A device for dry-decorating comprising a mobile plane (2), predisposed for transporting ceramic bases (40) along a longitudinal direction (x); a silk screen (3), slidable in a transversal or longitudinal direction (y or x) along a tortuous trajectory in which at least an active tract (3a) of the screen (3) is arranged in a parallel position to the mobile plane (2), the silk screen (3) and the mobile plane (2) being perpendicular to a vertical plane; a hopper (6), predisposed to deposit powder material on the active plane (3 a), which hopper (6) is slidable contactingly with the active tract (3 a) of the silk screen (3) in a longitudinal or transversal direction (x or y).