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Threadline Free Pattern Library
Verified Open Pattern (1.0.0-published)

This pattern includes verified home printable specification files, dual-unit sizing charts, and full cutting guides. Upstream source: Threadline Open Design Studio (CC BY-SA 4.0).

Midi Dress Confident Beginner XS – 3XL

Flared A-Line Midi Dress

Flared A-Line Midi Dress. Sourced directly from verified open distributions with authentic rights. Includes complete size tables, ease notes, and illustrated construction steps.

Technical Garment Schematics

Front and back flats illustrating seam lines, hem curves, and design details.

Front Elevation
Back Elevation

Sizing & Measurement Tables

Review both body benchmarks and finished garment ease before cutting your cloth.

Measurement Unit

Toggle between metric and imperial values across all charts

1. Body Measurements Chart

Your physical body dimensions. Measure over undergarments with a snug tape.

Swipe sizes
Size Bust Waist Hip
XS 80 cm 62 cm 88 cm
S 86 cm 68 cm 94 cm
M 92 cm 74 cm 100 cm
L 98 cm 80 cm 106 cm
XL 108 cm 90 cm 116 cm
2XL 118 cm 100 cm 126 cm
3XL 128 cm 110 cm 136 cm

2. Finished Garment Measurements Chart

Dimensions of the sewn garment, including designed wearing ease.

Swipe sizes
Size Finished Bust Finished Waist Finished Hip Finished Length Bottom Hem
XS 88 cm 68 cm 106 cm 112 cm 180 cm
S 94 cm 74 cm 112 cm 113 cm 186 cm
M 100 cm 80 cm 118 cm 114 cm 192 cm
L 106 cm 86 cm 124 cm 115 cm 198 cm
XL 116 cm 96 cm 134 cm 117 cm 210 cm
2XL 126 cm 106 cm 144 cm 119 cm 222 cm
3XL 136 cm 116 cm 154 cm 121 cm 234 cm

Size Selection Guidance

Select size based on high bust and full bust measurement.

Wearing Ease Explanation

+6 to +10 cm bust ease; skirt panel flares generously over hips.

Fabric & Materials

Recommended substrates, stretch allowances, yardage requirements, and required notions.

Recommended Fabrics

Lightweight to medium-weight suitable fabric substrates

  • Lightweight to medium-weight suitable fabric substrates
  • Pre-washed natural fibers (cotton, linen, or bamboo)
Stretch Requirement: None (0% stable woven)

Notions & Sewing Tools

Ensure you have these ready before starting.

Notions:
  • Matching all-purpose polyester or cotton sewing thread
  • Universal sewing needle (size 80/12)
  • 18 to 22 inch invisible zipper
  • Hook and eye closure
Tools Required:
  • Sewing machine
  • Fabric shears
  • Pins or fabric clips
  • Steam iron and ironing board

Fabric Yardage Requirements

Size Bracket 115 cm (45") Width 150 cm (60") Width
XS – M 2.9 m (3.15 yd) 2.3 m (2.5 yd)
L – XL 3.3 m (3.6 yd) 2.7 m (2.95 yd)
2XL – 3XL 3.8 m (4.15 yd) 3.2 m (3.5 yd)

Seam Allowances & Cutting Layout

Exact seam allowances included in pattern lines, piece list, and cutting discipline.

Standard Seams

10 mm (3/8 in) included on all seams.

Hem Allowance

15 mm (5/8 in) double-fold hem.

Neck & Armhole

6 mm (1/4 in) for neckband or binding attachment.

Pattern Pieces to Cut

Piece Name Quantity & Orientation Grainline / Cutting Notes
Wrap Front Bodice Cut 1 Pair Front bodice with bust darts
Back Bodice Cut 1 on Fold Fitted back bodice panel
Flared Wrap Skirt Cut 2 Front, 1 Back on Fold Flared A-line midi skirt panels
Short Sleeve Cut 1 Pair Short set-in sleeves
Waist Tie Belt Cut 2 in Self Fabric Self-fabric waist tie sash

Fabric Cutting Checklist:

  • Press fabric before cutting to remove packing folds and pre-shrink fibers.
  • Align piece grainlines strictly parallel to fabric selvages.
  • Transfer notch markings with small 3 mm snips into the seam allowance margin.

Printable Pattern Files

Download PDF files for home printing on standard desktop printers.

Download Pattern Files

1.0.0

Direct pattern downloads. No registration, email capture, or paywalls required.

Updated: 2026-03-09
Instructions Available

Complete offline sewing guidebook with dual calibration test squares, yardage charts, pattern piece cut list, numbered steps, and troubleshooting.

14.3 KB 4 pages
A4 Available

Full-scale 1:1 tiled master pattern for A4 paper (22 sheets). Includes dual 50mm/2.0in calibration boxes, assembly map, grainlines, and corner registration crosshairs.

175.8 KB 22 pages
US Letter Available

Full-scale 1:1 tiled master pattern for US Letter paper (20 sheets). Includes dual 50mm/2.0in calibration boxes, assembly map, grainlines, and corner registration crosshairs.

159.8 KB 20 pages
Printer Calibration Test Sheet (Free Single Sheet) 2.4 KB

Print at 100% scale (no fit-to-page) and measure the 50mm and 2-inch test boxes with a hard ruler.

Download Test Sheet
Print Instructions:

Open the downloaded PDF in Adobe Acrobat Reader or a dedicated desktop PDF viewer. In the print dialog, select "Actual Size" or "Custom Scale: 100%". Never select "Fit to Printable Area". Always measure the calibration square on Page 1 before proceeding.

These files are prepared from documented pattern references through a technical drafting workflow. If anything appears incorrect, unclear, or causes a sewing problem, email feedbacksewingpattern@gmail.com. Send pattern feedback.
100% Scale Verification

Print Page 1 at 100% scale without page scaling. Check Metric box (50 mm x 50 mm) or Imperial box (2.0 in x 2.0 in = 50.8 mm) with a rigid ruler.

Read full printing & calibration guide →
Tile Assembly Instructions

Align numbered registration marks and butt tile edges flush without overlapping untrimmed paper. Tape securely.

Step-by-Step Sewing Instructions

Draft construction notes. Readable online; review against the pattern pieces before sewing.

1

Cutting and Marking

Cut front bodice panels, back bodice on fold, flared skirt panels, short sleeves, and waist tie sash. Press seam allowances.

2

Bodice Assembly

Stitch bust shaping and join shoulder seams with right sides facing. Press seam allowances.

3

Set Sleeves

Set short sleeves into armholes, aligning balance notches. Press seam allowances.

4

Side Seams and Skirt

Sew side seams from sleeve hem through bodice. Assemble flared skirt panels and join skirt to bodice at waistline. Press seam allowances.

5

Waist Ties and Hem

Attach waist tie belts, finish neckline with narrow binding, and stitch wide double-turn midi hem. Press seam allowances.

Troubleshooting & Fit Alterations

Solutions for common fitting hurdles and construction errors specific to this garment.

Problem: Seams puckering along stitch line

Possible Cause: Thread tension too high or needle blunt

Recommended Fix: Insert fresh needle and test balance on fabric scrap.

Problem: Wavy edge along curved perimeter

Possible Cause: Edge was stretched while feeding into machine

Recommended Fix: Staystitch immediately after cutting and use walking foot.

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