Facility for additive manufacture of three-dimensional objects , comprising - at least one apparatus which is designed for additive manufacture of a three-dimensional object by successive layer-wise selective light exposure and associated successive layer-wise selective hardening of construction material layers which are to be hardened selectively by means of an energy beam , wherein the apparatus comprises a process chamber inside which additive construction processes for additive production of three-dimensional objects can be carried out, - at least one powder module (11a - 11c) which can dock onto the process chamber of the at least one apparatus and which comprises a receiving chamber that defines a powder chamber volume and is intended for receiving construction material that is to be hardened or is not hardened, within the context of an additive construction process, and/or a three-dimensional object that is to be manufactured or is manufactured additively within the context of an additive construction process, characterised by at least one cleaning module which can dock onto the process chamber of the at least one apparatus and which comprises a cleaning device which is designed for automatable or automated cleaning, at least in portions, in particular completely, of the process chamber or a functional component of the apparatus which is arranged or formed inside the process chamber , wherein the cleaning of the process chamber of an apparatus or of a functional component arranged or formed in the process chamber of an apparatus includes removal of deposits, resulting on account of the process, on the process chamber walls defining a process chamber interior of the process chamber , and/or on the functional component walls that define, in particular reveal, an outer shape of a relevant functional component. - at least one apparatus which is designed for additive manufacture of a three-dimensional object by successive layer-wise selective light exposure and associated successive layer-wise selective hardening of construction material layers which are to be hardened selectively by means of an energy beam , wherein the apparatus comprises a process chamber inside which additive construction processes for additive production of three-dimensional objects can be carried out, - at least one powder module (11a - 11c) which can dock onto the process chamber of the at least one apparatus and which comprises a receiving chamber that defines a powder chamber volume and is intended for receiving construction material that is to be hardened or is not hardened, within the context of an additive construction process, and/or a three-dimensional object that is to be manufactured or is manufactured additively within the context of an additive construction process, characterised by at least one cleaning module which can dock onto the process chamber of the at least one apparatus and which comprises a cleaning device which is designed for automatable or automated cleaning, at least in portions, in particular completely, of the process chamber or a functional component of the apparatus which is arranged or formed inside the process chamber , wherein the cleaning of the process chamber of an apparatus or of a functional component arranged or formed in the process chamber of an apparatus includes removal of deposits, resulting on account of the process, on the process chamber walls defining a process chamber interior of the process chamber , and/or on the functional component walls that define, in particular reveal, an outer shape of a relevant functional component. <EOS>