Ultimaker/Cura
Dec 2024 – Feb 2025
3 Months active
Languages Used
INIPythonC++
Technical Skills
3D Printing3D Printing Configuration3D Printing Slicing3D Printing SoftwareBug FixCode Refactoring
Christian Kunis
PROFILE
Christian Kunis
Chris Kunis worked on the Ultimaker/Cura repository, focusing on enhancing 3D printer profile reliability and print quality through targeted configuration and code improvements. Over three months, Chris delivered features such as parametric controls, print speed tuning, and Voron-specific profile enhancements, while also addressing bugs related to profile synchronization and adhesion handling. Using Python, C++, and INI, Chris refactored configuration files, expanded test coverage, and maintained code quality by removing deprecated options and redundant overrides. The work improved print consistency, onboarding stability, and long-term maintainability, demonstrating a deep understanding of 3D printing software, configuration management, and software testing practices.
Overall Statistics
Feature vs Bugs
47%Features
Repository Contributions
47Total
Bugs
18
Commits
47
Features
16
Lines of code
962
Activity Months3
Your Network
28 people
Work History
February 2025
1 Commits
Feb 1, 2025Concise monthly summary for 2025-02 focusing on key accomplishments across Ultimaker/Cura. This period prioritized reliability and data integrity in adhesion handling by fixing a string syntax bug for adhesion_type, preventing misrepresentation in processing and downstream slicing.
1 Commits
Feb 1, 2025Concise monthly summary for 2025-02 focusing on key accomplishments across Ultimaker/Cura. This period prioritized reliability and data integrity in adhesion handling by fixing a string syntax bug for adhesion_type, preventing misrepresentation in processing and downstream slicing.
February 2025
January 2025
9 Commits • 2 Features
Jan 1, 2025Summary for 2025-01: This month focused on delivering concrete value to end users and ensuring long-term stability of Cura defaults. Key features delivered include print quality improvements (infill width adjustment and elephant's foot compensation) and Voron-specific profile enhancements (parametric accelerations and default infill). Major bug fixes restored stable acceleration/retraction behavior and completed maintenance tasks (removing deprecated options and cleaning up macros). The work improves print quality, consistency across printers, onboarding experience for new users, and overall code quality.
January 2025
9 Commits • 2 Features
Jan 1, 2025Summary for 2025-01: This month focused on delivering concrete value to end users and ensuring long-term stability of Cura defaults. Key features delivered include print quality improvements (infill width adjustment and elephant's foot compensation) and Voron-specific profile enhancements (parametric accelerations and default infill). Major bug fixes restored stable acceleration/retraction behavior and completed maintenance tasks (removing deprecated options and cleaning up macros). The work improves print quality, consistency across printers, onboarding experience for new users, and overall code quality.
December 2024
37 Commits • 14 Features
Dec 1, 2024December 2024 summary for Ultimaker/Cura: Strengthened baseline reliability and throughput through profile cleanups, targeted bug fixes, and new parametric controls. Notable outcomes include fewer test regressions, more consistent prints, and faster throughput, while maintaining safe defaults for new users. The work focused on aligning 5.9 profile definitions, reducing configuration drift, expanding test coverage, and improving CI confidence to support ongoing community-driven improvements.
37 Commits • 14 Features
Dec 1, 2024December 2024 summary for Ultimaker/Cura: Strengthened baseline reliability and throughput through profile cleanups, targeted bug fixes, and new parametric controls. Notable outcomes include fewer test regressions, more consistent prints, and faster throughput, while maintaining safe defaults for new users. The work focused on aligning 5.9 profile definitions, reducing configuration drift, expanding test coverage, and improving CI confidence to support ongoing community-driven improvements.
December 2024
Activity
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Quality Metrics
Correctness78.0%
Maintainability79.6%
Architecture73.6%
Performance73.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++INIPython
Technical Skills
3D Printing3D Printing Configuration3D Printing Slicing3D Printing SoftwareBug FixCode RefactoringConfiguration ManagementDebuggingFirmware ConfigurationFull Stack DevelopmentPerformance TuningPythonSlicer ConfigurationSoftware DevelopmentSoftware Maintenance
Repositories Contributed To
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