Xafang cooling fang for Creality Hotend

Part cooling fan and mount / hotend fan duct for the Creality hotend (eg Ender 3)
:
- maximise the visibility of the nozzle
- improve part cooling
- maximise hotend cooling
- maximum stability

Multiple options available:
- Mount with or without cable-tidy
- 4010 fang (stock blower)
- 4010 fang more clearance version - to allow mounting with direct drive mods
- 5015 fang (5015 blower)
- 5015 fang more clearance version - to allow mounting with direct drive mods

(I've used my own https://www.thingiverse.com/thing:3622476 as reference so please double-check clearance before printing if you're using something significantly different.)

Print upright using tree supports for best results.
If using a slicer that can't do tree supports you may need to lay the duct flat instead.

Parts needed :

• two m3 nuts - these slide into the square capture holes on either side of the mount
• two m3 x 12 or m3 x 16 bolts to hold the duct to the mount - these screw into the captured nuts.
• four m3 x 16 bolts to hold the hotend fan to the front of the mount.
• stock fans (4010 fan and blower) or 4010 fan and 5015 part cooling fan
• one OR two m3 x 5 bolt to attach the mount to the plate
• two m2 bolts to hold the part cooling fan onto the duct (stock 4010 part cooling fan) or a short length of ptfe to hold the 5015 blower onto the duct,

Please post your makes, and comment if you have any suggestions - constructive feedback would be appreciated :)

Changes

Update 28 July 2019
- added "more clearance" version of the 4010 fang.

Update 3 May 2019 to add
final Version 2 of the mount
- complete redesign to improve fit and hotend cooling.
- version with or without cable tidy

"more clearance" version of the 5015 fang
- reorients and slightly moves the blower position to allow enough room for a direct drive mod

Update 5 April 2019 to add version 1.3 of the ducts and mount
- improved tolerances on the duct mountings to improve fit
- adjusted angle of cable mount to prevent issues when moving all the way to the right

Update 13 March 2019 to add version 1.2 of the 5015 duct
- better fit.

Updated 23 Feb 2019 to add version 1.2 of the mount:
- improved alignment pegs
- narrowed capture nut holes
- slight adjustments to cable mount angle and size
- tweaked tolerance on the mount so it fits more securely

Updated 9th Feb 2019 to version 1.1. a few minor improvements including:
- increased plenum interior dimensions
- tweaked nozzle for improved directional airflow
- added pegs behind mounting holes on mount for improved stability
- slightly adjusted mount dimensions and geometry