1 Color up. Mark the creases
as shown.
2
3
3 and 4
4
5 6
7 To show how the various
parts of the paper move
these are colored
differently
8 Fold along creases made in
diagram 4 (mountain) and 6 (valley)
The dark regions in the previous
diagram ’vanish’
9 Repeat these creases
on the other three points
and put last flap under
Front
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