The file 'Cooling Fan Duct Support For MK8 Extruder 3D Printer Model' is (stl) file type, size is 50.5KB.
This is a variant of the support, it is between the heatsink and the original fan, it also has a height adjustment.this is my homemade 3d printerhttps://youtu.be/nof-7JfQlu4