This is a nice low-poly piece. The composition is nice and the silhouette is strong enough that players wouldn't confuse this for a modular wall piece. I do agree with ~jackmcslay that you should put a biped or illustration of character height to relate scale to the viewer. Other than that, I would politely suggest changing your presentation backgrounds to something other than pure black. Even an 75% grey would improve the presentation.
Honestly I think the design is too busy. There's a number of details that look like they only make the door more expensive, mainly having too much vents and pipes and the casing for the vent on the middle top having a dozen separate parts.
Also, is the door meant to be really tall? Otherwise it seems it would be awkward for people to crouch in order to use the control panel