This is Snowflake #99 in the book. Instructions are on Page 108. Picture is on Page 41 in Showcase.

“大型の雪の結晶です。冬の強風に乗ってはるばる運ばれてくるかもしれません。”

Finished diameter: 4 in. (105 mm)
Thread required: 14yd (12.8 m)

All pattern samples in this book are made with size 10 thread and a size 5 (1.9 mm) crochet hook.