I have created and put up for sale metal 3d printed "comm" badges and a custom set of rank pins.
You can get the badges and ranks in a variety of metals and also plastics.
Please check em out.
~Artemis A used with permission.
~Admiral Jonathon "Isildur" Riley
Captain of the TSN Chiron NTE-3142, Lend-Leased from the NSEA.
Commandant of the 42nd Training Corps - Washington, DC, USA, Earth
Docere ad astra