Geeetech A10 ring fan-duct (better air flow and stronger mounts)
https://jide-projects.obs.myhuaweicloud.com/psNfSQvL9q8IJ/
[{"cover":"https:\/\/jide-projects.obs.myhuaweicloud.com\/psNfSQvL9q8IJ\/03d8eea2-90e0-47d4-b0d4-b54e4f4c7db2.jpg","name":"Fan duct.stl","id":"03d8eea2-90e0-47d4-b0d4-b54e4f4c7db2","type":"model","fileType":"stl"}, {"cover":"https:\/\/jide-projects.obs.myhuaweicloud.com\/psNfSQvL9q8IJ\/aa96f831-2fdc-411b-ad87-4f9ddca05be8.jpg","name":"Fan duct stronger.stl","id":"aa96f831-2fdc-411b-ad87-4f9ddca05be8","type":"model","fileType":"stl"}]