CONTROL UNIT, DEVICE, AND METHOD FOR THE PRODUCTION OF A THREE-DIMENSIONAL OBJECT

摘要

The invention relates to a device (1) for producing a three-dimensional object (2) by solidifying build material (13) layer by layer on a cross section of the object (2) to be produced in locations (43) corresponding to a respective layer, which device (1) contains a coating device (12-14) for applying a layer of the build material (13) to a working plane (10), a solidifying device (20) for selectively solidifying the build material (13) in the applied layer, and a gas extraction nozzle (34) for extracting gas out of the device (1). The gas extraction nozzle (34) is arranged movably, and the device (1) is formed to control or regulate a movement and/or orientation of the gas extraction nozzle (34) depending on a number of reference points (51, 53, 55a, 55b, 55c, 55d).