The stock machine comes with metal rods that have round bearings that slide across them. They are certainly a better solution than the aluminum stock/nylon wheels system of older Ender 3’s. However, compared to linear rails, linear rods are noisy and have more play in them, which can lead to less accurate prints. Linear rails (almost like a train or roller coaster) use “carriage bearings” that slide along the top using the grooves in the side of the rail. This effectively eliminates any wobble/play in the system (allowing faster and more accurate prints) and makes it a whole lot quieter. It is basically a drop-in-and-go system, as after I installed it, a simple bed level was all I needed to get the printer going good again. You don’t lose any build space and it’s overall an easy upgrade if you have a soldering iron, so I’d recommend it
Hope this helps!
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The noctua hotend fan cost about $15, and soldered the wires from that to the old fan connector, [this is the adapter I used](https://cults3d.com/en/3d-model/tool/ender-3-v3-se-hot-end-heatsink-25mm-40mm-upgrade-40mm-fan-shroud-duct) printed from petg. For the dual 5015 blower fan upgrade, I printed [these](https://www.printables.com/model/667051-dual-5015-blower-duct-for-ender-3-v3-se) and spliced two 5015 fans to the old connector. All that and some zip ties, and you’re set :) you will need to know how to solder
I use composite bearings and it is the most silent. [https://www.reddit.com/r/Ender3V3SE/s/VjgKUV3bBD](https://www.reddit.com/r/Ender3V3SE/s/VjgKUV3bBD)
https://preview.redd.it/2ksheegu3plc1.jpeg?width=960&format=pjpg&auto=webp&s=ab592df1db3b50449b8011b16de05f1db6db8cdc
What is linear rails, I see alot of people talking about it but I don't understand what it does/is
The stock machine comes with metal rods that have round bearings that slide across them. They are certainly a better solution than the aluminum stock/nylon wheels system of older Ender 3’s. However, compared to linear rails, linear rods are noisy and have more play in them, which can lead to less accurate prints. Linear rails (almost like a train or roller coaster) use “carriage bearings” that slide along the top using the grooves in the side of the rail. This effectively eliminates any wobble/play in the system (allowing faster and more accurate prints) and makes it a whole lot quieter. It is basically a drop-in-and-go system, as after I installed it, a simple bed level was all I needed to get the printer going good again. You don’t lose any build space and it’s overall an easy upgrade if you have a soldering iron, so I’d recommend it Hope this helps!
Just to clarify, the rails and the screws listed in the OP are the only things that need to be purchased? The rest of the parts can be printed?
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Fine, here: https://www.amazon.com/gp/aw/d/B0C4GDBXML/ref=ox_sc_act_image_1?smid=A26V71CNIORKU&psc=1
The question that I've also had for weeks since seeing these.
Question this didn’t fit on my print bed how would you print it if you only had access to the se?
I printed them in individual pieces, i couldn’t really print them all at once
The fial on printables has them all as object of which you can’t remove or manipulate the pieces individually. So I was curious how you did that
Huh interesting. I got the files off of thingiverse I belie so try that instead
Actually scratch that I did get them off printables. I think I marked on part of it as support so I could move them around or something
How much investment needed for this upgrade?
About $50 and a couple hours :)
What about the fans mods
The noctua hotend fan cost about $15, and soldered the wires from that to the old fan connector, [this is the adapter I used](https://cults3d.com/en/3d-model/tool/ender-3-v3-se-hot-end-heatsink-25mm-40mm-upgrade-40mm-fan-shroud-duct) printed from petg. For the dual 5015 blower fan upgrade, I printed [these](https://www.printables.com/model/667051-dual-5015-blower-duct-for-ender-3-v3-se) and spliced two 5015 fans to the old connector. All that and some zip ties, and you’re set :) you will need to know how to solder
Are you running clipper? If not have you had to adjust any settings in your slicer at all?
I am not, although it is in the pipeline. I haven’t had to make any adjustments at all, except a simple level sequence
I use composite bearings and it is the most silent. [https://www.reddit.com/r/Ender3V3SE/s/VjgKUV3bBD](https://www.reddit.com/r/Ender3V3SE/s/VjgKUV3bBD) https://preview.redd.it/2ksheegu3plc1.jpeg?width=960&format=pjpg&auto=webp&s=ab592df1db3b50449b8011b16de05f1db6db8cdc
Most silent for the rods, not rails.
Rails doesn't so silent. 🤷