Control element for printed objects

The applied to the control unit for printing. The control unit with a first graph the first printing of printing, comprising at least a first set of geometry shape. Comprising a on the printing the second graph of the second printing, the second graph of printing and aligning with the back surface of the first graph, the second graph at least comprises the second group are opposite to the first geometry shape. In geometry shape and at least one group comprises a displacement section, wherein the reverse side alined is correcting, the control unit with variable density area, and seeing under the transmission light and a wherein the displacement section production.