MakerWorld Profile NFC Keychain

This is a little NFC Keyfob that hides a little NFC disk inside.The print profile pauses at .6mm to allow you to slip one of these inside: https://amzn.to/3N4GXDhYou can buy anything similar search for NTAG215.You can then write a “bookmark” tag with any NFC tag writer application such as NFC Tagwriter by NXP