Quick-change Fan Carriage for Wanhao Duplicator 4S

A carrier for the hot end cooling fans of the Wanhao Duplicator 4S. This arrangement allows for the easy removal of the fans, providing easier access to the filament drive and head adjustment nuts.
When printing higher temperatures you'll need to turn the cooling fans around as they seem to work too well.
WARNING: Check you X-Axis end stops for correct clearance before printing with this upgrade.