Hello Akadrus.
You will need these:
http://deadlystream.com/forum/files/file/280-kotor-tool/
http://deadlystream.com/forum/topic/3875-nwmax-plug-in-for-3dsmax-2014/
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Open the kotor tool do all things necessary things to get it the right directory to your kotor(This is how I did it for KOTOR I, Idk about tsl)
Open "BIFS"
models.bif then "Aurora Model" (Picture: https://gyazo.com/749978784fe9dbc33261fad42a52745e)
Find the model you want For example I'll be using p_t3m3.mdl
Click on it then hit "Extract File"
Then scroll up and open "Aurora Model Extension" (Picture: https://gyazo.com/bee13071fea78323e755c76037605458)
Find the file with the same name as the one you got before. In my example, it'd be p_t3m3.mdx
Extract file with this one.
To setup nwmax:
When you download it you should put it in the "Scripts" folder to 3dsmax.
An example: C:\Program Files\Autodesk\3ds Max 2017\scripts\
To import it;
Load 3dsmax
At the top(for me atleast) click "Scripting" (Picture for location https://gyazo.com/ad5d22a9496610e3e142ecab08013374)
Click "Run"
In the "Choose File" box, go to your "scripts" file (in my case C:\Program Files\Autodesk\3ds Max 2017\scripts\)
Go into NWMax file and open "nwmax" (https://gyazo.com/dd492481697c64f886c855f7c8851b92)
Once it's loaded;
Open the "MDL Loading" tab
Below "Filename" click on "Browse"
Get your .mdl model
Import Geom Only
Then hit Import
Exporting? Err.. I haven't gotten to export to mdl yet. http://deadlystream.com/forum/topic/5594-3dsmax-nwmax-export-error-help/
If you have any issues, just reply and I'll try to help you.