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Tham khảo tài liệu 'nghệ thuật xếp hình nhật bản:arrow', văn hoá - nghệ thuật, khéo tay hay làm phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 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. Start with the ONE side up. Crease at eights but not sharply on the middle crease. Turn over and rotate 1 4 either way depending on which way you want the arrow to point . 2. Starting the point of the arrow. Valley-fold. 3. Fold and unfold through all layers. Repeat on right. 4. Pleat. Make the valley-fold first. Then bring the mountainfold to the indicated intersections. 5. Reverse-fold corners at 45 degrees. Easiest to bring long edges to center squashing the corners then close up. 6. Reverse-fold the long edges closed-sinking at the top corners. Start at the open end and work up. 7. Valley-fold all layers on existing crease. 8. Reverse-fold other corner on existing creases tucking into triangle on left. The tiny valley-fold at the right edge helps make the tuck easier. 9. Point finished. Rotate to other end and turn over. 10. Begin working on the flights . Reverse-fold top layers. 11. Sink inside. One-Way Arrow continued Copyright 1998-99 Stephen Hecht. All Rights Reserved 12. Swing out the raw edges from behind. Model is not flat at the point end. 13. Reverse-fold Repeat on left. 14. Swing down. 15. Wrap a single ply around the central trapezoid. Easier if you open the model up considerably. 16. Pleat. First mountain-fold along bottom of trapezoid. Then valley-fold to line up with indicated edge. Unfold pleat and turn over. 17. Swing side strips in to middle. Model not flat at top concave ear shapes form. 18. Valley-fold top layer between pleat lines which lifts the flights perpendicular. 19. Continue flipping over the flights squashing a new trapezoid beneath the one you wrapped earlier. 20. Like so. Model is now flat. Turn over. 21. Tuck the new upper trapezoid inside the one behind it which was wrapped earlier. One-Way Arrow continued
