“Right now, DoD customers and federal [contractors] often wait 28 weeks or more for a prototype printed circuit board,” says Ramsdell. “They get a batch of 10, and only one or two might work. By the ...

Conductive filament exists, but it takes more than that to 3D print something like a circuit board. The main issue is that traces made from conductive filament are basically resistors; they don’t act ...