From a friend, we have what looks like a Star Wars set of 9 bags. Bag one is missing, but I think it was just built as this. The bags say 2011 and 135149. Thanks!
It looks like 75093-1 Death Star Final Duel
- Light Bluish Gray Technic, Liftarm, Modified Bent Thick L-Shape 2 x 4
- Dark Bluish Gray Slope, Curved 2 x 2 x 2/3
- Light Bluish Gray Plate, Modified 1 x 4 with 2 Studs without Groove