This measure is the maximum width of a piece of fabric, between its two selvages. Our patterns refers to common french width values (140cm/55”) most of the time.

A woven fabric is made of interlaced threads: the warp threads are parallel to the selvage of the fabric (height wise). The weft threads are at right angles to the warp threads (lengthwise). The weft threads are woven through the warp threads : there are several…