a processing machine includes a plurality of radiating modules disposed in a row , and a process chamber module configured to releasably attach to the plurality of radiating modules . the process chamber module includes a process chamber defining a processing field , a construction platform , a powder coater , and a powder reservoir . the powder coater is configured to apply a powder material layer - by - layer in a direction of the construction platform within the processing field . the powder reservoir is configured to infeed the powder material to the powder coater . each radiating module includes a respective energy beam source configured to generate an energy beam , and a respective beam guide configured to guide the energy beam in a direction of the construction platform within a portion of the processing field . the portions of the processing field of two adjacent radiating modules partially overlap .