**Vỏ quạt làm mát cho Snapmaker J1**

To be fair, this fan shroud barely improves the partcooling. On some prints there was a slight improvement, on other prints it was exactly the same result. I think with a more powerful partcooling fan like the GDSTime 12000 RPM Fan it might be worth it. However, I haven't tested this theory yet, since I mostly print ASA which doesn't need much cooling anyway.
While I did the testprints of this shroud on the J1, I would recommend to get this part printed on a MJF, SLS or maybe SLA printer due to the steep overhangs in the design.

The texture of the MJF printed part closely matches the texture of the hotend assembly which makes it look like stock.

This fan shroud simply is a drop in replacement for the original fan shroud. You can reuse the original screws.