For those of you who are building GB2016 Proton packs, I happened upon a tool box that would be perfect for the bottom half of your pack…
Dollar Tree carries this.
add some carrier bolts or somehow simulate those large rivets and you’re golden!
Happy Bustin’
Beard
The title of your thread is a bit misleading, making it sound like you found a perfect match for the custom-built lids on the screen-used packs. Granted, it’s great for a first-time/budget build, but it’s still a far cry from what was used on the screen-used packs.
Thanks for sharing, though. 
Agreed, I’ve gone ahead and retitled the thread to avoid confusion.
Walmart also carries one that’s around 4 dollars. I used that for my build