a plain seam the most typical seam found extensively in apparel is the simplest type in which a single row of lock stitches joins two pieces of fabrics together. thus, investigating the effect of a plain seam on fabric drape has a significant value for both the textile and clothing industries. the quantified drapeability of a fabric into a dimensionless value called a "drape coefficient", which is defined as the percent of the area from an angular ring of fabric covered by a vertical projection of the draped fabric (brand r.h.1964)."drape co efficient(dc)"the main parameter used to quantify fabric drape(naraharikenkare and traci may-plumlee.2005). though useful, it is insufficient to characterize complex forms such as garments. stylios and zhu,1997 considered that the drape coefficient by itself did not capture the full aesthetic quality of the drape of a fabric.
drape profile of fabrics with seams provide guidance for garment designs and producers in the apparel industry and improve the understanding of drape properties corresponding to different seam features(fourt.I and hollies.n.r.s.1970). furthermore, we expect that the results will be useful in predicting garment drape with clothing cad systems.