TY JOUR TI REVERSE ENGINEERING OF ROLLING STOCK SPARE PARTS USING OPTICAL 3D SCANNING KW digital preparation KW 3D scanner KW polygonality KW structured illumination KW mesh grid KW technology KW repair JO Transport engineering AU Eliseikin, E.I. AU Khudorozhko, M.V. AU Rafikov, R.H. PY 2025 IS 2025 PB Bryansk State Technical University