YANTR

Black Dye, Paper, and an Iron Nugget:

!Name Tag Visual Recipe

That's it. That's the mod.

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Tested with Fabric API 0.92.0+1.20.1

Spoiler

This mod is provided "as is". It should technically work on all 1.20.X versions of the game. I am not planning to update/backport this mod to a different version of Minecraft. You're free to do so yourself, however.