You can deepen your knowledge of ARCHICAD and the Curtain Wall with my video course available in GRAPHISOFT Learn: https://it.learn.graphisoft.com/visit...
There are various methods you can use to create custom-shaped windows in ARCHICAD. In this short video tutorial, I'll explain a technique involving the Shape tool and the Curtain Wall tool.
This video tutorial was recorded with ARCHICAD 22, but you can also use the described function with previous versions.
You can find more information on my blog: https://www.lucamanelli.com/