Smartrap Huxley Hot-end Fan Duct

V1 Notes:
This is an easy to fit and remove fan duct for the Smartrap printer fitted with a Huxley Hot-end.
This duct will re-direct the air from the fan to blow on the nozzle and build platform when printing, thus cooling the printed part quickly.
Please make sure hot end is installed with the heater cartridge at the back.
If it in the front, the heater block will be too far forward and the fan duct will not push on fully without hitting the hot end and potentially melting too.
When