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shan.chang

PROFILE

Shan.chang

Worked on stabilizing and improving core arrangement and G-code generation features in the bambulab/BambuStudio repository, focusing on bug fixes that enhanced reliability and efficiency. Addressed boundary enforcement for object inflation and improved the NFP Nesting System by refining alignment and rotation logic, ensuring objects fit within bed dimensions and valid orientations are maintained. Enhanced G-code conflict checking for support structures, reducing false positives and improving print reliability. Delivered Linux-specific stability improvements and robust handling of degenerate geometry cases in placement algorithms. Utilized C++ for algorithm optimization, geometry processing, and concurrent programming, consistently providing traceable, well-scoped solutions to complex 3D printing challenges.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

7Total
Bugs
6
Commits
7
Features
0
Lines of code
600
Activity Months4

Your Network

151 people

Same Organization

@bambulab.com
50

Work History

April 2026

3 Commits

Apr 1, 2026

April 2026: Delivered stability and correctness improvements in BambuStudio (bambulab/BambuStudio). Key fixes include Linux-specific GCode conflict checking and tree path generation stabilization; bed filling improvements enforcing boundaries and spacing to avoid overlaps; and degenerate inner NFP handling in the placement algorithm to prevent errors. These changes reduce print failures, improve bed utilization, and strengthen placement robustness. Technical focus included C++ refactors and algorithm work in MinimumSpanningTree.cpp, TreeSupport.cpp, and NFP handling logic; Jira references STUDIO-17707, STUDIO-17537, STUDIO-16112, STUDIO-16564, STUDIO-16282, STUDIO-15820, STUDIO-14840, STUDIO-15212, STUDIO-17884.

January 2026

1 Commits

Jan 1, 2026

January 2026 focused on stabilizing G-code generation for BambuStudio's support structures. Delivered a refined G-code conflict checker to reduce false positives and improve reliability, and introduced a helper to identify support-related extrusion roles. Relaxed thresholds for conflicts involving support material to ensure correct G-code generation. Commit: 50142ec3d2644a49a7d47992ede9f5d0ea26f7b1 (FIX: fix gcode path conflict bug).

December 2025

2 Commits

Dec 1, 2025

December 2025: Focused on stabilizing the NFP Nesting System in BambuStudio. Delivered essential bug fixes to alignment and rotation, implemented robust item-dimension checks and inflation adjustments to boost packing efficiency, and ensured valid orientations and placements across typical usage scenarios. The changes reduce placement failures, accelerate workflows, and improve packing density, contributing to higher user satisfaction and measurable performance improvements.

September 2025

1 Commits

Sep 1, 2025

Month 2025-09 focused on stabilizing arrangement behavior in BambuStudio by addressing a critical boundary bug in object inflation during layout operations. This work reduces failure scenarios where inflated objects could exceed bed dimensions, improving reliability of automated arrangement and build success rates. Engaged in end-to-end fixes including code changes, peer reviews, and Jira traceability (STUDIO-14959), with a concrete commit to guard against edge-case inflation.

Activity

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Quality Metrics

Correctness84.2%
Maintainability82.8%
Architecture80.0%
Performance77.2%
AI Usage25.6%

Skills & Technologies

Programming Languages

C++

Technical Skills

3D printing software developmentAlgorithm OptimizationAlgorithm optimizationBug FixingC++C++ developmentC++ programmingG-code analysisSoftware Developmentalgorithm designalgorithm optimizationconcurrent programminggeometry handlinggeometry processing

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

bambulab/BambuStudio

Sep 2025 Apr 2026
4 Months active

Languages Used

C++

Technical Skills

3D printing software developmentC++ developmentalgorithm optimizationAlgorithm OptimizationBug FixingC++