TY JOUR TI Test Tasks on Bases of 3D-Modelling KW solid-state simulation KW associative sizes KW parametrical sketches KW engineering and computer graphics KW CAD-systems KW test tasks KW KOMPAS-3D system JO Geometry & Graphics AU Bolshakov, V.P. AU Chagina, A.V. PY 2016 IS 4 PB INFRA-M Academic Publishing LLC.