The wireless charger set I bought from AliExpress was cheap and showed decent performance, but it was a pity that I had to lie down and use it.
Because the size is too big, there seems to be room for improvement.

Pirnt : Ender-3 V3 Se
Slicer : Orca Slicer V 2.1.0. Beta
Layer height : 0.2mm
infill : cross hatch,15%
Support : normal