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You're still not really doing enough to give this any sort of 3 dimensional depth. Unless you're really pushing a stylization here, i would suggest trying to focus highlights where light would build when an object, say the sun, shines on it. At this moment it gives an odd the impression of a paper 'doll' of sorts due lack of depth.
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Right off the bat i feel there are major perspective issues with it. The left side comes up higher than the right, and the object ends flat when the 'overhead' like perspective should carry through to the bottom of it. IE, the bottom of the box should follow the same shaping as the 'lid'. I'm also perplexed by the lack of detail. Compared to how you textured the tank, this looks very...unfinished. Is there a specific reason for that?
You're still not really doing enough to give this any sort of 3 dimensional depth. Unless you're really pushing a stylization here, i would suggest trying to focus highlights where light would build when an object, say the sun, shines on it. At this moment it gives an odd the impression of a paper 'doll' of sorts due lack of depth.
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Right off the bat i feel there are major perspective issues with it. The left side comes up higher than the right, and the object ends flat when the 'overhead' like perspective should carry through to the bottom of it. IE, the bottom of the box should follow the same shaping as the 'lid'. I'm also perplexed by the lack of detail. Compared to how you textured the tank, this looks very...unfinished. Is there a specific reason for that?