3d printing has moved a long way in the quality of finish in a short time.
I'm sure Simon Jefferson of Powerfuluk could manage it but again we will be paying for the production overseas.
Printable View
And here is his version:
Land Rover Defender L663 Auxiliary Switch Panel Dashboard Mounting Kit - YouTube
https://www.powerfuluk.com/auxillary-panel-kit-for-land-rover-defender-l663-right-hand-drive.html