I need to make two water inlet grilles for the Dragonfish, as in the pic below...any ideas to how to do it?
They need to be 10mm in diameter...perishing small, I know, I can hardly see the things. Or even better still, does anyone know of a commercially available item which may do the trick?

They need to be 10mm in diameter...perishing small, I know, I can hardly see the things. Or even better still, does anyone know of a commercially available item which may do the trick?

» Video 'SURFACES" that will aid submarine modelers.
» Wanted. Resin static submarine kit out of production.
» New Static Submarine kit for 2021.
» 1:120 Spanish S-80 submarine
» 1:72 U boot Scratch built
» Alf's U Boat
» Sonar 'ping'
» Pinger 3 - Distance measurement (Triangulation, Transponders and Clocks on Board)