A possibility: I don't know what diameter you want, but if you can find a small enough diameter circular gunsight (1/48 or even 1/72) and dish it with the end of a paintbrush handle, it might work. Also dish antennas for 1/350, or 1/700 scale ships.

A possibility: I don't know what diameter you want, but if you can find a small enough diameter circular gunsight (1/48 or even 1/72) and dish it with the end of a paintbrush handle, it might work. Also dish antennas for 1/350, or 1/700 scale ships.
:wave_1: