STEP project

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This template is the guideline for a FreeCAD development project. It follows the rules of the Getting Things Done (GTD) process. The projects are collected in the Development roadmap.

Purpose and principles

This is a development project to find, discuss and implement a more advanced STEP i/o in FreeCAD.


  • reading/writing complex STEP files into Assembly data definition (with color and all the additional information).
  • ....


First we need to colect all the information about the matter

general STEP

The ISO 10303 (STEP) is very important in this field. Its the only good standardized and widely discussed and recognized definition of product structures I know of.

Product structure modeling Process-Data diagram.gif

Here some links with info:

OCC step i/o information


Next actions

  • collecting information and testing OCC STEP classes