This is a free sewing pattern and tutorial for a sailor collar blouse.
This classic design is a staple in cosplay costumes and can also be adapted into a school uniform-style blouse. Made with lightweight fabric, it can be styled for everyday wear as well.
The pattern includes a front notch detail, which allows for a more fitted and stylish silhouette. Designs without this notch require extra ease, resulting in a looser fit. For a sharp, tailored look, a pattern with a notch is recommended.
Although this is a simplified version compared to traditional sailor uniform construction, it still produces a clean and attractive line thanks to its dart placement. You can remove the waist darts for a more relaxed blouse style.
Child sizes (100 and 120) and men’s sizes are drafted without side and waist darts for ease of wear.
The pattern already includes seam allowances. Once printed, cut along the join lines and start sewing.
The production process is explained with translation software.
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(1) Sew and iron down the darts of "Front Body" and "Back Body".
(2) Sew the "Cutting cloth" to the "Front Body" inside and out, then cut and iron the "Cutting cloth" inside out.
(3) Iron down the inside of the "collar line" first, then sew the outside together, turn it inside out, and sew it down.
(4) Finish sewing "Breastplate" and attach snap buttons.
(5) Serging the sides of the "Front Body", "Back Body" and "Sleeve", sew them together with a sewing machine, and press seam allowances open with an iron.
(6) Serging the hem of the "Body" and "Sleeve", fold with a 0.5-inch iron, and sew with a sewing machine.
(7) Sew the "Collar" together and sew the "Collar" to the "Body".
(8) Sew the "Sleeve" to the "Body" and Serging the armholes.
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