Crucigrama Function of Pattern MarkingsVersión en línea What do the symbols on sewing patterns mean? How can they be used to create quality products? por Chelsea Ralph 1 _______ and lengthening line are used to change the length of pattern pieces for a better fit. 2 Used to orientate sewing pattern on fabric, must be placed parallel to the selvedge. 3 Line with arrows used to indicate that the pattern piece is actually only half of what will be cut out, and needs to be placed on a fold. 4 What kind of line goes around the outside of pattern pieces and may be in a variety of sizes 5 Small triangle along the cutting line that are used to match pieces of the pattern together. 4 3 5 1