Online 3D STL Viewer & Geometry Analyzer Guide
Free WebGL-powered 3D STL viewer designed for 3D printing enthusiasts, CAD designers, mechanical engineers, and makers.
Featured 3D Models
- Möbius Strip Sculpture: Iconic single-surface topological geometry sculpture in metallic cyan.
- Temple of Heaven (Beijing): Famous ancient Chinese architecture with 3-tiered marble altar, red columns, and triple-tier royal blue roofs.
- Mechanical Spur Gear: Precision 16-tooth transmission gear ideal for CAD technical drawing mode.
Frequently Asked Questions (FAQ)
How to view 3D STL files online without installing software?
Simply drag and drop your .stl file onto the web page, or click the 'Open STL File' button to select a local file. The model will be rendered instantly using WebGL.
How to paint specific regions of a 3D STL model online with Undo support?
Switch to 'Selective Area' mode in the Material Color section, select a brush radius, and click anywhere on the 3D model surface. Press Ctrl+Z or click the Undo button anytime to reverse paint actions.