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$ Christmas TreeCopyright 1999 Stephen Hecht. All Rights Reserved

A dollar bill makes a model 65mm wide and 82mm tall.

1. Start black side up. Atthe left end, mark halfway.

At the right end, crease intoquarters.

2. Crease anglebisector, sharp only atthe intersections noted.

3. Pleat throughmarked intersections.

4. Squash-fold.Rotate model aquarter turn.

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5. Closed-sink halfway. 6. Fold to middle. Hiddensquashes are necessary.

7. Crease at quarters.Turn over.

8. Mark halfway. Repeat onnext two quarters, but not onthe top quarter.

9. Bring existing mountain-creases to the marks, creatinga pleat. Repeat on next twoquarters, but not the top.

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$ Christmas Tree (continued)Copyright 1999 Stephen Hecht. All Rights Reserved

10. Unfold the pleats.Turn over.

A

B

11. Pivot at A, and bringcorner B to the center

mark. Repeat on the left.

12. Turn over.

13. Crease angle-bisectors,only between the pleats.Turn back over.

14. Reform lowest pleatthrough both layers.

15. Detail of lower-right ofmodel. Squash. The x-ray lineis the precrease from step 13.

16. Open pleat, unfold upperlayer, re-pleat, and re-squashlower layer.

17. Valley-fold where shown,tuck C back behind as faras possible, then squash.

C

18. Like this. Repeat steps15-17 at left edge of model.

15-17

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$ Christmas Tree (continued)Copyright 1999 Stephen Hecht. All Rights Reserved

19. Repeat steps 14-16on the middle pleat, at leftand right edge.

20. This is what the lower-rightof the model should look like.

Note:paper hascome out

21. Make two interlockedswivel-folds. Mountain-fold Dis the only new crease.

22. Swivel again, tucking Ebehind (as in step 17). Diagonalvalley crease is extended toedge.

D

E

overlap

23. Reverse-folding at F,tucking inside (use tweezers).Repeat steps 21-23 at left edgeof model.

F

24. Repeat 14-16 on thehighest pleat.

14-16 14-16

21-23

14-16 14-16

25. This is what themodel should look like.

Note:paper hascome out

26. Make two interlockedswivel-folds. Similar to step 21.

27. Similar to step 22, butdont tuck behind at the top.

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$ Christmas Tree (continued)Copyright 1999 Stephen Hecht. All Rights Reserved

28. Reverse-folding at G, tuckinginside (use tweezers, and its atight fit). At the top, squash, shiftingpaper in top layer.

G

26-28

29. Repeat steps 26-28at left edge of model.

30. Interlock and mountain-foldtwo layers together, tuckinginside. Bring the H flaps to

front, if theyve slipped behind.Turn over.

HH

31. Finished. It will stand if youspread the trunk flaps a bit.