這是基於nevermore-micro-V4的散熱風扇，可在淨化器及散熱風扇兩種型態下隨時做切換。
This is a cooling fan based on nevermore-micro-V4, which can be switched at any time between the Activated Carbon Filters and the cooling fan.
1.請先到Nevermore Micro下載V4版本的檔案
Please go to Nevermore Micro to download the V4 version file first
Nevermore Micro link：https://github.com/nevermore3d/Nevermore_Micro
2.到我的github下載這兩個檔案：
fan_shroud_L.stl
fan_shroud_R.stl
3.列印
Nevermore Micro V4 -> 列印兩組(Print two sets)
fan_shroud_L.stl -> 列印一組(Print one sets)
fan_shroud_R.stl -> 列印一組(Print one sets)