Here are some amazing 3 dimensional artworks gathered from Deviant Art all by Jasso.
Cybertron planet
Matte painting of the planet surface.

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“Mass effect 2 village
Matte painting done in 3ds max, photoshop and fusion for final compositing.

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“Star Wars 2
Another of the 3D matte paintings I did for star wars old republic cinematic, done at Blur studio,I can’t [...]