I cant get custom item models to work on a custom recipe

I cant get custom item models to work on a custom recipe with a custom texture from my own resource pack. Any chance someone can help me?
Files:
datapack folder:
nobbledatapack
|   pack.mcmeta
|
\---data
    \---nobbledatapack
        \---recipe
                joint.json

resourcepack folder:
nobblepack
|   pack.mcmeta
|   pack.png
|
\---assets
    \---nobbledatapack
        +---models
        |   \---item
        |           joint.json
        |
        \---textures
            \---item
                    joint.png