What do you do with a curved seam to make it smooth and flat?

When you sew a curved seam, reducing the bulk of the seam allowance before you turn the unit right side out is a must. Clipping the seams is the trick for making the finished outer edges of the curve smooth and flat.

How do you smooth a curve?

8 Tips for Sewing Curved Seams

  1. Use a shorter stitch. If each stitch is a straight line, it stands to reason that shorter lines can shape a smoother curve. …
  2. Mark your seam allowances flat. …
  3. Pivot on tight curves. …
  4. Use narrow seam allowances. …
  5. Clip and notch your curves. …
  6. Press well. …
  7. Keep the correct side up. …
  8. Pin well.

How do you iron a curved seam?

You can simply use your ironing board for pressing straight seams. We recommend pressing all curved seams on a tailors ham or sleeve roll. Snip to, not through, the seamline round the curve to allow the fabric to shape into the curve. Using these pressing aids allows you to shape the fabric into the required curve.

What is the use of French curve in sewing?

French curves are used in drafting patterns or making pattern alterations. Use to connect points to create a smooth curve, blending seamlines and trueing pattern alterations. Perfect for the neck curve and armscye – a must have in your sewing room.

How do you make a concave hem?

Use an overlocker (serger) or in the absence of such, sew the raw edge of the fabric with a Zig-Zag stitch to stop the edge fraying. Turn under 1cm (3/8″) once, press and top stitch in place. You may have to narrow the hem where the curve gets steeper as it is harder for the fabric to bend the corner.

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How do you fix a puckered seam?

The best way to fix a puckered seam, start by adjust the tension on upper and lower thread appropriately. This will help understand the content and weight of the fabric that you are using. Next, use a correct thread with right needle size and match the thread with a needle depending on the fabric used.