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.STL · Stereolithography Triangle Mesh

Application

About the .stl format

STL is the most common surface-mesh format in 3D printing and rapid prototyping. It describes an object’s shell with triangles in ASCII or binary form, but normally carries no units, colors, materials, or scene structure.

File Details

Extensions
.stl
MIME Types
model/stl, application/vnd.ms-pki.stl
Categories
Application

How to Open .stl Files

  1. 1

    Download and install OpenFiles from the official website.

  2. 2

    Launch OpenFiles and open your .stl file via File > Open or drag and drop.

  3. 3

    Your file will open in the appropriate viewer for viewing and editing.

Supported by
3D Model Viewer

Viewer

FAQ

Open .stl files with OpenFiles to inspect the supported content without installing the format's original authoring software.

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