- Cut all your piecing to include a 1/4” seam allowance. You won’t need to mark the sewing line for machine piecing. Most sewing machines have 1/4” piecing feet and if you don’t have one, the 1/4” distance from the needle to the right can be measured with a ruler and a small piece of masking tape placed at that point to use as a guide. Check this measurement carefully even if you have a piecing foot. You want your 1/4” seam allowance to be exact.
- Place the first two pieces you’re going to sew right sides together. Sew across the seam line, aligning the edges of the fabric with the side edge of your foot or masking tape mark.
- Sometimes you'll find it easier to achieve a 1/4" seam allowance if you have a small ridge to move the fabric next to as it feeds in the machine. Instead of putting a piece of masking tape to mark your guide line, use a narrow piece of moleskin. It's inexpensive and you can keep a package in your sewing box and cut a little stip off from the sheet and use the self-adhesive side to secure it to the bed of your machine