DSD TECH MagicConn SH-CP12A USB Type C PD to DC Power Cable(55x25)-12V

How...McGyver are you willing/capable of doing? If it were me and my car I'd make something like this out of cardboard: https://teqcustoms.com/products/19-forester-window-vents?variant=44163229614317 use this cable to get 12v power from a compatible battery bank: https://www.amazon.com/dp/B0B9FDZX7P use this to wire a few computer case fans* to the power cable: https://www.amazon.com/Connector-Barrel-Adapter-Security-Camera/dp/B0FJ5SPRM9 *red & black wires only, yellow and blue are for RPM sensors, they default to full speed.