How to properly export models from blender to gmod

Hey, I have looked up multiple tutorials but they all seem to be errors. What is the correct format and how do i got about doing it?

[editline]27th April 2015[/editline]

Buu342 has some guides on his YouTube channel.

Indeed I do.

If you need some help, I’m available to provide it. Just leave a comment on my profile if you’re thinking of adding me on Steam.