What Time Izzet?

So I decided to design a little something to be printed in 3D. I figured I want a fancy deck box for my Magic cards. The plan is to model it in 3D, send it to the 3D printers, make a mold out of the print, and then I can make resin castings. I can then paint these with acrylics. Here is what I've got so far:

Initial, super rough sketch

Earliest mock-up

Current (and likely final) design

Though the major shapes are here, it is still missing detail work such as rivets and surface texture (scratches and the like).

And it would open like so:

The top facade is still a WIP, but it is gonna be something like this:

The idea is that the valve handles will have numbers so that together they can serve as a life counter.

It has been an interesting challenge to design for 3D printing. I have to consider physical restriction that in a digital 3D space are easily ignored. I also have to consider whether or not the design will work for a mold, something I have no experience in (yet!). I'm also still trying to figure out a good way to make those valve handles move. I've got a plan but I will show it once I actually have something done. This is quite fun and I look forward to finishing the product!