Seam allowance

Thread size and measurement
The material width between the seam line and the cut edge.
Also known as
Sewing allowance
Not to be confused with Not the same as additional thread allowance.
Translations
DE Nahtzugabe
FR Marge de couture
ES Margen de costura
IT Margine di cucitura
CN 缝份
VN Phần dư đường may