Practical Art Fusible Flats: Girl, Cat, and Clothes panels. Just follow instructions on each fusible panel of printed interfacing to make adorable, flat (approx. 11") doll with interchangeable features. 1, 12" x 18" printed, fusible interfacing panel 1 dolls, and 1 clothes panels. If this is your first time making Fusible Flats, we recommend to purchase the Fusible Flats Fun Pack first, complete with colorful detailed instructions and interfacing.