In July, GE Aviation announced that they would be developing a plane with a partially 3D printed engine for Textron Aviation. The Cessna Denali, a private turboprop plane, would use 20% less fuel than comparable models, while providing 10% more power, thanks in part to a streamlined engine design with multiple 3D printed parts - 35% of its parts, in fact, more 3D printed components than any other production engine in the history of aviation. This week, GE revealed that they have made significant progress. Over the course of the last year and a half, the company designed and built a demonstrator engine to test 12 additively manufactured parts for the eventual Advanced Turboprop (ATP) engine, and this week they put it to the test. Read more at 3DPrint.com: https://3dprint.com/154342/ge-aviati...ced-turboprop/