build-win for Windows and build-linux for Linux) in the "Artifacts" menu (you have to be signed into Github)Once you've added ce2utils to your Path variable, open a command prompt.
To extract a model as obj:
nif_info -obj -o [path to save obj] [path to Starfield data] [nif filename]
To extract the MTL:
nif_info -mtl -o [path to save mtl] [path to Starfield data] [nif filename]
For example, if you want to extract the Maelstrom model and mtl, and your Starfield is installed in the usual steamapps location:
nif_info -obj -o maelstrom.obj "C:\Program Files (x86)\Steam\steamapps\common\Starfield\Data" maelstrom.nif
nif_info -mtl -o maelstrom.mtl "C:\Program Files (x86)\Steam\steamapps\common\Starfield\Data" maelstrom.nif