Made this to stop neck strain on long flights. I added a screw because I didn't know the size of the opening.
Should work for most phones. I used it on my iphone 11.
Printed the nut at 100% infill which might have been overkill, the phone stand printed at 15% infill. Both at 0.2 layer height.
Supports I made sure to remove the supports around the phone stand thread using the paint support option in prusaSlicer.
Might be useful to someone
The author hasn't provided the model origin yet.