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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).

Chef Jacket Intermediate XS – 3XL

Mandarin Collar Chef Jacket

Mandarin Collar Chef Jacket. 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 102 cm 74 cm 104 cm 34 cm
S 108 cm 76 cm 110 cm 35.5 cm
M 114 cm 78 cm 116 cm 37 cm
L 120 cm 80 cm 122 cm 39 cm
XL 130 cm 82 cm 132 cm 42 cm
2XL 140 cm 84 cm 142 cm 45 cm
3XL 150 cm 86 cm 152 cm 48 cm

Size Selection Guidance

Select size based on chest measurement, accounting for mid-layer garments.

Wearing Ease Explanation

+16 to +22 cm chest ease for layering over sweaters and hoodies.

Fabric & Materials

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

Recommended Fabrics

Cotton twill, chef coat drill, or poly-cotton canvas (200–260 gsm)

  • 100% cotton drill or twill (220–240 gsm)
  • Poly-cotton 65/35 workwear twill
  • Heavyweight cotton duck
Stretch Requirement: None (0% stable woven)

Notions & Sewing Tools

Ensure you have these ready before starting.

Notions:
  • Matching heavy-duty thread
  • Jeans/twill needle (size 90/14)
  • 10 chef coat knotted cloth buttons or buttonhole studs
  • Fusible medium-weight interfacing for mandarin collar and front overlap
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 2.3 m (2.5 yd) 1.8 m (1.95 yd)
L – XL 2.7 m (2.95 yd) 2.2 m (2.4 yd)
2XL – 3XL 3.1 m (3.4 yd) 2.6 m (2.85 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
Jacket Front Cut 1 Pair in Twill Double-breasted front
Jacket Back Cut 1 Pair in Twill Center back vent
Upper Sleeve Cut 1 Pair in Twill Articulated upper sleeve
Under Sleeve Cut 1 Pair in Twill Articulated under sleeve
Mandarin Stand Collar Cut 2 in Twill (1 Interfaced) Mandarin collar
Lower Patch Pockets Cut 2 in Twill Reinforced pockets

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.

15.4 KB 4 pages
A4 Available

Full-scale 1:1 tiled master pattern for A4 paper (21 sheets). Includes dual 50mm/2.0in calibration boxes, assembly map, grainlines, and corner registration crosshairs.

154.0 KB 21 pages
US Letter Available

Full-scale 1:1 tiled master pattern for US Letter paper (24 sheets). Includes dual 50mm/2.0in calibration boxes, assembly map, grainlines, and corner registration crosshairs.

176.2 KB 24 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

Cut Twill Pieces & Interface

Cut double-breasted jacket front panels, back panels, two-piece sleeves, mandarin collar, and pockets from durable cotton twill. Interface front crossover facings and collar.

2

Prepare Patch Pockets

Double-turn and topstitch top pocket hem. Topstitch pocket onto left chest or sleeve with reinforced bartacks at upper corners.

3

Body & Shoulder Seams

Stitch center back seam with flat-felled finish. Join front and back body panels at shoulder seams right sides together and press open.

4

Attach Mandarin Stand Collar

Stitch outer and inner mandarin collar pieces along curved top edge right sides together, clip curves, turn right side out, and press. Stitch outer collar to neckline, turn inner collar under, and edgestitch across neck seam.

5

Two-Piece Sleeves and Side Seams

Assemble two-piece sleeves, set into armholes easing sleeve cap fullness, and stitch side seams continuously from sleeve wrist to jacket hem.

6

Button Band Facing, Chef Buttons & Hems

Press front crossover facings inside and stitch. Sew double-breasted rows of chef knot buttons or buttonhole studs. Hem sleeves with folded turn-back sleeve hems and hem jacket lower edge.

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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