Origami pencil: Although this was thought of and often credited as a traditional model, it is now believed to have been created by Hideaki Sakata.
Diagrammer: Françoise Halvorsen
A 4 pages document showing diagrams, graphic and photo of the models.
Easy to fold and nice for decoration.
Feel free to purchase the diagrams to teach and fold, but only for personal use.
For commercial purpose, please ask me.