This is a newer version of my previous iPhone 12 case. This design uses very minimal supports, so it is very easy to print in TPU. The buttons are clicky and easy to press. The textured sides provide extra grip, which I find very helpful. I have been using this case for a few weeks, and it has performed great.

For best results, use 0.2mm layer heights with a 0.4mm nozzle. I used arachne perimeters in PrusaSlicer. Only use supports in the silencer switch, charger, and speaker holes. DO NOT use supports for the buttons or the lip. I would not recommend printing fast, as the buttons are delicate and need to be printed slowly. I used ~35mm/s for perimeters and ~15mm/s for the buttons and supports. I printed at ~50mm/s for the lower layers and ~20mm/s for the top layers to make sure the lip prints well.

I used 8 perimeters for the first layer and 3 for the rest, with exposed infill on the bottom for a unique look, but that is completely optional.

Let me know if you want cases for other phone models.