Body armor for the case?
I wanted this case to incorporate aspects of several types of Iron Man armor, starting with his original dull gray steel. Although rivets were not always in evidence, these would add to the effect of heavy plate on the panels. Starting with the case itself, I anchored short lengths of aluminum angle (L brackets) to the top and front edges of the chassis. These were used as anchor points to attach two curved steel panels at the bottom front and top rear of the case. To strengthen the sheet metal, I riveted ribs of aluminum bar stock to the outer edges using two rows of heavy nickel wire for the pins.