1. A method for printing inks on a substrate, which comprises the following steps: i) creating a digital file of an original image, ii) processing said digital file to obtain a processed digital file, which processed digital file is made up of a number of compositions of the original image, iii) presenting the processed digital file to a printing unit, iv) printing the a substrate by means of said printing unit, wherein the processed digital file is printed on the substrate by the printing unit as a processed image of the original image, using inks, wherein an original dimension of the original image used in step i) is smaller than a dimension of the processed image being printed on the substrate by the printing unit.