Printed in TPU with a 0.6mm nozzle.
You may need to slide a knife along the top of the buttons to free them from the case.
Use your slicer to create the pattern on the back using infill only with no top or bottom layers for the bottom. I added a modifier to ensure the top of the sides of the case still included top layers.
An additional “buffer” piece is included that can be used to protect the lens bump out. I just super glued the piece to the case.
Fusion file included.
The author hasn't provided the model origin yet.