This free sewing pattern is for a tricorne hat, also known as a pirate hat or three-cornered hat. It is an iconic accessory often seen in pirate costumes, historical reenactments, theater productions, and Halloween outfits.
The hat is made using heavy fusible interfacing to give it structure. For added shape customization—such as making the brim curve more dramatically—you can sew a wire along the edge. This allows the brim to hold its form and creates a more striking silhouette.
While the design looks elaborate, the construction process is straightforward, making it beginner-friendly. You can enhance the hat’s appearance by adding decorative elements such as feathers, trim, or embroidery for a luxurious finish.
Seam allowances are already included in the pattern, so you can cut and sew directly. After printing, align and tape the pages along the matching lines before cutting your fabric pieces.
(1) Apply fusible interfacing to the top, side, and brim.
(2) Sew the side pieces together and topstitch the seam.
* Trim off any extra seam allowance.
(3) Sew the top and side together. On the side without interfacing, press the seam allowance open and topstitch.
* Trim off any extra seam allowance. Repeat the same for both outer and lining.
(4) Sew the side and brim together and topstitch.
* Trim off any extra seam allowance. Repeat the same for both outer and lining.
(5) Join the two layers together, insert wire into the bias position of the brim, and cover it with bias tape.
* It is better to tack the wire to the seam allowance to keep it in place neatly.
(6) Sew the ends together at an invisible point on the inside to secure and finish.
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44cm
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head size 46cm 6 sheets of A4 size
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50cm
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How to use Paper pattern
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