I remixed this iPhone 6s Plus case to add a little bit of flare, I'm a huge Legend of Zelda fan so I went with the classic "Z" logo from Breath of the Wild.
I remodeled the Z in Fusion 360 a little to make it easier and more reliable to print in TPU. I cut off the flower, widened the intersections between the sword and the Z and I also created some new curves to give it an easier time slicing.
The case pictured is printed in an "emerald green TPU" and has held up very well since posting this make in August of 2018 (It is now March 2019). There are no signs of distortion of the "Z" or sword. It holds my phone nice and snug and has a satisfying fit when printed in TPU. The "thin" walls that make up the letter "Z" on the back appear to be weak but I have not had a single problem with them. I was concerned it would not be pocket-friendly because of the sharp edges on the back. I haven't had any issue putting my phone in my pocket in any orientation, it hasn't even been a thought.
If you like this case, check out a few I made for friends here:
Galaxy S6 Hop Nugget: https://www.thingiverse.com/thing:3107463
iPhone XS Max Hogwarts Outline: https://www.thingiverse.com/thing:3141999