Joonised ja muu illustreeriv materjal tehakse tehnilise joonestamise nõuete kohaselt joonestusvahenditega vastupidaval valgel ja siledal paberil formaadis A4 (210 × 297 mm) tugeva musta kustumatu joonega, varjutamata ja värvimata.
... Applied and technical drawings differ in principle from art drawings in that they record unequivocally an objective set of facts and on the whole disregard aesthetic considerations. The contrast to the art drawing is sharpest in the case of technical project drawings, the purpose of which is to convey ... exact information that makes possible the realization of an idea ...