I have a 2 piece phone, which can also hold a Samsung s7 tablet with its case The phone holder is capable to rotating 360 degrees for those tik tok peeps. I do recommend using supports, the shelled areas of this design are tricky to remove. 

I used Esun silver PLA

 Print temp@210c

 bed temp@65 

Supports; Yes 

Print speed@60mm/s

Infill@40% to make it sturdy