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In this work, it is proposed to make by additive manufacturing through 3D printing with FDM technology FDM (Fused Deposition Modeling - Modeling by Depositing Fusible Filament) some landmarks of the washing head which is common to the light water well drilling rigs FA100, FA125, FH150 and FG40. A washing head like the FA100 washing head, which has the casing and the drilling fluid supply fittings, 3D printed from PETG and ABS+ filament, has never been made in Romania. The main advantages of using this manufacturing technology are that by purchasing such equipment, a large number of different landmarks can be made and the final price of the landmark.