Tailor collar jacket 4 Sewing Patterns | DRCOS Patterns & How To Make

This is a free sewing pattern for a four-button tailored collar jacket, designed especially for cosplay costumes, school uniforms, and blazer-style outfits. The length is slightly longer, and the waistline is gently tapered to create a clean, flattering silhouette.

You can modify the pattern to suit your project—for example, lowering the collar to create a blazer-style school uniform. The lining and facings are simplified, making this easier to sew than a standard tailored jacket, but intermediate sewing skills are still recommended.

Because this is designed for costume use, we suggest adjusting the lining and internal construction if you plan to make an everyday wear jacket. The base shape is versatile and can be customized freely.

The sleeves are authentic two-piece tailored sleeves with curved seams, using easing to create a smooth rounded shape—this step requires careful sewing. Dart placements differ from standard jackets, so follow the included markings closely.

The pattern includes a built-in seam allowance (S/A). After printing, align the joining lines, cut out the pieces, and you can start sewing immediately.

The production process is explained with translation software.

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(1) Apply interfacing to "Front Body Facing", "Facing" and "Taylor color".

(2) Sew all the darts and iron them down.

(3) Attach a "false pocket" to the false pocket position on the "Front Body".

(4) Serging the shoulders and sides of "Front Body" and "Back Body", sewing them with a sewing machine, and press seam allowances open with an iron.

(5) Sew "Front Body Lining Fabric" and "Facing" with a sewing machine, Serging the outside and press seam allowances open with an iron.

(6) Sew "Body" and "Taylor color" with interfacing attached to "Body" at the basting position, and press seam allowances open with an iron.

(7) Sew "Taylor color" without interfacing to "Facing" at the basting position and press seam allowances open with an iron.

(8) Sew the parts of "Body" and "Facing" other than the hem, turn inside out, and iron.

(9) Sew the sides of the two "sleeve" parts together and press seam allowances open with an iron.

(10) Serging the hem of the "sleeve", iron in 1 inch, and sew it with a sewing machine.

(11) Sew the "sleeve" to the "body" and Serging the armholes.

* Armholes of "sleeves" are ease.

(12) Fold in the hem of the "Body" by 1 inch with an iron, and sew it with a sewing machine.

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