FAMM is a Mod adding all (latin & cyrillic) Letter Blocks to Minecraft and also some other things, like math signs/symbols or decorations.
YT Videos
Bilibili Video
3.3.0 https://www.bilibili.com/video/BV1zA411T7Ce
3.4.+ https://www.bilibili.com/video/bv1yh411Q763
Dependency: FCL (Fexcraft Common Library)
