I recorder a session of editing existing models with Blender.
It covers alot af ground, and its an updated version of my first tutorial
1. How to import and export with the GMT
2. How to bring the obj file into Blender.
3. Editing the model with Blender
4. UV mapping the new faces on the model
5. Exporting from Blender back to GMT
6. Scaling inside the GMT and assigning the correct materials
7. How to bring the edited model back into the game.
8. Normal maps and how you need to recalculate tangents
This is a raw session, no cuttings corners and is about 50min in lenght showing the full process (and my mistakes

http://www.youtube.com/watch?v=tMrs7j2J354&feature=plcp
In this session we take the temple_pillar model and create a broken version of it.

Skuggasveinn.