https://www.ge.com/news/reports/mad-props-3d-printed-airplane-engine-will-run-year

The company GE has been 3D printing airplane parts. The article outlines some of the benefits of this, such as:

• More cost effective
• Able to print larger parts together so the needing to assemble less parts. This results in decrease likelihood of complications
• Lighter engine parts which makes the plane more powerful and fuel efficient
• The engine is likely to last longer than a typical airplane engine.