The top looks too flat to me. It needs some machinery there. I don't know what, it just needs something mechanical to break up what seems like too even a shape. Does it fly? Is it a vehicle? It puts me in mind of the radio controlled robots the police and bomb squads use. If it flies, it would need some sort of wing design and rudder design. If it rolls it needs tracks. The poles and torus's on the sides could benefit by being a bit thinner, more delicate looking. And maybe some sort of small radio or radar dish for sensors. Not solid, more like a mesh.

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