The manufacture of three-dimensional work pieces, as e.g. bags and shoes, places special demands also on the sewing technology. The manifold operations like binding, welting, assembling and topstitching are professionally realized with the class 69. The free-arm design guarantees a material handling without any problems. The proven sewing technology with bottom feed, needle feed and alternating top feed produces displacement-free seams of high quality. A multitude of equipment variants makes the 69 a universal talent for light-weight to medium-weight applications.