AMS stacking bracket NOT fully validated

I'm planning on buying a second AMS just to use different materials (not for the color). I spent a week designing this 2-tier stack, completing many fit tests, but chickened out before the final product could be printed. I knew it would be big, but I didn't expect it would require 3kg of filament and the printing time would probably be more than a week (I don't run a print farm and don't have a printer that works non-stop). I'll put it here anyway, maybe someone with some time is willing to make