Such a smart idea (feed old book pages through a printer to make unique silhouette art). Not gonna lie, I'd probably scan in the old book pages first, and use the scan for the final print. I love my old books, I don't want to cut them up.
Jenny: This is interesting envelope package because it's heart shape normally the envelope it's rectangle or square shape . The good thing is the heart shape also can be a rectangle shape. but when you open it . It is a heart.