A system for producing an additively manufactured component using a powder bed, the system comprising: a positioning mechanism configured to provide independent movement of at least one mobile build unit in at least one dimension, the mobile build unit , comprising: - a gasflow device for providing a flow zone along a first direction with relation to the mobile build unit ; - a powder delivery mechanism; and - an irradiation beam directing unit , wherein the irradiation beam directing unit is configured to follow a first irradiation path , wherein the first irradiation path forms at least a first solidification line and at least a second solidification line formed at an angle other than 0° and 180° with respect to the first solidification line , wherein during the formation of the first solidification line the mobile build unit is configured to being positioned in a first orientation such that the first direction of the flow zone is substantially perpendicular to the first solidification line , and during the formation of the second solidification line the mobile build unit is configured to being positioned in a second orientation such that the flow zone along the first direction is substantially perpendicular to the second solidification line ; and the mobile build unit is rotatably mounted to the positioning mechanism about an axis substantially perpendicular to the first direction and is rotated from the first orientation to the second orientation . a positioning mechanism configured to provide independent movement of at least one mobile build unit in at least one dimension, the mobile build unit , comprising: - a gasflow device for providing a flow zone along a first direction with relation to the mobile build unit ; - a powder delivery mechanism; and - an irradiation beam directing unit , wherein the irradiation beam directing unit is configured to follow a first irradiation path , wherein the first irradiation path forms at least a first solidification line and at least a second solidification line formed at an angle other than 0° and 180° with respect to the first solidification line , wherein - a gasflow device for providing a flow zone along a first direction with relation to the mobile build unit ; - a powder delivery mechanism; and - an irradiation beam directing unit , wherein the irradiation beam directing unit is configured to follow a first irradiation path , wherein the first irradiation path forms at least a first solidification line and at least a second solidification line formed at an angle other than 0° and 180° with respect to the first solidification line , wherein during the formation of the first solidification line the mobile build unit is configured to being positioned in a first orientation such that the first direction of the flow zone is substantially perpendicular to the first solidification line , and during the formation of the second solidification line the mobile build unit is configured to being positioned in a second orientation such that the flow zone along the first direction is substantially perpendicular to the second solidification line ; and the mobile build unit is rotatably mounted to the positioning mechanism about an axis substantially perpendicular to the first direction and is rotated from the first orientation to the second orientation . <EOS>