How do I create braced barrel vault structure with Lunchbox?

The 1-D Braced Grid / Triangle Panel A are close to what I hope to achieve, but not the same and I cant figure out how to change to orientation so that it can be similar to the picture below:

241009_arcade roof.gh (22.4 KB)
Arcade Roof - Grasshopper file.3dm (1.8 MB)