How to Sew a Scalloped Edge
(Elegant and Decorative Hemline Finishing)
@TillyButtons
@thesewingsociety
Step-by-Step Instructions:
A scalloped edge is a series of semi-circular curves used to create a decorative finish on hemlines, collars, or pockets. While it looks complex, achieving a professional result is all about careful marking and precise trimming.
Materials Needed:
- Fashion fabric and matching facing fabric
- Lightweight fusible interfacing
- Scallop template (cardboard or specialized ruler)
- Fabric marking pen (heat-erasable is ideal)
- Small, sharp embroidery scissors
- Point turner or bone folder
- Iron and pressing ham
Tips for Success:
- Always interface the facing or the main fabric to help the curves hold their shape.
- Shorten your stitch length (to 1.5mm or 2.0mm) when sewing the curves for better control and smoother transitions.
- Stop with the needle down at the “V” between scallops to pivot cleanly.
- Use a circular object (like a glass or spool) if you don’t have a dedicated template.
1. Draft and Mark Your Scallops
- Apply interfacing to the wrong side of your facing. Use your template to draw the scallop pattern along the seam line. Ensure the scallops are evenly spaced across the entire edge.
2. Stitch the Curves
- Place the main fabric and facing right sides together. Carefully sew along your marked lines. Take it slow, ensuring you pivot accurately at every point where the scallops meet.
3. Trim and Clip
- Trim the seam allowance to about 1/8 inch. Clip into the “V” point as close to the stitching as possible without cutting the thread. Notch the outer curves to reduce bulk.
4. Turn and Press
- Turn the scallops right side out. Use a point turner to gently smooth out the curves. Press from the facing side, slightly rolling the seam toward the inside so it isn’t visible from the front.
5. Final Finishing
- Topstitch along the scalloped edge if desired for extra definition, or simply give it a final steam press to set the shape.
Top FAQs for Scalloped Edges:
Can I sew a scalloped edge on stretchy fabric?
It is difficult because the curves can easily distort. If you must use a knit, apply a stable, non-stretch fusible interfacing to the entire scalloped area before sewing to maintain the shape.
Why do my scallops look pointy or jagged?
This is usually caused by a stitch length that is too long or not trimming and notching the seam allowance properly. Using a shorter stitch length allows the machine to move more smoothly around tight curves.
What is the best way to make a scallop template?
Trace a small circular object onto cardstock and cut it out. Measure the total length of your garment edge and divide by the width of your circle to ensure your scallops start and end symmetrically.
Do I need a facing for a scalloped hem?
Yes. A facing is the most professional way to finish a scallop because it encloses the raw edges completely inside the curves. You can also use a decorative bias binding, but a facing is much easier for beginners.
