Ready for upload.
Files stay in your browser for preview.3MF tool
3MF File Inspector Online
Unlock 3MF tools once for $1.90 to inspect compatible 3MF mesh statistics locally in your browser.
Sign in, then unlock this viewer once for $1.90. Files stay in your browser; VIP also includes viewer access plus advanced workflows.
Unlock large files, conversion, HD screenshots, recording, AR, and XR experiences.
About this 3D viewer
Inspect a compatible 3MF package locally before printing, sharing, or converting it. The inspector reports preview mesh groups, vertices, triangles, and dimensions after browser import.
3MF files from Cura, PrusaSlicer, Bambu Studio, and CAD workflows
Use a current browser on Windows, macOS, or Linux to visually inspect compatible 3MF packages from Cura, PrusaSlicer, Bambu Studio, Microsoft 3D Builder, or a CAD export. Use the target slicer for printer profile, materials, supports, and final production validation.
How to use this 3MF viewer
- Sign in and unlock 3MF tools once.
- Upload a compatible .3mf package.
- Review local preview statistics before a slicer or repair workflow.
Convert this format
Explore 3MF file tools
Explore this tool category
3MF viewer FAQ
What does 3MF Inspector show?
It reports mesh groups, vertices, triangles, and dimensions from the compatible browser preview.
Can I check a 3MF file before Bambu Studio or PrusaSlicer?
Yes. Review the imported geometry first, then use the target slicer for profiles, supports, filament, and printer-specific validation.
Does it validate every 3MF production setting?
No. This is a geometry-focused preview. Use a slicer for printer, material, support, and production validation.
Can I preview a 3MF file from Cura, PrusaSlicer, or Bambu Studio?
Yes, for compatible geometry and available color data. This browser preview does not replace the slicer’s printer-profile, support, material, or print-preparation checks.
What file extension does 3MF use?
This tool accepts the compatible 3MF extension shown in the upload area. Use the dedicated format viewer when a file has a related extension or an application-specific variant.
Can I use this 3MF viewer on a phone?
The page can be opened on mobile browsers, but a desktop browser is usually more practical for large files and detailed orbit, zoom, and inspection work.
Do I need to create an account to preview a 3MF file?
Yes. Sign in first, then unlock this 3MF tool once for $1.90. VIP members can also access the viewer.