FreeCAD/FreeCAD
Jul 2024 – Jan 2026
13 Months active
Languages Used
C++LexYaccCMakeBatchJavaScriptPythonShell
Technical Skills
API designAPI developmentC++C++ developmentC++ programmingMathematical operations
Ladislav Michl
PROFILE
Ladislav Michl
Ladislav Tričko contributed to FreeCAD/FreeCAD by delivering core features and stability improvements across unit handling, GUI workflows, and build systems. He modernized internal APIs and string handling using C++ and the Boost library, refactored unit schema management for engineering accuracy, and enhanced GUI reliability with Qt. His work included targeted bug fixes, code cleanups, and parser improvements, which reduced technical debt and improved maintainability. By aligning Python bindings and strengthening test automation, Ladislav enabled more robust scripting and streamlined onboarding. His engineering approach emphasized encapsulation, code readability, and cross-platform consistency, resulting in a more reliable and maintainable codebase.
Overall Statistics
Feature vs Bugs
74%Features
Repository Contributions
75Total
Bugs
7
Commits
75
Features
20
Lines of code
27,173
Activity Months13
Your Network
220 people
Work History
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 performance summary focusing on FreeCAD/FreeCAD contributions. Delivered a key feature that modernizes string handling and API usage, reducing future maintenance risk and aligning with modern C++ practices. Consolidated changes with a clear, testable interface and improved readability across the codebase.
1 Commits • 1 Features
Jan 1, 2026January 2026 performance summary focusing on FreeCAD/FreeCAD contributions. Delivered a key feature that modernizes string handling and API usage, reducing future maintenance risk and aligning with modern C++ practices. Consolidated changes with a clear, testable interface and improved readability across the codebase.
January 2026
December 2025
3 Commits • 2 Features
Dec 1, 2025December 2025 (FreeCAD/FreeCAD): Focused on stabilizing unit text handling and refining TechDraw data formatting to improve reliability and user experience. Delivered removal of a broken getUnitText path, a revert of the previous unit text retrieval change, and a refactor of Unit Schema value handling. Also implemented TechDraw MultiValueSchemas formatting improvements to ensure correct formatting according to schema type. These changes reduce unit display errors, improve document consistency, and lay groundwork for easier maintenance and future extension.
December 2025
3 Commits • 2 Features
Dec 1, 2025December 2025 (FreeCAD/FreeCAD): Focused on stabilizing unit text handling and refining TechDraw data formatting to improve reliability and user experience. Delivered removal of a broken getUnitText path, a revert of the previous unit text retrieval change, and a refactor of Unit Schema value handling. Also implemented TechDraw MultiValueSchemas formatting improvements to ensure correct formatting according to schema type. These changes reduce unit display errors, improve document consistency, and lay groundwork for easier maintenance and future extension.
September 2025
7 Commits • 4 Features
Sep 1, 2025In September 2025 (2025-09), FreeCAD/FreeCAD delivered key feature improvements, performance refinements, and targeted code cleanups that collectively improve model accuracy, scripting reliability, and maintainability. The work focuses on business value by ensuring correct unit handling, robust Python API behavior across versions, and more efficient design operations, while reducing dead code and potential UI/robustness regressions.
7 Commits • 4 Features
Sep 1, 2025In September 2025 (2025-09), FreeCAD/FreeCAD delivered key feature improvements, performance refinements, and targeted code cleanups that collectively improve model accuracy, scripting reliability, and maintainability. The work focuses on business value by ensuring correct unit handling, robust Python API behavior across versions, and more efficient design operations, while reducing dead code and potential UI/robustness regressions.
September 2025
August 2025
9 Commits • 1 Features
Aug 1, 2025For 2025-08, delivered a major unit-system overhaul for FreeCAD/FreeCAD and fixed a core UI bug, improving cross-version consistency, engineering accuracy, and maintainability. The work enhances business value by stabilizing calculations, reducing support overhead, and enabling smoother feature iterations. Technologies and skills demonstrated include Qt/C++ GUI refinements, internal unit-system architecture (Moment schema, UnitApi/UnitsSchemasData), refactoring of formatting logic, and test automation. Impact highlights include: consistent About dialog visuals across builds, centralized default formatting, expanded Imperial Civil Engineering unit support, and cleanup of dead code for long-term maintainability.
