Roll the dough into a rectangle 9 by 24 in/23 by 61 cm.
Cut 11 isosceles triangles, 9 in/23 cm high and 4 in/10 cm at the base, from the dough.
Make a ¾-in/2-cm slit in the center of the base of each triangle. Working with one triangle at a time, gently stretch each of the three points of the triangle to elongate them. Place the triangle on an unflour