Export from Blender to .objex, to be used with z64convert to produce binaries for use in Zelda64 modding.
Blender Addon Installation Guide
There is an improved "2.5" version of this addon in another repo:
https://github.com/z64tools/io_export_objex_2.5
That 2.5 version vastly improves the UI, all settings are in material panels and there's no need to look at the nodes.