along the seam allowance. The first line you mark will be 1.25” (31.75mm) from the top edge of fabric.

This is because in Version A, you finish the drawstring casings first, and then you sew the side seams together. Version B, on the other hand, is finished by pulling entire bag over the sewing table to finish the drawstring casing. The sewing machine has a limitation for sewing openings that are less than 5.5” (14cm) wide. In other words, you physically cannot fit anything smaller than that over the sewing table, even after removing your free arm.

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Orient the fabric so that the longer side is placed horizontally and the shorter side is placed vertically Fold the sides of fabric in towards the center 0.5" (1.27cm) once, then again 0.5" (1.27cm). Press down. Remove the free arm of sewing machine and sew 1/8” (3mm) from edge of drawstring casing, around entire bag.

Trim down seam allowance to 1/4”(6mm) with pinking shears. Alternatively, serge the edges with a marrow machine (serger).Thus, Version B is good for drawstring bags that have an opening wider than 5.5” (14cm) wide. How much fabric Do I need to make a drawstring bag? Make 4 cuts at each of the 4 corners of the fabric. Each of the cuts are 1.5” (3.8cm) from the left and right edge, and 0.5” (1.27cm) from the top and bottom edge. Please note that the Sewing Patterns lists the exact dimension for you to draw and cut out on fabric, not actual paper pattern pieces.