FreeCAD — CAD

FCStd is FreeCAD's native format — a ZIP package containing XML documents and embedded BREP geometry. The app extracts and converts it to GLB via the OCCT engine.

Format Info

Property	Value
Extensions	.fcstd
Category	CAD
Render Type	Standard triangle mesh rendering

Supported Features

• Topology preservation (faces/edges/vertices)
• Wireframe / solid+wireframe modes
• Unit auto-detection

General Features

• Drag & drop: drag files directly into the window
• Click to upload: select via file dialog
• Clipboard paste: Ctrl+V after copying
• OrbitControls: rotate / pan / zoom
• Scene tree: hierarchical model structure
• Model export: download as STL or GLB

Screenshot