sorry if my first answer wasn't very useful, if you really need something more smooth and irregular you can try to
design a first block on Archicad (connecting correctly to your project)
export it on Rhino,
fix it on rhino by moving point or apply transformation
then re import it in archicad
sorry if my first answer wasn't very useful, if you really need something more smooth and irregular you can try to
design a first block on Archicad (connecting correctly to your project)
export it on Rhino,
fix it on rhino by moving point or apply transformation
then re import it in archicad