The Japanese kusudama (薬玉; lit. medicine ball) is a paper model that is usually (although not always) created by sewing multiple identical pyramidal units (usually stylized flowers folded from square paper) together through their points to form a spherical shape. Alternately the individual components may be glued together. (e.g. the kusudama in the lower photo is entirely glued, not threaded together) Occasionally, a tassel is attached to the bottom for decoration.
Kusudama originate from ancient Japanese culture, where they were used for incense and potpourri; possibly originally being actual bunches of flowers or herbs. The word itself is a combination of two Japanese words kusuri, Medicine, and tama, Ball. They are now typically used as decorations, or as gifts.
The kusudama is important in origami particularly as a precursor to the modular origami genre. It is often confused with modular origami, but is not such because the units are strung or pasted together, instead of folded together as most modular construction are made.
It is, however, still considered origami, although origami purists frown upon using its characteristic technique of threading or gluing the units together, while others recognize that early traditional Japanese origami often used both cutting (see thousand origami cranes or senbazuru) and pasting, and respect kusudama as an ingenious traditional paper folding craft in the origami family.
Modern origami masters such as Tomoko Fuse have created new kusudama designs that are entirely assembled without cutting, glue or thread except as a hanger.
See also 
Further reading 
- Unit Origami: Multidimensional Transformation Tomoko Fuse, Japan Publications April 1990, ISBN 978-0-87040-852-6
- Floral Origami Globes (New Kusudama) Tomoko Fuse, Japan Publications Trading May 18, 2007, ISBN 978-4-88996-213-0
- Kusudama Origami Tomoko Fuse, Japan Publications, Sep 2002, ISBN 978-4-88996-087-7
- Kusudama: Ball Origami Makoto Yamaguchi, Japan Publications, Dec 1990, ISBN 978-0-87040-863-2
- Origami Ornaments: The Ultimate Kusudama Book Lew Rozelle, St. Martin's Griffin, 2000 ISBN 978-0-312-26369-0
- Origami Flower Ball (Origami Hana Kusudama) (in Japanese) Yoshihide Momotani, Ishizue Publishers 1994, ISBN 978-4-900747-02-9
- Marvelous Modular Origami Meenakshi Mukerji, A K Peters 2007, ISBN 978-1-56881-316-5
- OrigamiTube.com Learn how to fold kusudama in motion.
- Video tutorial: How to Fold a Japanese Paper Ball (Kusudama)
- kusudama by Atelier Puupuu: diagrams of making kusudama
- kusudama by Lukasheva Ekaterina many models, diagrams and tutorial
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