Two things:
90 X 5 is wrong. There are 360 degrees in a circle so just use a constant (360), or 90 X 4.
Don't flatten the output of 'Flip' before 'IntCrv'.
d files have surface divided into rectangular grid, I want that grid hexagonal SO THAT I CAN ATTACH MY HEXAGONAL GEOMETRY IN IT.Hexagon Pattern.3dm,,,,Hexagonal Pattern.ghx…