A method of continuously imparting different visually detectable features to a plurality of articles is provided. The method includes providing a printing unit having two or more printing rolls each having a visually detectable pattern, wherein the printing process may fit rolls that are less than or equal to a maximum circumference. The method further includes providing a web having a print pitch that is greater than one half the maximum circumference, providing a first roll wherein the roll circumference is equal to the product pitch, and providing a second roll characterized in that the roll circumference is equal to either 0<；X<；1 where X is chosen such that 1/X ≠ an Integer or 1<；X<； Cmax/P, wherein X is a multiple of the first roll circumference, Cmax is the largest circumference allowable by the printing unit, and P is the product pitch. The method further includes imparting the visually detectable patterns to the web by means of the two or more rolls.
