Ender-3 and Novice Upgrades: Second Upgrade (Extruder)
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As a second upgrade I would recommend a better extruder.
Why?
The original arm of the extruder bursts very often, destroying and having a very low downward pressure. The filament slips and the resulting print does not look good.
If you don't want to spend , you can print a better replacement for the extruder arm .
https://www.youtube.com/watch?v=T7_eRnTsHdU
If you want to spend , but don't mind having to calibrate the extruder, you have a choice of options.
|
|  |  |
|---|---|---|---|
| Aluminum replacement | Dual gear extruder | Titanium extruder | BMG extruder |
| 250 CZK | 350 CZK | between 160 - 500 CZK | between 300 - 750 CZK |
| If you want to spend, you can buy this replacement for the original extruder. This is a direct replacement with the possibility of adjusting the down pressure and therefore there should be no need to calibrate the extruder. | Thanks to its design it embraces the filament from both sides and prevents the filament from slipping. This is the same type of extruder that you can find on the Průša MK3 printer. | Although it has downforce from only one side, it has a 3/1 gear. The extruder must do 3 times more movement than the others without the gear, on the other hand it has 3 times more accurate filament dosing. Here you can choose between the cheaper option and the more expensive variant . | The BMG extruder is actually a dual gear extruder with a 3/1 gear as the Titanium extruder. Again, you can choose between the cheaper option and the more expensive variant . |
Whether you replace the extruder or not, you should always calibrate the extruder on a new printer.
https://www.youtube.com/watch?v=wMtbK4fQHYs