1. Duplicate the top collar.
2. Mark and stitch the chest dart on the front. Iron the dart up. Sew the tuck along the marked lines and iron it down.
3. Sew the darts on the back. Iron the darts to the middle seam. Sew the center back seam. Overcast and iron the seam.
4. Sew the side edges of the blouse. Stitch and press the side seams of the blouse, leaving an opening in the right seam. Place a finishing stitch 0.1 cm along the hole in the side seam. Stitch, overcast and iron the shoulder seams towards the back.
5. Place the stand pieces facing inward and stitch. Trim seam allowances and turn collar inside out. On the inside stand at the marks corresponding to the shoulder seam, cut the seam allowances. Iron the collar.
6. Cut the front from the shoulder seam to the mark. Overcast part of the shoulder seam and the bias cut of the one-piece hem. Sew the collar into the neckline: from the front side, both the upper and lower collar are sewn in at the same time, and from the back side - only the upper one. The seam allowance on the front side is 0.2 – 0.3 cm. Fold the hem to the right side and stitch to the collar and shoulder seam. Fold the hem to the wrong side. Fold the loose allowance of the inner collar inward and stitch into the seam of the top collar.
7. Fold the belt in half lengthwise, face inward, and stitch on 3 sides: two long sides and one short side. Turn the belt inside out and iron it.
8. Fold the edging to the right side, place a belt between the edging and the front and sew with one seam. Overcast the seam, fold the hem to the wrong side. Fold the open edge inward from the waistband to the bottom and stitch.
9. Stitch and overcast the sleeve seams. Iron the sleeve seams. Place a line with loosely tightened stitches between the notches and assemble the assembly. Sew the sleeves into the armhole. Overcast the seam and iron it towards the front.
10. Overcast the bottom of the product, iron it on the wrong side and topstitch.