Standards related to CAD/CAM/CAE

STEP (ISO 10303)Edit

  • STandard for Exchange of Product model data
  • A very complex standard for everything from simple drafting to NC machining. Widely used.

Official references Edit

Other references Edit

Software Edit

G-code (RS-274)Edit

  • The last official version of the standard, RS-274D, was published in 1980. The many variations of G-code in use today have diverged significantly from that standard.



  • Initial Graphics Export Specification


  • STereo Lithography format, originally for rapid prototyping machines
  • Defines a mesh of triangles approximating the surface of a model. Widely used despite its lossy nature.