Welcome to the Board! Those are some adorable sheets and I recognize every single one of them! Lol I wonder if we're roughly the same age.
Depending on the size, would something like the Sidelights pattern (which is really for a panel) work? If you don't want to purchase the pattern, you could design something similar on graph paper to fit the designs on your sheets.
https://www.missouriquiltco.com/shop...-panel-pattern