Anet A8 40 mm fan adapter with 18 mm sensor mount

thingiverse

I combined two fantastic designs to meet my requirements, thanks go out to the original creators. Remixed the top hole to accommodate a recessed screw for easy installation of a 40x20mm fan. For instance, a Noctua A4x20 fits perfectly with standard screws. For all the details on sensor spacing and more, please refer back to the "remixed from" sections. Warning: The fan duct hole may need some adjustments for a precise fit if you're using an old fan duct. Although the dimensions should be close, I didn't pinpoint them exactly, so feel free to edit in Tinkercad. Note: An axial fan like the Noctua will make your printer extremely quiet but reduce air pressure significantly. You'll need to fine-tune your settings for extreme bridges, even though it worked well for me, I still prefer a blower for better performance. This design was created with Tinkercad and can be edited online at https://www.tinkercad.com/things/d36JzbabPYu.