With a new year its carinval season accross the carribbean, but I saw their were no Flags to 3D print so I made some in Fusion360. These are a lightbox design that can be wall mounted with a small pin and lighting them via traditional USB.
Just uploaded, enjoy please rate and comment on the printif you can. Thanks for your interest.
https://makerworld.com/en/models/438770#profileId-344308