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Convert STEP to BREP

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

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Standard for the Exchange of Product Data (.step)

The STEP file extension, also known as Standard for the Exchange of Product Data (ISO 10303), is widely used in the realm of 3D CAD (Computer-Aided Design) files for facilitating data interoperability between different software systems. Initially developed in the late 1980s, it enables the precise exchange of complex product information, which includes geometry, topology, and material properties, ensuring seamless collaboration in engineering and manufacturing projects. Its standardized format is crucial for integrating diverse CAD tools, thereby enhancing efficiency and reducing errors in the product development lifecycle.

STEP Converter

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

How to convert STEP to BREP?

  1. Upload STEP File

    Drag & drop or browse your device to select and upload your STEP file.

  2. Select STEP Tools

    Use any available convert tools on the preview page, and click Convert.

  3. Download Your BREP

    Wait for the converter to finish and download your BREP 3D model.

Convert STEP to BREP

Frequently Asked Questions

How to change STEP format to BREP?

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

Convert Files on Desktop

macOS
Windows
Linux

Convert STEP to BREP on macOS

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

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

Convert STEP to BREP 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 STEP file location or include path to your input file.
  3. Paste and execute the command below, substituting in your STEP_INPUT_FILE name or path. $ vertopal convert STEP_INPUT_FILE --to brep

Convert STEP to BREP on Linux

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

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

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