Great design, but although the first two stars weren't too tricky, I became frustrated trying to figure out how to reach the Win. I couldn't visualise how various devices would line up when the doors were closed (and the shadows didn't help, though that's not your fault). I can't quite give it five stars, as finding the solution was a relief rather than a pleasure.
I really enjoyed the interaction of the doors and lid, . The inside is a bit difficult to see at times due to the shadows, but I don't want to take off a whole star for it, . I will call it 4.5 stars and round it up to 5, .
I agree with @Jom . The shadows made the level a little harder than perhaps it needed to be, but the fact that it was so cleverly and compactly put together pushes me into five star territory. Spoiler You look at all those funny shapes on the swinging doors and can't make sense of them by themselves, but everything fits together just so. My video walkthrough is straightforward this time -- emphasis on trying to be clear. Spoiler: Video Solution