August 2025
9 Commits • 1 Features
Aug 1, 2025For 2025-08, delivered a major unit-system overhaul for FreeCAD/FreeCAD and fixed a core UI bug, improving cross-version consistency, engineering accuracy, and maintainability. The work enhances business value by stabilizing calculations, reducing support overhead, and enabling smoother feature iterations. Technologies and skills demonstrated include Qt/C++ GUI refinements, internal unit-system architecture (Moment schema, UnitApi/UnitsSchemasData), refactoring of formatting logic, and test automation. Impact highlights include: consistent About dialog visuals across builds, centralized default formatting, expanded Imperial Civil Engineering unit support, and cleanup of dead code for long-term maintainability.
June 2025
4 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for FreeCAD/FreeCAD focusing on delivering business value through reliable feature delivery, targeted bug fixes, and code quality improvements. Key outcomes include robust lofting between curved faces in PartDesign, restoration of spreadsheet zoom workflows, and focused code cleanups that reduce maintenance risk and simplify future enhancements.
4 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for FreeCAD/FreeCAD focusing on delivering business value through reliable feature delivery, targeted bug fixes, and code quality improvements. Key outcomes include robust lofting between curved faces in PartDesign, restoration of spreadsheet zoom workflows, and focused code cleanups that reduce maintenance risk and simplify future enhancements.
June 2025
May 2025
12 Commits • 2 Features
May 1, 2025May 2025 (2025-05) – FreeCAD/FreeCAD: Strengthened unit handling, parser reliability, and code quality to boost user trust and maintainability. Key feature delivery focused on unit schema management and parser alignment, with targeted bug fixes that stabilize core and GUI workflows. The work also reinforced consistency through naming conventions and API accessibility, enabling smoother automation and end-user scripting.
May 2025
12 Commits • 2 Features
May 1, 2025May 2025 (2025-05) – FreeCAD/FreeCAD: Strengthened unit handling, parser reliability, and code quality to boost user trust and maintainability. Key feature delivery focused on unit schema management and parser alignment, with targeted bug fixes that stabilize core and GUI workflows. The work also reinforced consistency through naming conventions and API accessibility, enabling smoother automation and end-user scripting.
April 2025
18 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for FreeCAD/FreeCAD: Delivered a comprehensive internal code-quality refactor and test-stability improvements across quantity handling, unit representation, parser/lexer naming, GUI messaging, and test environment. This work tightened encapsulation, improved consistency, and cleaned build/tests, while aligning Python bindings and refining GUI/logging. The updates lay a solid foundation for faster feature delivery and reduced maintenance cost, enabling more reliable downstream work. Representative commits and changes underpinning the delivery included targeted fixes and refactor steps across core areas, including: unit handling updates, naming convention changes, and GUI refinements, with emphasis on test hygiene and build cleanliness.
18 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for FreeCAD/FreeCAD: Delivered a comprehensive internal code-quality refactor and test-stability improvements across quantity handling, unit representation, parser/lexer naming, GUI messaging, and test environment. This work tightened encapsulation, improved consistency, and cleaned build/tests, while aligning Python bindings and refining GUI/logging. The updates lay a solid foundation for faster feature delivery and reduced maintenance cost, enabling more reliable downstream work. Representative commits and changes underpinning the delivery included targeted fixes and refactor steps across core areas, including: unit handling updates, naming convention changes, and GUI refinements, with emphasis on test hygiene and build cleanliness.
April 2025
March 2025
1 Commits
Mar 1, 2025March 2025 focused on stabilizing the build system for FreeCAD/FreeCAD with respect to PySide6 when installed via pip. Restored proper detection in CMake so that PySide6_FOUND is accurately checked and find_pip_package is invoked when PySide6 is not found, removing a blocking compatibility issue and enabling pip-based workflows to build reliably.
March 2025
1 Commits
Mar 1, 2025March 2025 focused on stabilizing the build system for FreeCAD/FreeCAD with respect to PySide6 when installed via pip. Restored proper detection in CMake so that PySide6_FOUND is accurately checked and find_pip_package is invoked when PySide6 is not found, removing a blocking compatibility issue and enabling pip-based workflows to build reliably.
December 2024
2 Commits • 1 Features
Dec 1, 2024Month: 2024-12 — Focused on codebase quality and rendering stability in FreeCAD/FreeCAD. Key deliverables include cleaning up obsolete QString to std::string conversion helpers and stabilizing TechDraw rendering by enforcing a minimum font size for tolerance text. These changes reduce maintenance cost, mitigate rendering defects, and improve user experience in technical drawings.
