Abstract: Method for operating an apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), wherein at least one energy beam (4) is guided along at least one track segment (13, 16-18) in the build plane based on irradiation data generated based on a space-filling curve.

Abstract: Application unit (1) for applying, in particular powdery, build material in a build plane (2) in a process chamber (3) of an apparatus (4) for additively manufacturing three-dimensional objects, which application unit (1) comprises an application element (5) carried by an application element carrier (6), characterized in that the application element (5) is coupled to the application element carrier (6) via at least one deflection unit (9).

Abstract: Method for calibrating an apparatus (1) for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam (2-5), which apparatus (1) comprises at least two irradiation units (7-10), each adapted to generate an energy beam (2-5), wherein each irradiation unit (7-10) is adapted to guide the corresponding energy beam (2-5) across an individual guiding region (21, 23, 25, 27) in a build plane (11), wherein at least two guiding regions (21, 23, 25, 27) overlap in at least one overlap region (29-33), comprising the steps: generating at least one calibration pattern (14-17) in the at least one overlap region (29-33) via each of the at least two energy beams (2-5), wherein the at least two calibration patterns (14-17) are generated in defined relative positions forming a superordinate pattern (18) in the at least one overlap region (29-33) determining a calibration status

Abstract: Method for operating an apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy beam (4), wherein at least one energy beam (4) is guided along at least one track segment (13, 16-18) in the build plane based on irradiation data generated based on a space-filling curve.