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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).

Notch-Neck Tunic Confident Beginner XS – 3XL

Popover Notch-Neck Tunic

Popover Notch-Neck Tunic. 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 Length Bottom Hem Bicep Circumference
XS 96 cm 80 cm 108 cm 30 cm
S 102 cm 82 cm 114 cm 31.5 cm
M 108 cm 84 cm 120 cm 33 cm
L 114 cm 86 cm 126 cm 35 cm
XL 124 cm 88 cm 136 cm 38 cm
2XL 134 cm 90 cm 146 cm 41 cm
3XL 144 cm 92 cm 156 cm 44 cm

Size Selection Guidance

Select size corresponding to full chest/bust measurement. Compare bicep circumference for comfortable sleeve fit.

Wearing Ease Explanation

Tailored shirts incorporate +10 to +14 cm chest ease for relaxed everyday movement and layering.

Fabric & Materials

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

Recommended Fabrics

Cotton poplin, Oxford cloth, linen, or chambray

  • Cotton poplin, Oxford cloth, linen, or chambray
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)
  • 10 to 12 mm shirt buttons (8 to 10 count)
  • Lightweight fusible interfacing for collar and cuffs
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 2.2 m (2.4 yd) 1.8 m (1.95 yd)
L – XL 2.5 m (2.75 yd) 2.1 m (2.3 yd)
2XL – 3XL 2.9 m (3.15 yd) 2.4 m (2.6 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

10 mm (3/8 in) for collar stand seam.

Pattern Pieces to Cut

Piece Name Quantity & Orientation Grainline / Cutting Notes
Front Tunic with Notch Placket Cut 1 on Fold in Fabric Notch neckline
Back Tunic on Fold Cut 1 on Fold in Fabric Center back fold
Back Yoke Cut 2 in Fabric (1 Outer, 1 Lining) Shoulder yoke
Tunic Sleeve Cut 1 Pair in Fabric Roll-tab sleeve
Mandarin Stand Collar Cut 2 in Fabric (1 Interfaced) Stand collar
Sleeve Cuffs Cut 2 in Self Fabric, 2 in Interfacing Button cuffs
Sleeve Roll Tabs Cut 2 in Self Fabric Roll tabs

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.

15.3 KB 4 pages
A4 Available

Full-scale 1:1 tiled master pattern for A4 paper (23 sheets). Includes dual 50mm/2.0in calibration boxes, assembly map, grainlines, and corner registration crosshairs.

168.9 KB 23 pages
US Letter Available

Full-scale 1:1 tiled master pattern for US Letter paper (23 sheets). Includes dual 50mm/2.0in calibration boxes, assembly map, grainlines, and corner registration crosshairs.

169.0 KB 23 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

Construct Sleeve Tabs & Front Placket

Stitch sleeve roll tabs right sides together, turn, press, and topstitch. Apply lightweight interfacing to front neckline notch, stitch placket facing around notch, slash, turn inside, and press crisp.

2

Assemble Back Yoke

Sandwich the back tunic body between inner and outer back yokes using the burrito method. Topstitch along yoke seam.

3

Shoulder Seams and Mandarin Stand Collar

Attach front shoulders to back yoke assembly. Interface outer collar stand. Assemble collar stand pieces, turn, and stitch to neckline right sides together, sandwiching neck raw edges.

4

Set Sleeves Flat & Stitch Side Seams

Pin sleeves to armholes matching notches and stitch flat. Stitch side seams from sleeve hem down to tunic hem, leaving 10 cm open at bottom for side vents.

5

Finish Hem, Vents & Sleeve Buttons

Turn and topstitch side hem vents and curved tunic hem. Hem sleeve openings with cuff bands, sew button on outside of sleeve, and secure roll tab.

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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