The tutorial contains examples of solving typical problems of descriptive geometry without using the classical algorithms of this discipline. The answers to the questions posed in the tasks are obtained exclusively through 3D models built according to the parameters of the specified 2D drawing. The main purpose of this work is to illustrate the solution of typical problems of descriptive geometry in an unconventional way, which in the 18th century was based on the image of three-dimensional objects on a plane in the form of projections.