How to make a closed rectangular origami box (page 13)

 

23. Start moving the the triangle (1) so that it is right over the triangle (2) of the step #22.

24. Complete moving the the triangle (1) so that it is right over the triangle (2) of the step #22.   Prepare to apply a horizontal valley-fold.

 

 

 

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16