You can use any shape. It doesn't have to be a bunny. Just trace a shape or cookie cutter. This would be cute for any holiday, just use an appropriate cookie cutter to trace and cut out the shape, then whatever yarn works best for that holiday!
Iris Folding Templates & Inspirations - Aga Piechocińska - Álbuns da web do Picasa. Free collection of very inspirational templates!
iris folding - Page 8