How to change the value of beam to complex profiled?

[LeeJaeYoung]

I am trying to replace a rectangular BEAM with a complex profiled BEAM. Is there any way to take the Width, Depth (400x700) of rectangular BEAM? I don't know, so I change it and enter 400,700 again.

[greenolive]

I think the post below will help you.

https://howtousearchicad.com/rhinoceros/8953/

[LeeJaeYoung]

Is this where I have to pay?

[greenolive]

It's free.