This is a modification to an existing dash phone holder that broke. It attaches to the air vent, which has the added advantage of cooling the phone on hot days.
Step 1: Pieces
Take the clamping mechanism from the old holder.
Step 2: Disassemble
Disassemble the arm.
Step 3: Base
Screw the base to a piece of wood.
Step 4: Reassemble
Reassemble the clamping mechanism.
Step 5: Binder
Bend the clips on a binder to attach to the unit and clamp into the car air vent.
Step 6: Attach
Attach the binder to the top of the unit.
Step 7: Grip
Attach pads to the inside of the claws for better phone stability.
Step 8: Clip
Clip the unit to the car dash air vent.
Step 9: Phone
Place the phone in the new holder.