OctoPrint – Flashforge Creator Pro 2

Before we start, it’s important for you to note that this isn’t a supported setup for the Flashforge Creator Pro 2 to work with OctoPrint, it’s more of a work around. So it’s completely at your own risk.

I’m presuming you already have OctoPrint setup, if not, take a look at the be below article:

How to install OctoPrint / OctoPi on a Raspberry Pi

Also make sure that everything is up to date.

Setup an OctoPrint Printer Profile for the Flashforge Creator Pro 2

Select the settings / spanner icon, and select ‘Printer Profiles’.

Click ‘Add Profile’, and enter the values as shown below:

Click ‘Confirm’.

Set the new profile which we just created, as the default, by clicking the start icon:

Unless you need to keep the default printer, delete it.

Click ‘Save’.

Install the Flashforge plugin

Select the settings / spanner icon, and select ‘Plugin Manager’.

Click the ‘Ger More…’ button below the list of already installed plugins.

Search for Flashforge and install the below plugin:

If asked to restart, do so.

Setup the serial port

Select the settings / spanner icon, select ‘Serial Connection’, and set your settings as below:


Intervals & timeouts

Firmware & protocol


Click ‘Save’.

First attempt to connect

On the OctoPrint home page, click the refresh icon in the connection section, make your selection like below, and click ‘Connect’:

You will see an error like this:

If you select the ‘Terminal’ tab, you will see some errors and instructions to allow the Flashforge plugin permissions.

Add permissions for Flashforge plugin

For this, you will neet to SSH to your OctoPi, I like to use Putty, as it’s free and easy. So these instructions are based on using Putty.

1 Open Putty, and enter the IP address of your octopi, or you can use octopi.local instead, select ‘SSH’ and click ‘Open’.

2 Say ‘Yes’ to trusting the host and key:

3 Login to the terminal window.

The default username and password, if you haven’t changed them are:
Username: pi
Password: raspberry

4 Run the below command to open the text editor, so we can edit the file 99-octoprint.rules:

sudo nano /etc/udev/rules.d/99-octoprint.rules

If asked for your password again, enter it.

The file will most likely be blank, so add the below text to it:

SUBSYSTEM=="usb", ATTR{idVendor}=="2b71", MODE="0666"

Save the changes by press CTRL + X, then press ‘Y’ and press enter to confirm the save.

5 Verify the file permissions are set to “rw-r–r–” by typing the below, and pressing enter:

ls -al /etc/udev/rules.d/99-octoprint.rules

It should show as below:

Reboot OctoPi by typing the below and pressing enter:

sudo reboot

After the reboot, your should see your the serial port has changed to the actual name of your printer.

Amend the serial port

Select the settings / spanner icon, select ‘Serial Connection’, and set your settings as below:

Click ‘Save’

That’s it, you can now use OctoPrint.

Final notes and caveat

Now as I said at the start, this isn’t an official or supported path, but for the post part it does seem to work. However, twice I have had it stop printing mid way through, complaining about the connection being lost. I haven’t tried replacing the USB cable yet, but it could just be that.

Please feel free to comment below about how it works for you, and if you have anything to add to make the setup better.

Good luck and enjoy.


  1. I wasn’t able to get this tutorial to work. If you are willing and able to help, please drop me a line.

    • Sorry, just seen your comment in between a ton of spam ones. What part did you have issues with?

    • Thinking about this a little more, if you have the GPX plugin enabled, please disable it and restart.

      • Disabling the GPX plugin made it work for me. But don’t I need the GPX plugin to send files for printing?

  2. Hi, Great detailed write up!

    Quick query – Have you been able to use the IDEX features of the Creator Pro 2 via OctoPrint to produce mirrored or duplicated prints? I.e. can you succesfully print in mirror/duplicate mode or is it limited to only being able to print with a single extruder at a time?
    If you have had this working succesfully, what slicer are you using and have you needed to use any special GCODE commands in either the slicer or OctoPrint for this to work correctly?

    • Unfortunately not sorry, but I’ve not really had much time to try it either sorry. I think the plug-in will need to be updated, to handle the idex, as it does heat the other extruder, but doesn’t print.

      If I make any progress, I’ll update you.

  3. Thanks for this! Finally connected FFCP2 to OctoPi thanks to this.
    I’ve had so much trouble getting the FFCP2 machines to connect to anything. Even via USB to PC. Running 6 machines 12+ hours a day. I need a solution that’s better than physically updating SD cards and running around inserting them.
    The challenge, as with the guy above, I almost exclusively use both extruders to duplicate prints.
    I wonder how difficult it would be to add IDEX support on the FlashForge plugin. I am a reasonably competent coder, but wouldn’t even know where to begin with this. Any ideas?

    • Unfortunately I haven’t had time to try this again since, but it may be worth connecting with the plugin creator, as they may be able to update it to enable IDEX support. Let us know how you get on.

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