Building aircraft is a tricky and time-consuming process…so why not let technology take over instead? The ‘Polecat Unmanned Aerial Vehicle’, unveiled at the Farnborough Airshow here in the UK, is the first flying vehicle to have built from parts that were ‘printed’ by rapid-prototyping fabricators, as an experiment into lowering production costs. This is a sign of things to come – manufacture will involve the human hand less and less as time goes by.