Faicad 3D Viewer

Free and open-source desktop application for viewing 33+ 3D file formats, built with Electron + Three.js

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Multi-format Support

Supports 33+ 3D file formats including STL, GLB, STEP, OBJ, FBX, PLY, 3MF — covering mesh, CAD, point cloud, volume and more

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Physically-based rendering with metalness/roughness workflow, environment maps, and multi-light system built on Three.js

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OrbitControls camera, TransformControls manipulation, topology selection (object/face/edge/vertex)

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Drag & drop, clipboard paste, auto directory scanning, keyboard-navigable file list for quick model switching

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Light, dark, and system-following theme modes to suit your working environment

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20 languages supported, switchable manually or auto-following system language