Originally posted by Vintage:

Because it's SUPPOSED to do that when you don't tell it what to compile.

And how am I supposed to tell it what to compile? I'm new to this, I had no idea that making simple models required so much stuff to do. What do I do?

Originally posted by Vintage:

C:\Program Files (x86)\Steam\steamapps\Team Fortress 2\bin\studiomdl.exe

But it opens for a fraction of a second then closes... Why does valve have to make these thing so hard to do? God dammit.

Originally posted by Vintage:

C:\Program Files (x86)\Steam\steamapps\Team Fortress 2\bin\studiomdl.exe

Awesome, found it thanks!

Originally posted by Vintage:

If you can't find it, you haven't installed Team Fortress 2, because it's included with it.

Pretty sure I did actually install tf2, I just don't know where to find it.

Originally posted by Vintage:

StudioMDL.

Umm isn't it the same as GUIStudioMDL? Because I can't even find the one you're talking about.

Originally posted by Vintage:

Firstly, don't use outdated tools (GUIStudioMDL is an example). Secondly, use Team Fortress 2's compiler for the best results (seeing as Garry's Mod fully supports Team Fortress 2-compiled models, Team Fortress 2 compiles DirectX 7<, 8, and 9> models, and Team Fortress 2 is free).

Umm ok, what tf2 compiler can I use?

I don't have neither Half life 1 ep 1 nor orange box. Does that mean I can't make any models for gmod? Because that would be pretty lame honestly.

What do I use to compile them?

I probably sound like an idiot.
I tried exporting in SMD because I remember pretty well that's what GMod used. It didn't work, I also tried in SFM but there was no other model with .smd format.

Originally posted by Vintage:

In the Scene properties (the third icon in the icon list) on the right.

Thank you ! :D