I have the following problem with one of my models. I’ve created the chest with Blender, although it seems all the edges of the chest are there, you can see the light passing through them.
Any idea what it can be?
Thank you very much!
EDIT: Model added.
https://drive.google.com/file/d/0B3ELWKyJ3vaOLUkyU0EzcXJ4YU0/view?usp=sharing
EDIT2: Added .fbx file
https://drive.google.com/file/d/0B3ELWKyJ3vaObktzRUFMZEo0V2c/view?usp=sharing