Dear Justin,
formerly the curve resolution came from ArchiCAD but then I realized (thanks to some users like you) that it wasn't enough in certain case.
In the latest versions (please check at
www.cigraph-store.com if you already have the newer one) you can select the ArchiForma Vertical Extrusion object, double-click in the ArchiCAD object tool icon and set the needed resolution in a dedicated object parameter.
If you have any other question, please don't hesitate to directly contact me.
Friendly
Fabrizio
Fabrizio Diodati
Graphisoft Italy Srl | Via Rossignago 2/A Spinea Venezia 30038 Italy