Shifting points from a tree data structure

I’m looking to shift a tree data structure like the shift list component on a list. The idea is to get an skewed panel (sort of a diagonal glass panel between 2 floors) between 2 lines (see image)
Thank you all


1801_V002_GH_Envelop-01.gh (69.7 KB)

Hi Claudio
You can do this


180303_V002_GH_Envelop-01.gh (19.6 KB)

Excelent very clever thank you