My small nozzle fan was broken and its hard to find replacement. But i had an 50x15mm Turbo Fan 12V. So i did this mod.
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updated March 19, 2021

Description

PDF

It fits the Standard Anycubic hotendbox and my improved one with or without BLtouch.

https://www.prusaprinters.org/prints/47884-anycubic-i3-mega-hotend-fan-box-also-mega-s-mega-x

To fix it to the printer use zip ties. 

https://amzn.to/3lEAf80 this is the used fan.

I printed it with 0.2mm layerheight without supports - Material ASA or ABS

 

V4 with air splitter

 

Model origin

The author remixed this model.

License