Anycubic I3 Mega ULTIMATE Upgrade Guide

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Within the past few months I was working on my I3 Mega. I have tested a lot of different combinations of extruders, hotends, bearings and their configuration, Linear Advance etc. My goal was to get best results possible, make it more reliable, quiet and in the same time make it faster. In this guide I will try to explain every upgrade i have made, why it was necessary and what it gives. Read it and say what You think about it in the comments. And remember that the more You dig in this topic the more imperfections of Your prints you will see. (Master Yoda style xD) I have added to this thing a few of my designs so it will be easier for You to download them.

<h4>1. Silencio!</h4>
I3 Mega is a very good printer out of the box, but it has really big issue. It sounds like a giant fan! First thing that You want to do is to swap cheap, Chinese fans for better ones, for example Noctua, or some other brand that You know is good. I'm using SilentiumPC Zephyr fans, but it's a Polish brand so it may be hard to get for You. They are cheap and really silent for its price.

You will need:
- PSU: 60x60x15mm fan (original one is rated 14V, but I have installed standard 12V fan and it's working fine)
- Motherboard cooler: 50x50x10mm 12V
- Hotend radiator cooler: 40x40x10mm…