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Running Cura on Ubuntu

Introduction

When I checked the documentation from Zonestar for slicing objects to print, I noticed that Prusa Slicer and Ultimaker Cura 5.7.1 are available for use with Ubuntu. However, when trying to add the printer definitions, I encountered an issue where I couldn’t slice. This issue persisted even when testing with other printers until I deleted the definition folder. In this article, I will demonstrate how to solve this issue.

Download and installation

The official version of Ultimaker Cura 5.7.1 can be downloaded from Offical page.

  • Download the Linux.AppImage file.
  • Allow execution permission for the file.
    • Graphically:
      1. Right click in UltiMaker-Cura-5.7.1-linux-X64.AppImage
      2. In the Permissions tab, check the Execute option.
    • In the terminal execute chmod 755 UltiMaker-Cura-5.7.1-linux-X64.AppImage
  • Double-click the file and wait for the program to run.

Add definitions for Zonestar printers

I found that Ultimaker Cura is available for use with Zonestar printers after copying the configuration files to the installation directory. A tutorial on how to do this from Zonestar is located on YouTube.

  1. Download Zonestar_Cura_resources.zip for cura from Zonestar Slicing-Guide.
  2. Decompress the files.
  3. Copy the folders “materials”, “extruders”, and “definitions” on the installation path. On Ubuntu 22.04, the installation files are located at:
    ~/.local/share/cura/5.7
  4. Go to razielgdn/Zonestar3DNotesAndTriks and download the files.
  5. Copy and replace the files fdmextruder.def.json and fdmprinter.def.json in definitions folder.
    The software is ready to be used with Zonestars printers.
    • Cura is running.
    • The printer can be used.

Explanation

Cura is configured with JSON files. The Zonestar file was developed for an old version of Cura. When I checked the logfile, I noticed that prime_tower_mode was not defined. After searching Google for a solution, I didn’t find much. However, I found a solution in the Ultimaker/Cura repository, where the definition files are located in resources/definitions. The solution was to merge the missing definitions.

  • Example of definition to merge in fdmextruder.def.json

  • Example of definition to merge in fdmprinter.def.json

  • Thanks for reading!

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