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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).

Bucket Hat Beginner S – 2XL (Head 54–62 cm)

Reversible Bucket Hat

Reversible Bucket Hat. Sourced directly from verified open distributions with authentic rights. Includes complete size tables, ease notes, and illustrated construction steps.

Technical Design Schematics

Front and back flats illustrating dimensions, binding, seam lines, and design details.

Front Elevation
Back Elevation

Sizing & Finished Dimensions

Review finished dimensions and specifications 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 Head Circumference
S 54 cm
M 56 cm
L 58 cm
XL 60 cm
2XL 62 cm

2. Finished Garment Measurements Chart

Dimensions of the sewn garment, including designed wearing ease.

Swipe sizes
Size Finished Length Bottom Hem
S 15 cm 56 cm
M 15.5 cm 58 cm
L 16 cm 60 cm
XL 16.5 cm 62 cm
2XL 17 cm 64 cm

Size Selection Guidance

Select size based on measured head circumference above the eyebrows.

Wearing Ease Explanation

+1.5 cm head ease for all-day comfort.

Fabric & Materials

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

Recommended Fabrics

Cotton canvas, denim, wool tweed, or linen

  • Cotton canvas, denim, wool tweed, or linen
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)
  • Heavy-duty thread
  • Firm fusible craft interfacing
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
S – M 0.6 m (0.65 yd) 0.5 m (0.55 yd)
L – 2XL 0.7 m (0.75 yd) 0.6 m (0.65 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.

Edge Finish / Hem

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
Crown Oval Cut 1 Outer, Cut 1 Lining Interface outer piece
Side Crown Band Cut 2 Outer, Cut 2 Lining Curved trapezoid band
Flared Brim Cut 4 in Fabric (2 Outer, 2 Lining), Cut 2 in Stiff Interfacing Quilted multi-row topstitching

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.

13.9 KB 4 pages
A4 Available

Full-scale 1:1 tiled master pattern for A4 paper (9 sheets). Includes dual 50mm/2.0in calibration boxes, assembly map, grainlines, and corner registration crosshairs.

61.3 KB 9 pages
US Letter Available

Full-scale 1:1 tiled master pattern for US Letter paper (10 sheets). Includes dual 50mm/2.0in calibration boxes, assembly map, grainlines, and corner registration crosshairs.

68.3 KB 10 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

Interface Brim & Crown

Fuse medium-to-heavy woven interfacing to outer brim and outer crown pieces for structural rigidity.

2

Assemble Side Crown Band

Stitch short side seams of side band right sides together. Press seams open. Repeat for lining side band.

3

Attach Crown Oval to Side Band

Quarter-mark crown oval and upper edge of side band. Pin right sides together, easing curves smoothly. Stitch at 6 mm.

4

Assemble Flared Brim

Stitch outer brim halves at side seams. Repeat for lining brim. Place outer and lining brims right sides together, stitch outer perimeter, turn right side out, and press.

5

Quilt Brim & Complete Hat

Topstitch concentric circular rows 6 mm apart across entire brim width. Stitch brim to crown unit, insert lining, hand-stitch or topstitch rim closed.

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.

License & Permissions:

Threadline Open Design Studio (reversible-bucket-hat). Distributed under CC BY-SA 4.0. Designer: Threadline Technical Team.

Source: Threadline Open Design Studio (CC BY-SA 4.0)

Threadline Technical Team

Pattern Credits:

Designed by Threadline Technical Team. Review attribution: Community Open Source Verification.

Version: 1.0.0-published • Last updated: 2026-03-09 Report a problem with this pattern (Reversible Bucket Hat)

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