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STL model

Open and edit STL files

You can open, view and edit STL files for free right here in your browser, without Cura and without uploading anything. A mesh format created by 3D Systems in 1987 for stereolithography printers. It describes a surface only as triangles, with no colour, units or materials, in text or binary form.

Files are converted in your browser and never uploaded. By using Anyfile you agree to the Terms of Use.

View an STL file without Cura

Open and viewYes
EditYes
Create a new oneYes, with New file (blank or from a template)
Save as STLYes, keeping what Anyfile doesn’t show
FormatBy 3D Systems, since 1987

Edit STL files

Orbit around it on a floor grid; pick a part, move, turn and size it with handles or exact sizes, lay a face on the floor, mirror, recolour and change its finish, edit its texture in Images, add shapes, duplicate, hide and delete; repair and simplify meshes; check it will print (closed, its volume and weight). Save as GLB, glTF, OBJ, STL, 3MF, PLY, COLLADA, USDZ for AR on iPhone, or a picture. Opens ASCII and binary STL, standing it upright; saved as binary STL in millimetres, z up, as printers expect.

More about the 3D viewer

.stl

STL modelStereolithography

A mesh format created by 3D Systems in 1987 for stereolithography printers. It describes a surface only as triangles, with no colour, units or materials, in text or binary form.

Sending models to 3D printers and slicers.

Opens in Cura, PrusaSlicer, Bambu Studio, Blender, Quick Look on Mac

Questions

How do I open an STL file without Cura?

Drop it on this page, or choose it. It opens in Anyfile’s 3D viewer right in your browser, with nothing to install and no account.

Can I edit an STL file online for free?

Yes. Orbit around it on a floor grid; pick a part, move, turn and size it with handles or exact sizes, lay a face on the floor, mirror, recolour and change its finish, edit its texture in Images, add shapes, duplicate, hide and delete; repair and simplify meshes; check it will print (closed, its volume and weight).

What can I convert an STL file to?

GLB, OBJ, 3MF, GLTF, USDZ, PLY, DAE, PNG, or a ZIP. Drop it here and choose.

Is my STL file uploaded?

No. It opens, changes and saves on your device. Nothing is sent to a server.