Plant for additively manufacturing at least one three-dimensional object, comprising: - at least one process station (3a - 3c) being configured to perform an additive manufacturing process and/or at least one preprocessing process for an additive manufacturing process and/or at least one postprocessing process for an additive manufacturing process, wherein the process station is an apparatus for additively manufacturing at least one three-dimensional object by means of successive layerwise selective irradiation and consolidation of build material layers which can be consolidated by means of being irradiated with at least one energy beam; - at least one conveying device configured to convey a build module, an overflow module, or a dose module between at least two positions (P1, P2) of the plant, the conveying device comprising: -- at least one conveying element, the at least one conveying element being at least partially bound to ground; -- at least two conveying carriages being connectable or connected with the conveying element so as to be moveable between the at least two positions (P1, P2) of the plant, the at least two conveying carriages comprising at least one supporting interface for supporting the build module, the overflow module, or the dose module, characterized in that the at least two conveying carriages each comprise a coupling interface configured to establish a coupling with at least one further conveying carriage, so as to form a conveying carriage assembly and/or with at least one traction carriage. - at least one process station (3a - 3c) being configured to perform an additive manufacturing process and/or at least one preprocessing process for an additive manufacturing process and/or at least one postprocessing process for an additive manufacturing process, wherein the process station is an apparatus for additively manufacturing at least one three-dimensional object by means of successive layerwise selective irradiation and consolidation of build material layers which can be consolidated by means of being irradiated with at least one energy beam; - at least one conveying device configured to convey a build module, an overflow module, or a dose module between at least two positions (P1, P2) of the plant, the conveying device comprising: -- at least one conveying element, the at least one conveying element being at least partially bound to ground; -- at least two conveying carriages being connectable or connected with the conveying element so as to be moveable between the at least two positions (P1, P2) of the plant, the at least two conveying carriages comprising at least one supporting interface for supporting the build module, the overflow module, or the dose module, characterized in that the at least two conveying carriages each comprise a coupling interface configured to establish a coupling with at least one further conveying carriage, so as to form a conveying carriage assembly and/or with at least one traction carriage. -- at least one conveying element, the at least one conveying element being at least partially bound to ground; -- at least two conveying carriages being connectable or connected with the conveying element so as to be moveable between the at least two positions (P1, P2) of the plant, the at least two conveying carriages comprising at least one supporting interface for supporting the build module, the overflow module, or the dose module, characterized in that the at least two conveying carriages each comprise a coupling interface configured to establish a coupling with at least one further conveying carriage, so as to form a conveying carriage assembly and/or with at least one traction carriage.