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Disclaimer

  1. Unofficial Material: The content of this repository consists of unofficial explanations and guides regarding the ISO 10303 (STEP) standard.
  2. Personal Understanding: The information provided is based on the authors' experience and understanding. It is provided as a reference for implementation and decision-making, but its accuracy, completeness, or timeliness is not guaranteed.
  3. Official Standards Precedence: In case of any contradiction, the official ISO standards (or official implementation guidelines for specific projects) always take precedence.
  4. User Responsibility: The authors assume no responsibility for any disadvantages or damages resulting from the use of information in this repository.
  5. Legal Standing: This repository does not represent an official interpretation by ISO.
  6. Citations: Citations of EXPRESS models and other materials are kept to the minimum necessary to aid understanding.

Last Updated: 2025-12-19

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