What is the STEP format?

STEP (Standard for the Exchange of Product Data) is an ISO standard file format used to represent and share 3D product data.

It is widely applied in industries such as manufacturing, engineering, and aerospace to exchange 3D models between different CAD systems. The format supports detailed information including geometry, topology, and product manufacturing data, making it useful for interoperability, reliable data exchange, and long-term archiving of product information.

Is the STEP format ISO compliant?

Yes. STEP is defined by the ISO 10303 standard for product data representation and exchange. One of the most common implementation is the STEP-file, an ASCII text format specified in ISO 10303-21 (‘Clear Text Encoding of the Exchange Structure’). This ensures 3D objects and related CAD data can be represented consistently across different systems.

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