>>269202795
>deviantart or whatever to download a pre-rigged t or a-posing model
>model into blender 2.79
>CATS plugin
>fix model button
>material combiner
>everything onto one material atlas
>export
>unity
>chuck model into the scene
>select model
>humanoid rig
>configure
>confirm without changing anything because it's probably right
>create material
>assign your atlas texture from blender
>drag and drop the material onto your model
>add component "vrc_avatardescriptor"
>viewball height setting right between the eyes sticking just out from the skin by a few pixes
>upload
As the bare minimums this is it.