Upload & Share 3D Models Instantly
Upload STL 3D model files online for free. Share 3D printing models via a direct link. Compatible with all major 3D printers and slicers.
Upload Your STL File
Supports .stl files (Free: 10MB, Pro: 100MB)
How to Upload STL Files Online
Select Your File
Drag and drop your .stl file into the upload area or click to browse your device.
Choose a Subdomain
Pick a name like myfile.linkyhost.com or let us generate one for you.
Share Your Link
Your file is live instantly with HTTPS. Copy the link and share it anywhere.
When to Upload STL Files Online
Frequently Asked Questions
How do I upload an STL file online?
Drag and drop your STL file or click to browse. Get a shareable HTTPS link instantly for 3D printing services or community sites.
Can recipients view STL in the browser?
Linkyhost shows STL file metadata. For interactive 3D preview, recipients can use free tools like Online 3D Viewer or Meshmixer.
What slicers accept STL files?
Most slicers (Cura, PrusaSlicer, Bambu Studio, Simplify3D) accept STL files for converting to 3D printer G-code.
What is the upload size limit?
Free users can upload up to 10MB. Pro users get 100MB per file, plenty for most printable models.
Upload Other Formats
Ready to Upload Your STL File?
Get a shareable HTTPS link in seconds. No signup required.