
Shulker Box GUIs:
https://www.curseforge.com/minecraft/texture-packs/shulker-box-guis

Author Shulker Box GUIs:
https://www.curseforge.com/members/petasiwastaken/projects

Some textures were taken from the resource pack Unique Dark. For example, GUI inventory.

Unique Dark:
https://modrinth.com/resourcepack/unique-dark

Author Unique Dark:
https://modrinth.com/user/AmongstReality