I tried printing the phone clamp so many thingis here seems to want to utilize, only to find that the pieces never want to seem to fit together correctly, so I frankenstein'd my own and its a much better solution.
Used this Phone Clamp as a Remix:
https://www.thingiverse.com/thing:2505243
With the adapters for the Articulating Modular Arm: https://www.thingiverse.com/thing:2448971
Rafts:
No
Supports:
No
Resolution:
.20 mm
Infill:
20%
Filament: GST3D PLA Green
Notes:
I remixed this thingi to lay down and print on it's side to avoid supports.
The author marked this model as their own original creation. Imported from Thingiverse.