MK3 40mm to 40mm Fan Adapter

thingiverse

I made this to use a 20mm thick Noctua 40mm three wire fan (A4X20 FLX) instead of the stock 10mm, for more air flow across the heat sink. Note, the orientation of the stl file is wrong for printing. (I can rarely get Solidworks to put out a file the way I want it oriented.) Print it with the side mounting to the hot end down on the print plate, as shown in the picture. no supports needed. Fan available here https://www.amazon.com/gp/product/B072Q3CMRW