STL Viewer
View STL 3D print files online for free
Drop your 3D file here or click to browse
STL
Max file size: 100MB
Supported 3D File Formats
View all major 3D formats online for free
About STL Format
STL (Stereolithography) is the standard format for 3D printing. It stores only geometry data as a mesh of triangles, making it simple and universal for manufacturing applications.
How to View Your 3D Model
Three simple steps to preview any 3D file
Upload Your File
Drag and drop your 3D file onto the viewer, or click to browse. We support GLB, GLTF, OBJ, FBX, STL, PLY, USDZ, 3MF, and DAE formats.
Explore Your Model
Use mouse or touch controls to rotate, zoom, and pan around your 3D model. Toggle wireframe, grid, and axes for detailed inspection.
Export or Share
Take high-quality screenshots of your model from any angle. Perfect for documentation, presentations, or sharing with others.
STL Viewer Features
3D Print Preview
Preview your STL files before sending to the 3D printer. Check for issues and verify model orientation.
Measurement Info
View bounding box dimensions to ensure your model fits your print bed.
Wireframe Mode
Inspect mesh topology with wireframe view to check for modeling issues.