Square Payment terminal based on Samsung Galaxy J3 Prime

This is a wall mounted plate to hold a samsung galaxy J3 prime and square reader. 
for the phone use a 90degree angle charge cable.

Onshape files https://cad.onshape.com/documents/07b3c5dcfded55340a0d83cd/w/04397f092895248be21c5c33/e/0eb9090e138cd4e4a0f195af?renderMode=0&uiState=64cc99e1a15b630fafde1e43