40 to 30mm fan adaptor
thingiverse
This is a simple adaptor to mount a 30mm fan into a 40mm mount area.
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With this file you will be able to print 40 to 30mm fan adaptor with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 40 to 30mm fan adaptor.