First I figured out the proportions for both Ilo and Milo versus my and Goose's measurements. That makes Goose's squares 13" and mine an even foot. With one inch on either side for the seams and a little give, Goose's squares were cut at 15" and mine at 14".
|My cardboard template|
|One night's work of tracing and cutting|
|The squares are done!|