I'd put together a 3D printing project to remake the original Fan fail module [case not circuitry]. An exercise in New Freecad features and not old Delorean circuitry.
Link to the project is here
https://makerworld.com/en/models/146...fileId-1523049
An accompanying youtube video...
https://www.youtube.com/watch?v=s1cqYTxOEco