Core Engine Capabilities
Powered by self-controlled foundational technologies, we break through technical barriers, fully empower R&D and design, and drive intelligent manufacturing into a new chapter of independent innovation.
Geometric Constraint Solving
A high-performance 2D/3D geometric constraint solver that delivers stable and efficient solving for sketching and assembly constraints.
Learn more3D Solid Modeling
B-rep boundary representation, boolean operations, sweeping, lofting and blending — covering complex surface and solid modeling needs.
Learn moreAssembly & Data Exchange
Import and export of mainstream formats such as STEP and IGES, enabling both top-down and bottom-up collaborative assembly design.
Learn moreFaceting & Simulation Analysis
High-quality mesh faceting and geometric query capabilities, providing the geometric foundation for simulation workflows and result visualization.
Learn moreLatest Updates
Project 1 Standalone gme-thu Release (07-03)
Release date: 2026-07-03
Resolved the Gitee issues newly submitted on June 29 and completed the Tsinghua directory structure adjustment.
Learn more3D CAD Geometric Modeling Engine v3.0.1 Release
Release date: 2026-07-01
Project 2 compiled modules now integrate Project 1 modules, aligning the GME directory structure with the coupled version.
Learn more3D CAD Geometric Modeling Engine v3.0.0 Release
Release date: 2026-06-30
Project 2 compiled modules integrate Project 1 modules for the first time, with GME tests and the Gtest framework added.
Learn moreProject 1 Standalone gme-thu Release (06-30)
Release date: 2026-06-30
Resolved the Gitee issues newly submitted on June 24.
Learn moreJoin the Open3DGMBE Community
Whether you research geometric algorithms, build CAD software or use industrial software, you are welcome to contribute and build with us.












