How to create PolySurface from n (3,4,5,6,7,8....) points. Please help me

Hi @mongdiep

Could you please more specific. The information you have provided is not enough. Thanks :slight_smile:

Thanks for your answer ! I give you files i have test. I want to caculate surface intersect area for multi Floor, which intersect, but not lap.

Could this thread help you?