⚠️Important notes

Mipmap problem (textures size related)

Minecraft has a bug that disables mipmap if you set textures which their size is not a power of two.

Read more here on how to avoid this problem:

I see crisp textures far away!

File and items names

Make sure you're not using UPPERCASE or special characters in items names, namespaces, texture files (png) and model files (json)