1. $ “One-Way” Arrow
Copyright 1998-99 Stephen Hecht. All Rights Reserved
A dollar bill makes a model 100mm long and 32mm wide.
Rectangles of other dimensions may also used, provided they are “considerably” longer than they are wide.
1/4
1. Start with the “ONE” side
up. Crease at eights, but not 2. Starting the “point” of the
sharply on the middle crease. arrow. Valley-fold. 3. Fold and unfold through
Turn over and rotate 1/4 either all layers. Repeat on right.
way (depending on which way
you want the arrow to point).
4. Pleat. Make the 5. Reverse-fold 6. Reverse-fold the 7. Valley-fold all
valley-fold first. Then corners at 45 degrees. long edges, closed- layers on existing
bring the mountain- Easiest to bring long sinking at the top crease.
fold to the indicated edges to center, corners. Start at
intersections. squashing the corners, the open end and
then close up. work up.
1/2
8. Reverse-fold other 9. “Point” finished. 10. Begin working
corner on existing Rotate to other end on the “flights”. 11. Sink inside.
creases, tucking into and turn over. Reverse-fold top
triangle on left. The layers.
tiny valley-fold at the
right edge helps make
the tuck easier.

2. $ “One-Way” Arrow (continued)
Copyright 1998-99 Stephen Hecht. All Rights Reserved
12. Swing out the raw 13. Reverse-fold. 14. Swing down. 15. Wrap a single ply
edges from behind. Repeat on left. around the central
Model is not flat at the trapezoid. Easier if
“point” end. you open the model
up considerably.
16. Pleat. First mountain-fold
along bottom of trapezoid. 17. Swing side strips in to
Then valley-fold to line up with middle. Model not flat at
indicated edge. Unfold pleat top; concave “ear” shapes 18. Valley-fold top layer,
and turn over. form. between pleat lines, which lifts
the “flights” perpendicular.
19. Continue flipping over 20. Like so. Model is 21. Tuck the new upper
the “flights”, squashing a now flat. Turn over. trapezoid inside the one
new trapezoid beneath the behind it, which was wrapped
one you wrapped earlier. earlier.

3. $ “One-Way” Arrow (continued)
Copyright 1998-99 Stephen Hecht. All Rights Reserved
23. Pleat and tuck under diagonal edges.
22. Flip the tail assembly down. Gently bend the model along the vertical with
a mountain-fold to facilitate the tuck. Then
flatten out to secure.
ONE
24. Finished.