Sweden's Volvo made the three-point seatbelt design patent open and available to other car manufacturers for free, in the interest of safety. It saves one life every 6 minutes.
Hmmm....
Quite well drawn in most respects! I would recommend a thinner brush for outlines, however. The thick, chunky lines give the whole thing a cruder impression that makes it harder to notice how well the rest of it has been done.
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