Quadcopter? Try this sintered fixed wing from Southampton (home of the Spitfire).
Euan Williams
Our Quadcopter-flying mac friends at Solutions in Bournemouth -- introduced at the last meeting there -- and anyone interested in 3D and manufacturing may like to reflect on Southampton University’s printed plane (includes video):New Scientist article with video
SULSA web site
Instructions for building 3D sintering printers are available on the web, and are well within the capacity of a school science department.