This kusudama is named after the hydrangea flower. Although each unit looks like one of those childhood fortune teller units, it’s not. There are pockets and tabs on the outside of each unit that allow the pieces to be joined together.
The folds in this model are fairly straight forward. You’ll have to be familiar with folding into thirds, squash folds, and the basics.
OrigamIsrael 2018 5th Convention
6 pieces of kami. It can be 6 inches (15 cm) or 3 inches (7.5 cm). I typically use memo paper found from the office supply store where they're precut 3 by 3 inch (7.5 x 7.5 cm) sheet of papers. I recommend starting with 6 inches (15 cm) to familiarize yourself with a unit. Kami thickness works best for this model, anything thicker than kami will tend to bulk up as you fold more and more layers of paper.