NOVELTY - The system comprises a radiation-sensitive material (6) configured to initiate, polymerize, crosslink and dissociate with exposure to radiation, a pulsable radiation source (8) configured to project a radiation beam (14) with a vector, a radiation directing device (10) selectively positionable to direct the radiation beam in a desired direction and expose the radiation-sensitive material to the radiation beam, and a mask disposed between the radiation source and the radiation directing device. The radiation directing device includes mirrors (16).    USE - The system is useful for fabricating a radiation-cured component such as diffusion media, bipolar plates and subgaskets of a polymer electrolyte membrane fuel cell, which is useful as a power source for electric vehicles.    ADVANTAGE - The system is capable of efficiently, rapidly and economically fabricating the radiation-cured component thus improving the conversion efficiency of the fuel cell.    DETAILED DESCRIPTION - The system comprises a radiation-sensitive material (6) configured to initiate, polymerize, crosslink and dissociate with exposure to radiation, a pulsable radiation source (8) configured to project a radiation beam (14) with a vector, a radiation directing device (10) selectively positionable to direct the radiation beam in a desired direction and expose the radiation-sensitive material to the radiation beam, and a mask disposed between the radiation source and the radiation directing device. The radiation directing device includes: mirrors (16) that are individually selectively positionable to direct the radiation beam in desired directions and are arranged in an array disposed above the radiation-sensitive material; and a refractor. The radiation directing device is: selectively positionable between an active state to an inactive state, where the active state is configured to direct the radiation beam towards the radiation-sensitive material and the inactive state is configured to direct the radiation beam away from the radiation sensitive material; rotatable about an axis to facilitate the selective positioning of the radiation directing device; disposed between the first and second radiation sources; configured to direct the radiation beams from either of the first and second radiation sources; and a digital micromirror device including micromirrors arranged in an array. The mask has radiation-transparent apertures for providing a desired radiation-cured structure. The radiation source: includes a first radiation source and a second radiation source, where the first radiation source is disposed on a first side of the radiation sensitive material and the second radiation source is disposed on a second side of the radiation sensitive material; and facilitates a pulsing of the radiation beam when the radiation directing device is positioned. Each of the micromirrors has an average width of 0-20 mm, and is rotatable between +/- 12 degrees . An INDEPENDENT CLAIM is included for a method for fabricating a radiation-cured component.    DESCRIPTION OF DRAWING(S) - The diagram shows a schematic view of a system for fabricating radiation-cured structures.    Radiation-sensitive material (6)    Radiation source (8)    Radiation directing device (10)    Radiation beam (14)    Mirror. (16)