Easy-align wireless charger

Whenever I use one of these cheapo wireless chargers from Aliexpress (currently $1.79/piece) I have to pay attention to center my phone perfectly, otherwise it won't charge through its fairly thick protective case - and then not to knock it, not to let it slide off-center.

So I projected a replacement box for the guts from the cheap charger, with corner ridges that let me drop the phone in, and keep it perfectly aligned.

Designed for Mi9, 160 x 75mm (6.2 x 3 in) but a parametric FreeCAD project is attached, just edit the dimensions in the spreadsheet.


You will need one of these ~$2 wireless chargers. They all use the same electronics, despite different cases.
Print the two parts, using two colors might be fun.
Detach the 4 rubber feet and *keep them*, they are to be reused as feet for this print.
Unscrew the 4 screws underneath the charger.
Remove the "guts", unstick any foam tape stuck to them,
squeeze-fit into the bottom part.
It's a good idea to plug the USB ca