Reproduction of the small device worn on the left arm on the uniform from The Orville.
0.4mm nozzle, 0.12mm layers
Sanded, primed, painted:
Silver - main body
Light grey - raised "button"
Black - depressed "button"
There's a channel underneath where Velcro may be epoxied in, for affixing to Velcro on the sleeve.
Modeled in Blender, based on various screen shots.