I'm right where jogamel is; as relatively straightforward as the rest of the puzzle is, the last step seems a little GWIT-ty (I=Ifor in this case).
With the relevant work in front of me, there is a suggestion of what direction the lines must point (if the final grid is to resemble the work in any way), but there is also the possibility that the 7 lines are to form a word or words?
Sorry brendan I do not know what d....s means.