Personalization

3D prints:

world map 2d (elevated buildings): https://map2model.com/

QR: https://makerworld.com/en/models/1285451-qr-code-generator-for-keychain?from=search (and other, check makerworld)

Space music deployable tags (play background music wherever you go in phone etc. to get the vibe of it. e.g. set your own music, and hear it without having to manually change it.