1. No category

 Origami for Fibonacci Tornado (mod 2)
By Akio Hizume (2005) and Takamichi Sushida (2009)
-3
2
-1
7
10
5
15
12
18
20
4
13
0
17
8
9
16
19
14
11
1
3
6
Fig. 1 Fibonacci Tornado (mod 2), side view before squash and top-down view.
-2
0
-4
2
3
1
5
-1
6
8
11
4
9
14
17
2
7
12
10
15
5
13
8
14
11
Fig. 2 An origami sheet for Fibonacci Tornado (mod 2): Blue dashed lines are valley fold and
black solid lines are mountain fold.