2 Commits • 1 Features
Dec 1, 2024Month: 2024-12 — Focused on codebase quality and rendering stability in FreeCAD/FreeCAD. Key deliverables include cleaning up obsolete QString to std::string conversion helpers and stabilizing TechDraw rendering by enforcing a minimum font size for tolerance text. These changes reduce maintenance cost, mitigate rendering defects, and improve user experience in technical drawings.
December 2024
November 2024
2 Commits • 2 Features
Nov 1, 2024November 2024 performance summary for FreeCAD/FreeCAD: Delivered two targeted feature improvements focused on developer ergonomics and GUI consistency. No major bugs fixed this month. Highlighted business value includes smoother property handling in the UI layer and improved internationalization readiness through correct language mapping. Strong emphasis on backward compatibility, code quality, and maintainability.
November 2024
2 Commits • 2 Features
Nov 1, 2024November 2024 performance summary for FreeCAD/FreeCAD: Delivered two targeted feature improvements focused on developer ergonomics and GUI consistency. No major bugs fixed this month. Highlighted business value includes smoother property handling in the UI layer and improved internationalization readiness through correct language mapping. Strong emphasis on backward compatibility, code quality, and maintainability.
September 2024
6 Commits • 1 Features
Sep 1, 2024September 2024: Delivered a focused UI and startup logic refactor for FreeCAD/FreeCAD, consolidating startup decisions, refactoring Splashscreen and About dialog handling, and introducing a GUI mode helper. This work enhances startup reliability, UI consistency, and maintainability, while delivering targeted UI polish (menu icon visibility) and streamlined string handling. The changes lay a solid foundation for smoother onboarding and future UI improvements.
6 Commits • 1 Features
Sep 1, 2024September 2024: Delivered a focused UI and startup logic refactor for FreeCAD/FreeCAD, consolidating startup decisions, refactoring Splashscreen and About dialog handling, and introducing a GUI mode helper. This work enhances startup reliability, UI consistency, and maintainability, while delivering targeted UI polish (menu icon visibility) and streamlined string handling. The changes lay a solid foundation for smoother onboarding and future UI improvements.
September 2024
August 2024
4 Commits • 2 Features
Aug 1, 2024In August 2024, delivered stability and maintainability improvements in FreeCAD/FreeCAD with a focus on API cleanliness and UI reliability. The work reduces technical debt, improves code readability, and supports faster future feature delivery by standardizing validation, value handling, and formatting in critical UI paths.
August 2024
4 Commits • 2 Features
Aug 1, 2024In August 2024, delivered stability and maintainability improvements in FreeCAD/FreeCAD with a focus on API cleanliness and UI reliability. The work reduces technical debt, improves code readability, and supports faster future feature delivery by standardizing validation, value handling, and formatting in critical UI paths.
July 2024
6 Commits • 1 Features
Jul 1, 20242024-07 Monthly summary for FreeCAD/FreeCAD focused on unit system standardization and refactor. The month delivered a substantial maintainability and groundwork improvement by migrating internal unit handling away from Qt QString to std::string across key modules (UnitsSchema, Quantity, Units), and by refining the Quantity and lexer/parser interfaces without altering behavior. The effort reduces future tech debt, improves cross-platform consistency, and sets the stage for performance optimizations.
6 Commits • 1 Features
Jul 1, 20242024-07 Monthly summary for FreeCAD/FreeCAD focused on unit system standardization and refactor. The month delivered a substantial maintainability and groundwork improvement by migrating internal unit handling away from Qt QString to std::string across key modules (UnitsSchema, Quantity, Units), and by refining the Quantity and lexer/parser interfaces without altering behavior. The effort reduces future tech debt, improves cross-platform consistency, and sets the stage for performance optimizations.
July 2024
Activity
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Quality Metrics
Correctness91.4%
Maintainability89.6%
Architecture85.0%
Performance84.8%
AI Usage20.6%
Skills & Technologies
Programming Languages
BatchC++CMakeJavaScriptLexPythonShellYacc
Technical Skills
API DesignAPI DevelopmentAPI designAPI developmentBoost library usageBug FixingBuild SystemBuild System ConfigurationC++C++ DevelopmentC++ GUI DevelopmentC++ developmentC++ programmingCADCMake
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline