A mechanical phone mount that fits in the CD tray of a car.
A car CD tray phone mount, based on AbdelDarwish's vent mounted design. Most of the parts are from the original design, I just added a GoPro style mount on the back of the back plate and designed a GoPro CD tray mount that you can customize in OpenSCAD.
The back plate needs to be printed with the GoPro mount down with supports on.
Most parts can be printed with minimal infill (10%), but I recommend printing the arms with 80-100% infill to assist them in falling to the correct position when there isn't a phone in the holder.
The author hasn't provided the model origin yet.