25,000+ lines of code · 107+ tests passing · Native IFC 4.3 · Sprint 5 of 16
📐 Cross-Sections
AASHTO-compliant templates with parametric lane widths, shoulders, and side slopes.
📄 Native IFC 4.3
True native IFC authoring — your infrastructure designs are IFC from the start, not converted to it.
🎨 Blender Powered
Built on Blender’s world-class 3D platform. Free, open source, and incredibly capable.
The World’s First Open-Source Native IFC Infrastructure Tool
Saikei Civil is built for civil engineers who believe professional tools should be accessible to everyone — small firms, students, and engineers worldwide.