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Cura plugin which enables printing directly to OctoPrint and monitoring the progress.

OctoPrint is a registered trademark. For more information about OctoPrint, seeoctoprint.org.

This plugin started out as a fork of theUM3NetworkPrinting plugin

This plugin is made possible in part by a contribution of@ErikDeBruijnand my other github sponsors. The development of this plugin can be sponsored viaGithub Sponsors orPaypal.

The plugin is available through the Cura Marketplace as the OctoPrint Connection plugin

Download or clone the repository into[Cura configuration folder]/plugins/OctoPrintPlugin.When cloning the repository, make sure to use the--recursive flag to include the submodules.

The configuration folder can be found via Help -> Show Configuration Folder inside Cura.This opens the following folder:

• Windows:%APPDATA%\cura\<Cura version>\, (usuallyC:\Users\<your username>\AppData\Roaming\cura\<Cura version>\)
• Mac OS:$HOME/Library/Application Support/cura/<Cura version>/
• Linux:$HOME/.local/share/cura/<Cura version>/

• Make sure OctoPrint is up and running, and the discovery plugin is not disabled
• In Cura, add a local printer matching the 3d printer you have connected to OctoPrint
• Select "Connect to OctoPrint" on the Printers pane of the preferences.
• Select your OctoPrint instance from the list and enter the API key which isavailable in the OctoPrint settings, or push the "Request..." button to request anapplication key from the OctoPrint instance.
• Press the "Connect" button to connect the printer in Cura with the OctoPrint instance.
• From this point on, the print monitor should be functional and you should beable to switch to "Print to Octoprint" in the lower right of the Cura window.

The OctoPrint Connection plugin has special support for the following OctoPrint plugins:

Support for including a thubmnail of the model along with the gcode.

Support turning on the printer before sending a print job to OctoPrint.

Support for multiple cameras in the monitor view.

Delay starting the print until after gcode analysis is done.

The Ultimaker 2(+) family uses a flavor of GCode named UltiGCode. Unfortunately printingusing UltiGCode flavor does not work when printing over the USB connection. That is whyusing OctoPrint does not work with UltiGCode flavor.

This plugin contains a submodule/copy of the following dependecies:

Python-zeroconf is licensed under the LGPL-2.1

The module is included in the OctoPrintPlugin to replace the version that ships witholder versions of Cura because that version has bugs.

ifaddr is licensed under the MIT license.

async-timeout is licensed under the Apache License, Version 2.0.

ifaddr and async-timeout are included in the OctoPrintPlugin because it is a dependencyof python-zeroconf and they are not included with older versions of Cura.