matgitbac

https://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/lexical/IfcGeometricRepresentationContext.htm “Use of representation contexts defined at IfcProject for 3D model and 2D plan context, including sub context definitions for different target scales. There shall always be a maximum of...

Thanks @aothms and @Moult for your responses. I'll post my question how to implement it best in the Implementer forum