Making Decals

I'm trying to repaint some locos that requires lettering on parts of the locomotive that are mirror too two sides... any guide on making these decals?
https://railworksamerica.com/forum/
https://railworksamerica.com/forum/viewtopic.php?f=9&t=17158
GenericZack wrote:I'm trying to repaint some locos that requires lettering on parts of the locomotive that are mirror too two sides... any guide on making these decals?
GenericZack wrote:Lol. but in all seriousness this is something we should all know!