Mastodon Feed
An open NFC tag standard for filament spools: https://openprinttag.org/
The data format seems nice, the generator looks slick, and it’s fully open. Finally, smart spools without vendor lock-in! 👏
https://openprinttag.org/generator/
https://specs.openprinttag.org/#/nfc%5Fdata%5Fformat