Polar Cloud for Elegoo 3D Printers
Bring your Elegoo Centauri or Centauri Carbon into Polar Cloud with the free Polar3D Bridge. Slice in the browser, send prints from anywhere, and keep your Elegoo printers in the same dashboard as the rest of your fleet.
Connect Your Elegoo Printer
Before you start, have your Polar Cloud Username (the email you sign in with) and PIN handy. Both are in your Account Settings after you sign in.
Centauri, Centauri 2, Centauri Carbon & Centauri Carbon 2
- Download and install the free Polar3D Bridge on any Mac, Windows, or Linux computer on the same network as your printer.
- Add your printer in the Bridge and link it to your Polar Cloud account.
- Your printer appears in your Polar Cloud dashboard, ready to slice, print, and monitor.
Neptune 4 series (Klipper plugin)
For the Neptune 4, 4 Pro, 4 Plus, and 4 Max, which run Klipper and Moonraker from the factory.
- Connect to the printer over SSH.
- Run the polar-cloud-klipper installer, following the guide.
- Open the /polar-cloud/ page in the printer’s local web dashboard to check the connection status.
- Once connected, your printer appears in your Polar Cloud dashboard.
Supported Elegoo Models
| Model | Connects via |
|---|---|
| Centauri | Polar3D Bridge |
| Centauri 2 | Polar3D Bridge |
| Centauri Carbon | Polar3D Bridge |
| Centauri Carbon 2 | Polar3D Bridge |
| Neptune 4 | Klipper plugin |
| Neptune 4 Pro | Klipper plugin |
| Neptune 4 Plus | Klipper plugin |
| Neptune 4 Max | Klipper plugin |
Don't see your printer? Check every way to connect or ask us.
What You Can Do Once It's Connected
Slice in the Browser
Slice from a Chromebook, iPad, or laptop, or let Polar Print pick the settings and supports in one click.
Monitor From Anywhere
Check temperatures and progress from the web or the mobile app, and pause or cancel a failed print before it wastes filament.
Generate Models With AI
Turn a text prompt or a photo into a print-ready STL, then send it straight to your Elegoo.
Run a Classroom or Fleet
Shared queues, print approval, and class rosters across every printer you own, any brand.
Your Fleet. Your Data.
Your Elegoo printers connect to Polar Cloud, so your workflow doesn't hinge on any one manufacturer's cloud.
Stored in the United States
Polar Cloud is built by a US company, and your data is stored in the United States on AWS infrastructure.
Your Content Stays Yours
You own what you upload. Export your data or request a full deletion at any time.
One Account, Every Brand
A single Polar Cloud account runs every printer you own, so your Elegoo printers sit right next to everything else.
Details on security, uptime, and compliance are in the Trust Center.
Elegoo + Polar Cloud FAQ
- Does the Elegoo Centauri Carbon work with Polar Cloud?
- Yes. The Centauri, Centauri 2, Centauri Carbon, and Centauri Carbon 2 all connect through the free Polar3D Bridge, which runs on any Mac, Windows, or Linux computer on the same network.
- Does the Elegoo Neptune 4 work with Polar Cloud?
- Yes. The Neptune 4, 4 Pro, 4 Plus, and 4 Max run Klipper, so they connect through the open-source polar-cloud-klipper plugin, installed on the printer over SSH.
- Is Polar Cloud free?
- Yes. The Hobbyist tier is free forever for single users. Schools use the Education tier for student privacy, rosters, and shared queues. See pricing.