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Sewing concept

Seat seam assembly

The process of joining the left and right pant legs along the crotch curve.

Ask the consultant about "Seat seam assembly"

Where it is used

Sewing Right Side Seam

p. 6
  1. Fold the right leg piece right sides together, aligning the side seams. Pin along the side from the front piece. Serge the seam, stitching from the front piece side. Press the seam, then press the seam allowance toward the back piece.
Sewing Right Side Seam
Open the step in the "Front Pintuck Trousers Pattern | Elegant High Rise Office Pants | Tailored Flared Slacks PDF | Womens Sewing XS-M" pattern →

Sewing Crotch Seam

p. 6
  1. Sew the crotch seam on a serger. Press the seam, then on the straight sections, press the seam allowances so the right side of the serged stitch faces you.
Sewing Crotch Seam
Open the step in the "Front Pintuck Trousers Pattern | Elegant High Rise Office Pants | Tailored Flared Slacks PDF | Womens Sewing XS-M" pattern →

Pinning Crotch Seam

p. 6
  1. Leave one pant leg turned right side out, and turn the other inside out. Place one leg inside the other, right sides facing, and align the crotch seam. Pin in place.
Pinning Crotch Seam
Open the step in the "Front Pintuck Trousers Pattern | Elegant High Rise Office Pants | Tailored Flared Slacks PDF | Womens Sewing XS-M" pattern →

15.4. Sewing seat seam

p. 14
  1. Sew the seat seam to the marked level where the closure begins. Seam allowance: 1.0 cm.
15.4. Sewing seat seam
Open the step in the "High Waisted Flare Jeans Pattern PDF | Front Seam Bootcut Pants | 70s Retro Trousers | Womens Denim Sewing | L-XXL" pattern →

15.7. Pressing seat seam

p. 15
  1. Press the seat-seam allowance on the back pieces over a 10 cm section. Along the inseam area, press the seat-seam allowance open (on edge).
15.7. Pressing seat seam
Open the step in the "High Waisted Flare Jeans Pattern PDF | Front Seam Bootcut Pants | 70s Retro Trousers | Womens Denim Sewing | L-XXL" pattern →

15.4. Sew seat seam

p. 14
  1. Sew the seat seam to the marked level where the closure begins. Seam allowance: 1.0 cm.
15.4. Sew seat seam
Open the step in the "High Waisted Flare Jeans Pattern PDF | Front Seam Bootcut Pants | 70s Retro Trousers | Womens Denim Sewing | XS-M" pattern →

Pressing Crotch Seam Open (Back View)

p. 13
  1. View from the back.
Pressing Crotch Seam Open (Back View)
Open the step in the "Noemi Sleeveless Jumpsuit | Open Back Women’s Romper PDF Sewing Pattern | Autumn or winter outfit | XS–M | A4, US Letter, Plotter" pattern →

Joining Trouser Legs

p. 13
  1. Turn one trouser leg to the right side; leave the second one turned inside out (wrong side out). Take the trouser leg turned to the right side and insert it into the second trouser leg (which is wrong side out), joining the legs right sides together along the crotch seam. Pin or baste, aligning the seams and control points for the zipper attachment. Stitch on the machine with a 1 cm seam allowance, using backstitches (reinforcement). Stitch from either side. Press lightly.
Joining Trouser Legs
Open the step in the "Noemi Sleeveless Jumpsuit | Open Back Women’s Romper PDF Sewing Pattern | Autumn or winter outfit | XS–M | A4, US Letter, Plotter" pattern →

Pressing Crotch Seam Open (Front View)

p. 13
  1. Then press the seam allowances open (to opposite sides) on the straight sections. View from the front.
Pressing Crotch Seam Open (Front View)
Open the step in the "Noemi Sleeveless Jumpsuit | Open Back Women’s Romper PDF Sewing Pattern | Autumn or winter outfit | XS–M | A4, US Letter, Plotter" pattern →

Joining Trouser Inseams

p. 12
  1. Place the front and back trouser pieces right sides together, aligning the inseam (crotch seam). Pin. Stitch on the machine with a 1 cm seam allowance, using backstitches (reinforcement).
Joining Trouser Inseams
Open the step in the "Noemi Sleeveless Jumpsuit | Women’s Romper PDF Pattern | Elegant Evening or office outfit | Winter Project | L–XXL | A4, US Letter, Plotter" pattern →

Crotch Seam View (Back)

p. 13
  1. View from the back.
Crotch Seam View (Back)
Open the step in the "Noemi Sleeveless Jumpsuit | Women’s Romper PDF Pattern | Elegant Evening or office outfit | Winter Project | L–XXL | A4, US Letter, Plotter" pattern →

Pressing Crotch Seam Open (Front)

p. 13
  1. Then press the seam allowances open (to opposite sides) on the straight sections. View from the front.
Pressing Crotch Seam Open (Front)
Open the step in the "Noemi Sleeveless Jumpsuit | Women’s Romper PDF Pattern | Elegant Evening or office outfit | Winter Project | L–XXL | A4, US Letter, Plotter" pattern →

Related terms

requiresDouble seat seam stitch