The need of descriptive geometry (DG) course reorganization in the direction of reflecting in it the foundations of modern computer 3D geometric simulation techniques is shown. The full rate use of 3D methods calls on students a special theoretical training. New techniques require the knowledge of computer as modern 3D geometric simulation tool. A new theoretical course composed of three modules has been proposed. The basics of 3D are given initially. Then, in accordance with the FSES-3 requirements, the DG elements are given by the example of positional tasks, but they are also underpinned by 3D-methods. The proposed DG course reorganization on the basis of 3D computer geometric simulation will permit to equip the students with new methods of decisions related to graphic tasks, significantly increase their competitiveness on the labor market, as well as to raise the graphics chairs’ rating.