The present invention relates to a shaping module (M) of a laser beam comprising an enclosure (10) comprising an inlet opening (E) for the entry of a laser beam and an outlet opening for the output of said beam, said enclosure further comprising at least one optical shaping element (O) arranged in the path of the beam and a first optical element (11) for providing a focused output beam, said module further comprising a splitter element (12), arranged between said optical shaping element (O) and the first optical element (11), to extract a part (fe) of at least a portion of the incoming beam and a position sensor (20 ) of the laser beam arranged in the path of the extracted part of the beam measuring the position in at least one direction. Figure 2
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