This is my final result for my 3D course this semester. I used Autodesk Maya to create the scene and added some last touch-ups and details in Adobe Photoshop in post.
I used this image as a reference:
Geforce.com
I tried to re-create the scene as well as possible, but I didn't have much time in the end, I decided to change the selling-point of the image. The portals also make for a better color contrast and therefor overall more interesting shot. All textures are hand-painted.
Excellent work! Im trying to learn Maya atm, but its quite hard ...
Portal 2 is a awesome game.