New NRL 3D-printed antenna designs reduce cost, weight and size
Manufactured column element parts of cylindrical arrays used for testing the viability of additive manufacturing to make cylindrical arrays at the U.S. Naval Research Laboratory, Washington, D.C., Sep. 5, 2019. From left to right: metal 3D print, stereo lithography (SLA) print, selective laser sintering (SLS) Nylon print with electroplating, and SLA print with electroplating.