I thought this prop from Halo 3 looked interesting to model. So I decided to make one myself and add my own little flair to it. Later on, I realized that Halo 2 has them too; but more colorful. It was good practice to make things look like actual metal.
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The poly count is a bit high and I was aware while doing it, but I wanted to keep the corrugated depth to avoid making it look flat.