40 to 30 mm Fan adapter
thingiverse
Convert Your Standard 30mm Fan to a High-Performing 40mm Unit with Ease. This versatile adapter makes quick work of upgrading your cooling system, allowing you to seamlessly transition from a 30mm fan to a more powerful 40mm model. To get started, simply gather M4 and M2 or M3 screws - yes, you may need to drill out the M2/M3 screw hole to a precise 3mm for optimal fitment.
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With this file you will be able to print 40 to 30 mm Fan adapter 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 30 mm Fan adapter.