Trimming seam allowances
Cutting down the width of seam allowances and clipping curves to reduce bulk and allow smooth turning.
Where it is used
Trimming Seam Allowances
p. 9- Trim the seam allowances at the corners of the front-edge facing seam.

Trimming Collar Corners
p. 2- Trim the corners, stopping 0.2 cm short of the stitching line.

Flap Assembly - Step 2
p. 8- Trim seam allowances down to 0.5 cm. Carefully snip the corners close to the stitching.

Trimming and Turning Collar
p. 6- In the collar corner, trim the seam allowances close to the stitching line. Press lightly, then press the seam allowances open (spread them to different sides) using a pressing ham (tailor's ham) for the collar's wet heat treatment (WHT). Turn the collar right side out, smooth out the corners, and press lightly.

Trimming Seam Allowances
p. 9- Trim the seam allowances at the corners of the front-edge facing seam.

Trimming Shoulder Seams
p. 10- Trim the seam allowances at the shoulder seams to reduce bulk.

Clipping Lower Seam Allowance
p. 12- Clip the seam allowance at the bottom of the front edge.

Snip the armhole seam allowances
p. 12- Make small snips along the seam allowance, stopping about 2 mm before the stitching line.

Trim Facing Seam Allowance
p. 8- Trim the seam allowance down to 0.5 cm.

Trim Neckline Seam Allowance
p. 10- Trim the seam allowances down to 0.5 cm.

Trim Front Facing Seam Allowance
p. 11- Trim seam allowances to 0.5 cm.

Sewing and Trimming Flap
p. 9- Sew the pieces together, trim the seam allowance down to 0.5 cm, and carefully clip the corners along the curved edges.

Related terms
requiresScissors
depends onAttaching facing