Bookshelf-NeoForge-1.20.2-21.0.8.jar is a release file of the Minecraft resource pack Fabulous 3D for NeoForge, made for Minecraft 1.20.2. It was published on November 14, 2023 and is 0.3 MB in size. For the full description, screenshots and every other version, visit the Fabulous 3D resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.
