That's a good idea to make a cardboard pattern, Lizbeth. I didn't see the legs on Barbara's shelf initially, either. That's totally what I had in mind. I love that you can't see the legs very easily, Barbara, really cool looking.
Now I'm thinking about other places I can put these types of shelves you have all built where there's still plenty of room for feet to go. This might even be a neat way to build some more cabinets, especially over in the bunk bed area where my kids sleep. Would love to store their clothes/toys/diapers neatly in some little shelf-cabinets or in baskets on a shelf.
As usual, I'm blown away by everyone's creativity.