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Convert BREP to STL

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

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Boundary Representation (.brep)

The BREP file extension stands for Boundary Representation, a format used by Open CASCADE Technology to store precise 3D model data. It encodes topological and geometric elements such as vertices, edges, faces, and solids, along with spatial orientation and triangulation details. Widely adopted in CAD applications, BREP files support accurate modeling of complex mechanical parts and assemblies. Originating from Matra Datavision's CASCADE platform in the 1990s and later maintained as open-source by Open CASCADE, the format remains integral to engineering workflows requiring high-fidelity surface and solid modeling.

BREP Converter

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.

STL Converter

How to convert BREP to STL?

  1. Upload BREP File

    Select any BREP 3D model you wish to convert by clicking the Choose File button.

  2. Select BREP Tools

    Use any available BREP to STL tools on the preview page and click Convert.

  3. Download Your STL

    When the conversion status changes to successful, click on the Download button to get the final STL 3D model.

Convert BREP to STL

Frequently Asked Questions

How to change BREP format to STL?

To change BREP format to STL, upload your BREP file to proceed to the preview page. Use any available tools if you want to edit and manipulate your BREP file. Click on the convert button and wait for the convert to complete. Download the converted STL file afterward.

Convert Files on Desktop

macOS
Windows
Linux

Convert BREP to STL on macOS

Follow steps below if you have installed Vertopal CLI on your macOS system.

  1. Open macOS Terminal.
  2. Either cd to BREP file location or include path to your input file.
  3. Paste and execute the command below, substituting in your BREP_INPUT_FILE name or path. $ vertopal convert BREP_INPUT_FILE --to stl

Convert BREP to STL on Windows

Follow steps below if you have installed Vertopal CLI on your Windows system.

  1. Open Command Prompt or Windows PowerShell.
  2. Either cd to BREP file location or include path to your input file.
  3. Paste and execute the command below, substituting in your BREP_INPUT_FILE name or path. $ vertopal convert BREP_INPUT_FILE --to stl

Convert BREP to STL on Linux

Follow steps below if you have installed Vertopal CLI on your Linux system.

  1. Open Linux Terminal.
  2. Either cd to BREP file location or include path to your input file.
  3. Paste and execute the command below, substituting in your BREP_INPUT_FILE name or path. $ vertopal convert BREP_INPUT_FILE --to stl

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