Based on past experience, I would estimate that quilt, beautiful though it is, will take a good 80 hours to cut by hand, and much more than that to piece. I'd need a very special reason to make that quilt.
I've spent the evening cutting out 6 inch finished half square triangles on my Accuquilt GO. I'm watching a movie, so it's almost painless. Are you sure she wouldn't like a Go or Studio cutter as a gift from her loving husband?
Cricket