A spigot plugin that allows the creation of Custom Items and Blocks with config files for each Item/Block CustomModelData is supported!
NIU is a spigot plugin for adding custom blocks and items using config files for each custom item/block.
There is 2 file templates that are in the plugin's data folder to learn how it works.
commands:
All current config options (Contact me on discord if you have suggestions: kane44hd):

We have a discord now!!! https://discord.gg/62493Tu5AD