Publications
http://ditelo.itc.it/people/gretter/
QQM 49, Origami a 360...e oltre
Models
Heart Going Through a stegosaurus
HEXAGONAL FLOWER
Hexagonal Star Box
Honeycomb
HOT-AIR BALLOON
Icosidodecahedron
Island
Little Red Riding Hood
METAL PUDDING BAKING-DISH
Noisette
One Day Box