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Convert to STL

Convert any 3D model to STL format, edit and optimize 3D models online and free.

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Stereolithography File (.stl)

STL, short for Stereolithography, is a widely used file format in the realm of 3D printing and computer-aided design (CAD). Introduced by 3D Systems in 1987, it represents the surfaces of a 3D object through a collection of triangles, facilitating precise and efficient model creation. Utilized across various industries such as engineering, manufacturing, and healthcare, STL files are critical for prototyping and producing complex geometries. Their simplicity and compatibility with numerous software applications have cemented STL's importance in the digital fabrication landscape.

How to convert to STL?

  1. Upload File

    Click Choose File to locate and upload the file you want to process.

  2. Select Tools

    Configure STL settings with available tools and complete by pressing Convert.

  3. Download Your STL

    Once processing ends, the STL 3D model will be available for download.

Convert to STL

Convert to STL on Desktop

(macOS • Windows • Linux)

After setup, apply Vertopal CLI to produce STL 3D model outputs.

  1. Activate the CLI window for commands.
  2. Either cd to the input file directory or reference the path.
  3. Paste and execute the command after substituting INPUT_FILE. $ vertopal convert INPUT_FILE --to stl

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