3D Systems (NYSE: DDD) announced today that it will be featuring functional 3D printed aerospace parts and assembliesmanufactured by its on-demand, cloud-based 3D printing service, Quickparts, at the AeroDef Manufacturing Summit and Exposition, being held February 25-27, 2014 in Long Beach, CA. 3DS' Quickparts offers instant, online quotes and cloud manufacturing of 3D printed, functional, end-use parts.…