The phone is inclined at 70 degrees and can be printed out of any material you like! the maximum case thickness for this holder is 14mm, and it can support multiple types of phones. As for width, a thickness of at least 65mm is recommended. 

Recommended Print settings:

3-4 walls (for long lasting strength)\

.2mm layer height

Tree supports recommended

Everything else is up to the printer's discretion! :D

The Photo has been printed on the Ender 3 V3 KE at 3 walls