kraaglijnen
Kraaglijnen are the lines that define where a garment’s collar begins and ends along the neckline. In Dutch fashion terminology, the term refers to the edge or seam lines related to collars as used in patternmaking and garment construction.
In pattern making, the kraaglijn is drawn on a bodice or neckline to indicate where the collar
The shape of the kraaglijn varies with collar style. A classic shirt collar follows a curved neckline
Construction and alterations: when cutting fabric, the collar pieces are aligned to the kraaglijn and seam
In practice, kraaglijnen are a fundamental element in pattern drafting and fashion design, connecting the neckline