Publications
http://ditelo.itc.it/people/gretter/
QQM 49, Origami a 360...e oltre
Models
PRICKED BALLOON
Primo Decembre
PUDDING BAKING-DISH
Rabbit (jumping)
READING DONKEY
Soccer Ball (Truncated icosahedron)
Space Flower
Star Flower
STARRED TURTLE
Stella and UFO
Sunshine Vase