The most important results of the research programme Clothing Engineering and Materials, which was based on complex research on the study of fabric mechanics and fabric as a shell - garment, and was subdivided into three, thematically connected parts, which included: a) basic research on the study of fabric mechanics from the point of view of non-linear mechanical properties of fabrics at lower loading and modelling the fabric and fused panel as a shell, b) study of behaviour of fabrics and partly also leather for clothing at lower loading, i.e., during garment manufacturing processes and has the applied character, and c) study of the relationship between mechanical properties of fabrics and appearance quality of the produced garment, can be given in the form of the following achievements: - Definition of the principles of fabric behaviour during garment manufacturing processes from the point of view of non-linear mechanical properties of the fabric. - Designed and experimentally confirmed was the geometrical and mechanical model of the fabric as a shell and fused panel. - Simulations of fabric and fused panel draping have been made using the programme package ABAQUS, based on numerical analysis with the finite elements method. - Definition of the relationship between parameters of mechanical properties of fabrics and their response to acting tensional loading, resp. relationship between the resulted deformation and relaxation. - Design of the system for prediction of the behaviour of the fabric during garment manufacturing processes "NAPOVED1.1DZ", which integrates the achieved cognitions based on basic research on fabric mechanics into the knowledge base, consisting of three modules using the programme Microsoft Access. - Simulation of the movement of a needle mechanism and take-up lever using the programme system ADAMS with the definition of interactions between sewing machine mechanisms and sewing thread. The results of the detailed analysis of the stitch formation process and gained knowledge on loading of a thread in the sewing process can be used for study of the influence of sewing process parameters on engineered planning of sewing, as well as for planning the control over the stitch formation process. - Set-up of the relationship between the rheological properties of the sewing thread in seam area, resp. their behaviour at cyclic loading. - Definition of the relationship between constructional parameters of the sewing thread, mechanical properties and deformations of fibres, spun into the yarn and thread. - Definition of the relationship between mechanical properties of leather for production of clothing and its processing properties. Definition of limit values of individual parameters of those mechanical properties. - Definition of the principles and relationship between fabric mechanical properties and appearance quality of a produced garment. Achieved cognitions, resp. discovered principles about behaviour of fabrics, leather for clothing and sewing threads at lower loading, important for garment manufacturing processes and for use of garments, as well as designed and experimentally confirmed fabric simulation models, prediction of fabric behaviour in garment manufacturing processes, simulation of the movement of needle mechanism and take-up lever with defined interactions between sewing machine mechanisms and thread, and cognition about the relationship between the parameters of mechanical properties of fabrics and appearance of produced garments, represent an important contribution to the development of science and can be stated as a starting point for setting-up the engineered concept for garment planning, based on knowledge.