Airbrush Compressor cooling fan

This is a mount and switch block to keep the head of an airbrush compressor cool. It uses a fan salvaged from an old computer powered by a 12volt DC "wall wart" transformer. The switch is of the generic type found at any hardware store.

It is quite effective at keeping the head cool as you can see on this video:
https://www.youtube.com/watch?v=PHM2jFTXwAc&t=2s

The cooler head will help prevent water from condensing inside the line and possibly extend the life of your compressor. Especiall