The stl posted is designed for an official apple charger in the center slot, an anker charger in the side slot, and 10mm magnets for the wallet. They are all designed for press fit. Use adhesive of choice for wall mounting.
ironing is recommended for a nice finish
Modifications:
Feel free to modify it to support different chargers or phone types. To make that easier here is the original Onshape document https://cad.onshape.com/documents/0145ac2e42ddcbc7801cff4c/w/34947a835171301c566ba467/e/22ebabe622c875093f450b72
if you want help with changing something or find an issue feel free to message me
The author marked this model as their own original creation.