iPhone 17 Pro Back Case with inserts

I wanted to customize my phone without changing cases constantly, and I'm a big fan of bumper cases. So I designed a handful of backs that I can swap out as the mood hits me. They have a friction fit with the bumper case but the magsafe magnet means it holds tight, even without a case. You will need to print this with supports- the tolerances are tight. I used PETG as a support interface. This version has two recessed pockets so you can fit laser cut inserts of other materials into your case. I've made several with wood veneer and one with leather. Look for leather repair patch material. It will need to be 1mm thick to work. I've posted the laser cut files in the laser section here. For starters I'm using this case (no affiliation with the seller, I just like the case). And using 1mm thick magsafe magnets like these (again no affiliation). I also put a thin film skin on the back of my phone to protect it. This model is the full coverage back- covers the camera plateau a