I made a spooky grim reaper that can be used as a phone holder! There's a rocky base on which I left a flat spot with two small rocks that holds the cellphone perfectly without hiding the screen no matter what orientation it is in.

3D PRINTING SETTINGS Print in place. • 3MF and STL included so you can use whichever you prefer. (I separated the parts in the 3MF file if you want to use multiple colors) • 8-10% Infill • 2 Outer walls • No supports needed