As a closet botanist, I am interested in floral geometry – many flowers are based on pentagons:

This is “Star Katrina”, a beautiful kusudama designed by Xander Perrott. Folded from 30 x 2:root 3 rectangles cleaved from squares of Tuttle Indigo dye duo paper over the last couple of days.

The unit is based on a tight triangle grid – fairly easy to fold accurately and the locking mechanism is so positive that this kusudama is held together via paper tension and friction only (no glue, truly, none).

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