Bruno Postle

The 'tuscan' and 'rustic' styles are configured to place columns around 'outside' space. Each of the cells can have a different type, and one of those space types is 'outside'....

Additionally, although the 'default' style has a range of columns to suit different storey heights, the columns in the 'tuscan' and 'rustic' styles currently have only one height each. This...

Linking to this discussion on 'Native IFC' definitions for reference: IfcOpenShell/IfcOpenShell#2240

Here's a model with seven IfcSurfaceCurveSweptAreaSolid representation items, it has both closed and open-ended directrixes. The reference surfaces are simple planes, so this isn't the worst case. [IfcSurfaceCurveSweptAreaSolid.ifc.txt](https://github.com/IFCjs/web-ifc/files/9290175/IfcSurfaceCurveSweptAreaSolid.ifc.txt) It should...

Another error in the exported file, the FILE_NAME header should have 7 attributes not 5, i.e this is invalid: FILE_NAME('no name', '', (''), (''), 'web-ifc-export'); See diagnosis in IfcOpenShell/IfcOpenShell#2358

Closing as completed with e5188ac

Duplicate of #1

Please attach a blend file that shows the problem. It could be because the mesh isn't closed, or it could be some other cause.