KC Sealock had not taken a standardized test since college. But here he was at 39 years old, long black beard flecked with grey, sitting in front of a computer at Jacksonville, Florida's Herlong Air Field, with a proctor peering on from behind a glass door. He spent two hours clicking at multiple choice questions about latitudes and longitudes, Class C airspace regulations, wing load factors, and more - 60 in all.
Before we ask where 3D printing is taking us, let's look at what has been already achieved or is near achievement across markets beyond printing prototypes, toys and models.