The instructions should be easy to follow. If they give you any difficulty, please let me know.
This web version has 4 pages: Steps 1-9, 10-20, 21-27, and 28-35.
Start with
a regular pentagon,
green side up, petal (white) side down.
Collapse the model into a 5-sided analog of the
waterbomb base,
green side out.
Valley fold
the two (upper-most) folded edges to the centerline.
Unfold.
Valley fold
the two (upper-most) cut edges to the centerline.
Unfold.
Valley fold
from point-to-point. The model will become three-dimensional.