It may be painfully obvious, but this character is a first for me (also my very first post here). So it's a robot, but if you couldn't tell that, then I've already got problems here. I'm not sure if my shading is looking right. Its body parts are essentially cylinders, but how can I emphasize that? Also, any suggestions for the eyes? This is a "bad" robot, so he should be intimidating, or at least apathetic looking.
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EDIT: Thanks for the help, visible now?
1x
2x
EDIT: Thanks for the help, visible now?