CREALITY K1 Toolhead Cover Duct for Flowtech and CHCB OT/C hotends

Still a W.I.P - Image expected very soon

So far I've done the 235 degree duct only and plan on doing the 360 degree as well. 

If I get requests for the other ducts I'll give them a go as well :)

The main difference is that I've moved the fan ducts further down so the air flow is at the right spot for hotends which go further down