How to set the doors and windows beam

How to set the doors and windows beam?QQ%E5%9B%BE%E7%89%8720180302102847

Here is something to get you started.

finding the top of openings.dyn (31.5 KB)


You are great, thank you

There is a problem with this node, I do not know why?

It’s red because it is from a package you don’t have loaded. You need to load that package to get it to work. I’m not sure which package and I can’t check now. Try google the name. I would guess it is either rhythm or ampersand package.

I can not find which package came from. There is no google here

The horror!

I think it is the ampersand package.

This is a huge loss