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A decade ago, General Electric selected its engine parts plant in Auburn, Alabama, to lead a deeper plunge into the world of additive manufacturing. Today, 3D printers installed at the facility produce complex jet engine components from metal powders — a process more efficient than traditional manufacturing methods.

As testament to the Auburn plant’s increasing relevance, it’s been singled out for the largest in a series of hefty investments across 14 states by the newly named GE Aerospace. The $54 million Auburn infusion, announced in March, will allow the expansion of 3D printing for components such as high-pressure turbine airfoils, which the Auburn plant specializes in.