Yet Another Nerd Solution - Eryone 5015 parts cooling duct

Disclaimer:
Use this thing at your own risk, it works for me, you are modifying the 3D printer. The author or the hosting site cannot be held responsible if anything goes wrong and messes up your print, machine or if your house catches fire. Use common sense and always wear proper protective gear when using power tools, grinders, drills, etc.

This is an alternative cooling duct to the stock 4010 fan, it allows you to inspect what is printing from the front.

Material: PETG
Color: Any
Support: Yes, tree, concentric on the build plate
Line height: 0.2mm
Line width: 120% to 125% of nozzle size
Infill: 20%

BOM
5015 fan, 5v for stock configuration, (12/24v if you have the modification on the fan voltage
jumper on the Thinker motherboard)
2 x M3 x 20mm hex socket machine screw
3 x M1.7 x 12mm self-tapping screw (reuse the original 4010 mount screws)
3 x m2 washer (optional)