Paper used in this video: square with a side length of 15 cm (6 in), kami
Finished model: height of 4.3 cm (1 3/4 in), width of 6.6 cm (2 2/3 in)
Heart-shaped variation: height of 6.2 cm (2 1/2 in)
This video describes how to fold a fantastic origami standing Jack O'Lantern designed by Francesco Mancini, plus some variations. You can even fold a heart-shaped Jack to show your love for Halloween!
Francesco kindly gave me permission to make this video accessible to you.