Its_All.Lost
Because hope just breeds everlasting misery…

OpenNept4une

OpenNept4une

If you have an Elegoo Neptune 4 series printer and are in the Elegoo Facebook group you may have heard of OpenNept4une by now. If not, you have now. From what I can tell there are two current thoughts about the Elegoo Neptune 4 series printers. One – the printer has a bunch of flaws and just won’t print properly and it is due to Elegoo’s touch of the Klipper software and installing OpenNept4une will resolve all of these issues. Two – the printer is fine and works fine, but you want community Klipper and to be able to update the software without things breaking. You want to be able to add things and be more up to date following the community with its version of Klipper.

I have not had any issues with my Neptune 4 Max for the few months I’ve owned it, I have printed about 20 rolls of PETG so far. But I noticed Elegoo’s Klipper is a few versions behind and they don’t offer updates much. There are a few things I would like to get play with and get working (Spoolman) and I would like to be able to use KIAUH. Plus I like to tinker. With a stock Neptune you cannot update the OS either, which I don’t like. Anyway, I decided to take the OpenNept4une plunge and I documented my process.

The Wiki/install guide on the OpenNept4une GitHub is fantastic. You can head over there and you should be able to follow that guide, it’s a bit more technical so I decided to write up what I did. I have a Neptune 4 Max so all of these instructions here on my blog are for the Max. They may or may not be the same and/or work for other Neptune 4 printers I have no idea. There are probably other steps for other printers, check the Wiki – you have been warned.

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Spaghetti Detective (Obico) on the Neptune 4 Max

Neptune and Obico

I have been using the Neptune 4 Max for a little over a month now. Love the printer, but it can misbehave. I have been printing for a few years now and I can count on one hand how many spaghetti monsters I have printed. That number has already been dwarfed with the addition of my N4M. While doing some research on why and how to stop it I came across the Spaghetti Detective (renamed Obico). I have heard of this many years ago and just never had a use for it, plus it costs money. I did a little more looking this time and found out you can self-host the platform to use the detective. No more paying for it. I like free. I should note that Obico does have a free tier, but it only provides 10hours of AI crunching detection.

Here’s how I installed Obico/Spaghetti Detective on my Neptune 4 Max. You should be able to follow Obico’s installation instructions and just adjusting the file paths but just in case I wrote up how I did it. I have a small Linux server (an Intel NUC) that sits in my office and runs all of my goodies. Anything that needs to run 24/7 or be accessible at all times lives there. Unfortunately while a Raspberry Pi is great for most things Obico states that they do not have enough power to run the AI software. A more robust piece of hardware is required, any old computer or laptop should work. They did just release the Pi5 so I am curious if that would work. If the machine has an NVIDIA card in it even better.

Obico released a small guide to get you started with Obico and the Neptune 4 Max with the cloud. These directions will get your printer setup for Obico. There are similar instructions below on how I did it for the self-hosted version of Obico.

[https://www.obico.io/blog/elegoo-neptune-4-and-obico-ai-3d-printing-revolution/]

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Elegoo Neptune 4 Max

Elegoo Neptune 4 Max

(UPDATED)

Let me start all of this with I am not an engineer nor an expert at 3D printing. This is all just shit that I have picked up over the years, read about or came across. I just want to spread some information and maybe help someone. Try the following at your own risk, I am not responsible for what you do. Don’t believe everything you read on the internet.

 

Intro

A month or so ago I upgraded my trusty old Monoprice Maker Select v2.1 to a Elegoo Neptune 4 Max. Wow. I’ve been printing non stop. This thing is a beast! Its freaking huge and it prints fast! My Monoprice is still going strong, and I actually gifted it to my son-in-law, but I needed a bigger build platform and I wanted speed. It was down to an Anycubic Kobra 2 Max or the Elegoo Neptune 4 Max. If you do your research you will find tons of posts of people that got the N4M and hated it, to return it and get the Kobra 2 Max. With just as many people who did the opposite and ended up sending the Kobra 2 Max back to get a Neptune 4 Max. I was sold on the fact that it runs Klipper. It may be an Elegoo version of Klipper but it is Klipper. There are people working on OpenNept4une, a firmware replacement for Elegoo’s Klipper. I have also heard that someone is working on a pure Debian version of community Klipper. That would be fantastic. Unfortunately this requires buying a USB to eMMC adapter to flash the machine which I don’t have. I have not done this yet and I am not sure if I will. But it is an option. You can find more information on the Elegoo Discord. Some are also upgrading the main board to something like a BTT Manta and Pi TFT50. One of the things I’ve heard when playing with the alternate firmware(s) is you may lose the functionality of the touchscreen, no bueno.

If you are new to printing or this is your first don’t expect a nice fat user manual or handbook to walk you through. You are going to have to survive off a collection of online help. Don’t expect to get a ton of super helpful customer support from a company in China like Elegoo. You are much better off on their Discord or in a Facebook group, and websites.

Even with my knowledge of the past few years it took me almost two full rolls of filament to get it dialed in. But now it prints beautifully every time, and fast. So expect to be tweaking your profile for a bit and doing lots of bed leveling and printing lots of first layer sheets and benchys along with XYZCubes. Run the tests, it helps.

The following is a mash up of some tips I have tried and figured out, or I have read about and found online.

Some of these steps may seem tedious or you just don’t want to do them, but it will save you time, headache, and filament – which is money. When I first started out for the longest time I never wanted to “waste” time with the calibration prints. Trust me you waste more time by not doing them. Orca makes it easy now anyway.

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