The model is made with 30 units and locks well enough that gluing is not necessary. Each unit is 3 x 6 inches. The finished model is approximately 7.5 inches. I love the contrast from using the duo paper. I love all the different shapes within this model. I especially enjoyed the geometry of both the unit folds and finished model. I made a matching tassel secured in place with flower shaped buttons on both the top and bottom.
Ekaterina's new book can be purchased from http://www.amazon.com/Kusudama-Origami-Ekaterina-Lukasheva/dp/0486499650/ref=sr_1_1?s=books&ie=UTF8&qid=1391840623&sr=1-1&keywords=kusudama+origami
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