I recently bought my first 3D printer. It is Anet A8 - I think one of the cheapest 3D printers in the market. It is a great device, especialy if you are a tech guy who is not afraid of putting things together :) I found out, that there are many additional enhancement to this printer available. I've printed some of those, they work really well, but what I found very annoying in this printer, that it is very loud. I've changed all linear bearings and it helped a lot, but still an extruder fan was very noisy. I've seen some articles about replacing that fan with another, more quiet 40 mm one. Unfortunatelly, those better ones fans are quite expensive. I decided I will try to replace 40 mm fan with quiet 80mm one, which in my case was cheaper and easily available. So, in this post I will show you my solution. It is first version, many things still need improvements, please treat it as a Proof of Concept - but it works :) The first idea was to simply make some adap...