Lesson 22—The Dress Form Lining The Dress Form Lining As previously mentioned it will be necessary to make a lining to be used in connection with the dress form. In this lesson you will learn exactly how to make this lining. . This pattern must extend at least ten inches below the waist line. It should be made of a good quality of unbleached muslin of which you will need two and one-half yards, one yard wide. All pieces of the pattern must be cut lengthwise of the material.