All models don't require any supports. It's best to print the holder face down, as the STLs are already oriented that way.
The Cover has two variants one with modelled threads and one with space for heat set inserts.
The Holder has 3 variants, one exposing only the fingerprint sensor, one only the back button and on exposing every button.
To mount:
Der Autor hat dieses Modell als seine eigene Kreation gekennzeichnet.