The most important advantage of the process, they say, is that complex parts that are hard to mold can be created through sintering. They claim that an aircraft can be put together in a matter of days and if, after testing, the design needs tweaking it can be reworked on the computer and "printed" out again.
This is a companion discussion topic for the original entry at https://www.avweb.com/news/almost-instant-uav-flies