Set up in a minute. Help when you need it.

Make sure the Mac and the printer are on the same network, not a guest Wi-Fi or a VLAN that blocks local traffic. Check System Settings → Privacy & Security → Local Network and turn Bambu Bar on. You can always use Enter address manually with the IP address from the printer's screen (Settings → Network).

Bambu Lab only accepts these commands from other apps when the printer is in LAN Only mode with Developer Mode on (printer screen → Settings → Network). Without it, Bambu Bar shows a lock on the buttons and tells you why. Status works in any mode, and so does the chamber light.

Bambu Bar reads it from Bambu Studio or OrcaSlicer on this Mac. If your slicer is on another Mac, drop that Mac's ~/Library/Application Support/BambuStudio/BambuStudio.conf onto the setup page. Or type the 8-character Access Code from the printer's screen.

The code changes after a factory reset, or when you change it on the printer. If your slicer has the new one, Bambu Bar offers to use it; otherwise enter the code from the printer's screen.

Widgets show what the app last saw, so keep Bambu Bar running (Open at Login does that). While a print runs, each widget counts progress and time left forward on its own between updates.

Open an issue with your printer model, firmware version, macOS version and what you saw.

Yes. Bambu Bar is free and open source under the MIT license. Download the signed, notarized build from GitHub, or build it yourself from the source.

Every Bambu Lab printer that connects over your network: P2S, P1S, P1P, X1, X1 Carbon, X1E, A1, A1 mini and the H2 family (H2D, H2D Pro, H2S, H2C), all verified on hardware.

No. Bambu Bar talks to your printer directly over your local network, the same way Bambu Studio does in LAN mode. The printer can stay bound to your Bambu Lab account and in cloud mode; nothing goes through a cloud service.

No. There is no account, no analytics, no advertising and no tracking. The only request besides your printers is an optional daily update check against this project's GitHub releases (the Mac App Store version makes none), and it sends nothing about you or your printers.

Bambu Lab only accepts pause, resume, stop and speed commands from third-party apps when the printer is in LAN Only mode with Developer Mode on (printer screen → Settings → Network). Status works in any mode, and the chamber light works either way. Without it, Bambu Bar shows a lock on the buttons and tells you why.

Usually you don't have to: if Bambu Studio or OrcaSlicer on your Mac has used the printer, Bambu Bar reads the code from its settings. You can also drop another Mac's BambuStudio.conf onto the setup page, or read the 8-character Access Code on the printer's screen under Settings → Network. The code is stored in your keychain and only ever sent to the printer.

Yes, as many as you have. All Printers lists them with the ones that need you first (failed, paused), then by soonest finish. You choose which printer the menu bar follows, or let it pick whichever is busy. When your slicer knows several printers, Add All sets them all up at once.

Eighteen: English, Czech, Dutch, French, German, Hungarian, Italian, Japanese, Korean, Polish, Portuguese (Brazil), Russian, Simplified and Traditional Chinese, Spanish, Swedish, Turkish and Ukrainian. It follows your Mac's language, or the one you pick in Settings → Language. Printer terms match Bambu Studio, and printer errors use Bambu Lab's official translations where Bambu publishes them; Czech, Turkish and Ukrainian show errors in English for now, and Traditional Chinese shows the Simplified Chinese texts.

Not today. Bambu Bar focuses on status, filament, temperatures, errors and controls, and keeps CPU use under 1% in the background.

macOS 26 Tahoe or later on Apple silicon or Intel, and a Bambu Lab printer on the same local network as your Mac. When macOS asks whether Bambu Bar may find devices on your local network, click Allow.

A sandboxed Mac App Store version is on its way; until then, download the notarized build from GitHub. Windows and Linux versions are coming next.

No. Bambu Bar is independent, community-developed software by rolottr. It is not affiliated with or endorsed by Bambu Lab. Bambu Lab, Bambu Studio, Bambu Handy, AMS and the printer names are trademarks of Bambu Lab.