Step 03 — Pattern Export

Ready for the cutting table.

Specification

Master Block
Sheath Dress
Variation
Minidress
Fit Profile
Fashion Royalty (12.5")
Bust
130mm
Waist
90mm
Hips
132mm
Fabric
Woven
Lining
Facings
Seam Allowance
6mm
Format
A4 / US Letter
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Construction Guide

How to sew the sheath dress

Suggested machine: stretch needle 70/10 · narrow zig-zag or stretch stitch · 6mm SA

  1. Step 01

    Cut your pieces

    Cut 1 pair Front and 1 pair Back panels in a stable woven fabric such as cotton sateen, ponte, or wool crepe. Cut an identical set of facing pieces for the neckline and armholes. Transfer every dart, notch, and the CENTER BACK closure line. All pieces include a 6mm seam allowance.

  2. Step 02

    Stay-stitch the curves

    Stay-stitch 4mm from the raw edge around each neckline and armhole on both the Front and Back panels. This prevents the bias curves from stretching as you handle the dress.

  3. Step 03

    Stitch the darts

    Fold each bust dart along its centre line, right sides together, and stitch from the side seam to the dart point, tapering off the fabric so the last few stitches run parallel to the fold. Tie off the threads — do not backstitch the point. Repeat for the waist darts on both Front and Back. Press the bust darts down toward the waist and the waist darts toward the centre.

  4. Step 04

    Sew the shoulder seams

    Place Front to Back right sides together at the shoulders, matching the neckline and armhole notches. Stitch at 6mm, finish the seam allowance with a narrow zig-zag, and press the seam toward the back.

  5. Step 05

    Sew the side seams

    With the dress still right sides together, pin the side seams from the underarm down through the WAIST and HIP notches all the way to the hem. Stitch in one continuous pass at 6mm. Press the seams open over a sleeve board so the silhouette stays smooth.

  6. Step 06

    Build the facings

    Join the neckline facing pieces at the shoulders, and the armhole facings at the underarms. Press the seams open and finish the outer edge of each facing with a narrow zig-zag or overlocker.

  7. Step 07

    Attach the neckline facing

    Pin the neckline facing to the dress right sides together, matching shoulder seams. Stitch at 6mm, clip the curve, trim the seam allowance to 3mm, and turn the facing to the inside. Understitch 2mm from the seam so it rolls cleanly to the wrong side and press.

  8. Step 08

    Attach the armhole facings

    Repeat the same process on each armhole: stitch the facing right sides together at 6mm, clip the curve, trim, turn, understitch, and press. Tack the facing to the shoulder and side seam allowances with a few hand stitches to keep it in place.

  9. Step 09

    Install the centre-back closure

    Press the CENTER BACK seam allowances under by 6mm. Install three or four invisible snaps or tiny hook-and-eye sets evenly spaced from neckline to high hip, with the topmost closure at the neckline edge.

  10. Step 10

    Hem the dress

    Try the dress on the doll and mark the final length. Press the hem allowance up by 4mm, fold again by 8mm, and slip-stitch by hand for an invisible finish, or topstitch close to the inner fold for a sportier look.

  11. Step 11

    Press & finish

    Give the dress a final press on a tailor's ham, paying attention to the bust and waist darts so they sit smoothly. Trim every thread tail and your sheath is ready for the cutting-table reveal.