The other ones:
And today evening I will print a case for my recently upgraded trusty old iPod:
Update:
After a few changes the second prototype came out great, files also available for free now on my printables:
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This is how it starts. Next thing you'll know you'll be optimizing phone shapes, learning physics about drop protections, and soon starting your own case company.
You might be right, I looked up a lot how Spigen gets their cases durable recently in order to create a really rugged version :D