Complex surface modeling (NURBS, T-Spline, Subdib), solid body (CAD) modeling. Preparation of models of designers for manufacturing (CNC, 3D-printing, forming etc.) Realistic human body modeling for CAD (NX, CATIA, SolidWorks, Inventor, Rhino3D etc). A deep understanding of the structure of 3D data formats, which allows convert between 3D-design and CAD-programs