I certainly agree with that. It has seen more work recently from the BIM side. http://www.pythonocc.org/ http://www.pythonocc.org/ has examples but the most r

I certainly agree with that. It has seen more work recently from the BIM side. http://www.pythonocc.org/ http://www.pythonocc.org/ has examples but the most recent work is really demos using it as a part of other projects. https://pure.tue.nl/ws/files/119667686/20190402_Krijnen.pdf https://pure.tue.nl/ws/files/119667686/20190402_Krijnen.pdf https://link.springer.com/article/10.1007/s42496-019-00007-4 https://link.springer.com/article/10.1007/s42496-019-00007-4 https://arxiv.org/pdf/1810.10795.pdf https://arxiv.org/pdf/1810.10795.pdf The difficulty for a lot of CAD systems is the NURBS type line geometry interactions. https://en.wikipedia.org/wiki/Non-uniform_rational_B-spline https://en.wikipedia.org/wiki/Non-uniform_rational_B-spline