The pentagon module (108 degrees)
Introduction --
Making the Modules --
Making the Polyhedra --
Jim's Origami Page
Start with a 4x3 piece of paper, and fold like an accordian into
three segments:
Fold the lower left and upper right corners in. Use only the top layers.
Unfold:
Valley fold along the dotted line, and unfold:
Re-fold the corners, this time folding all layers:
The final piece:
Why?