Introduction
This is a tutorial to export from gmax using 'DeX Script so that you can import to wc3.
Tools Needed
"DeX Script (i dont remember where to get it so i just attached it to this post, if you know where to get it pm me and ill edit this post)
Gmax
Magos Model Editor or MDLX Converter
Notepad (or any text editor)
A Healthy Brain
What To Do
Ok, before you start exporting theres one thing you have to do, select all of your model by left clicking and draging so that all of your model is selected ( by the way thats just my test model )
Now, right click on it and go to convert to> editable mesh
Once you've done that and are ready to export click on the utilites button
Then ,once you've done that click on the max scripts button
From there click on run script
Depending on how big the model is and how fast your computer is this may take some time
When thats done go back into max script and click open listener
Copy all of that text and open notepad (or your text editor)
Paste it all and then save it as yourmodel.mdl
Open Magos Model Editor (or MDLX Converter), and go to file>open and then open your model(if your using MDLX Converter i dont know what to do, but i trust you know)
Now your model should appear there, if not something went wrong, probably missed something when copying
Now go to file>save as and save it as yourmodel.mdx(if your using MDLX Converter i dont know what to do, but i trust you know)
And there you go, you can now import it into warcraft 3
Source