The Problem is surely my old Ender 3 Printer. Not your design.
I think I will leave mine closed, less garbage floating in my backpack will get in there.
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The design is great!
I hadn’t seen this post before, so I created my own design and it looks a lot like this one. 
For me, this solution is very practical. I added the possibility of fixing it to the back of the uConsole.
I created a topic for it : « Solid cover - uConsole »
- same Idea: