Problems in creating Rhino odd Shape

Hello Guys,

I have some modeling issues in rhino which I can not solve bcz of less modeling skills. So, my problem is I have a facade which is like attached image, I literally try lot for achieve final product, but I can not so, anyone help me to achieve those marked elements in elevation.

This is a front elevation

This is a side elevation
EAST ELEVATION.pdf (12.5 MB) North Level 0-12-PDF.pdf (1.5 MB)

Hello - it looks like the basic setup is about like this:
Structure_maybe.3dm (82.4 KB)

With plenty of transitions and details of course, but the starting point might be about like this - does that help at all, I am not sure where the sticking point is.