tailieunhanh - Shamrock

Tài liệu tham khảo về cách xếp Shamrock. | Shamrock Copyright 2000 Stephen Hecht. All Rights Reserved A dollar bill makes a model 70mm wide and 50mm tall. For first attempt you may wish to use a larger 3x7 rectangle. 1. Start green side up. Valley-fold in half. 2. Pivot at lower-left corner valley-fold lower right corner to top edge. 3. Repeat step 2 behind. Unfold completely and turn over. 4. Valley-fold on existing crease. 5. Bisect angle. Crease only halfway up then unfold. 6. Valley-fold raw edge to folded edge. 7. Pleat bringing existing mountain-crease to folded edge. Unfold completely. 8. Repeat 4-7 in mirror image. 9. Valley-fold halfway and unfold. Shamrock continued Copyright 2000 Stephen Hecht. All Rights Reserved 10. Pleat on existing creases. Order of layers is not crucial. Turn over. 11. Mountain-fold on the existing crease creasing sharply. Unfold completely and turn over. 12. Add valley-creases. The middle one and outside pair are on existing crease lines. Squeeze in the other two last. Turn over. 13. Triple-crimp. Startin the middle work outwards. The new valley-folds fall where natural they don t bisect angles. The model will lie flat along the existing radial creases. 14. Enlarged. Reversefold. Valley-line exists. Repeat behind. 15. Valley-fold to half-way crease and unfold. Flex the upper crease backwards. Repeat behind. 16. Closed sink the upper corner. Mountain-fold the lower. Repeat behind. 17. Closed-sink the next corner along the same line as the previous sink. Repeat behind. 18. Swing down. Note new crease at the right. Shamrock continued Copyright 2000 Stephen Hecht. All Rights Reserved 19. Valley-fold edge E a little bit above the crease line. A flap comes out at bottom. 20. Like so. Repeat 18-19 behind. 21. Difficult step fold edge F down to leave a tiny gap between leaves . Do the same on the back version of F . Also spread lower flaps outwards. 22. View of back side. The small triangle is a 3-sided open-faced pyramid. Push down inside it to resolve tension on front side. Then