BLTouch 40mm Fan Mount for Hydra Fan Duct

This is a remix of [Keromida's](https://www.thingiverse.com/Keromida) elegant [BLTouch mount](https://www.thingiverse.com/thing:3512631) for 40mm fan housings. This is made to specifically work with [BoothyBoothy's](https://www.thingiverse.com/BoothyBoothy) amazing [Hydra Fan Duct](https://www.thingiverse.com/thing:4062242) on an Ender 3 using a stock hot end. This remix has lengthened the part so the BLTouch sits at a distance from the bed that works well with the Hydra setup. On my En