This paper deals with the additive manufacturing by 3D printing of the Hose Pipe DN 50 landmark which is part of the Gas Reduction R2-Hose DN 2 in subassembly. This sub-assembly is a component part of the washing head of the light water well drilling installations FA 100. FA 125. FH 150 and FG 40. https://poolsproductscanadas.shop/product-category/jandy-cv-cl-parts/