@mustafacc When you put in port width = 0.8, the taper doesn't work correctly: <img width="556" alt="image" src="https://github.com/user-attachments/assets/f74d38a0-d752-4eb4-a48d-b02fb2366b5a"> <img width="820" alt="image" src="https://github.com/user-attachments/assets/73863f38-3173-4dab-a628-c03a106f85e7">