How to make an origami heart box (page 11)

 

19. Rotate the model by 180 degrees.   Then repeat the step #15-18.   Prepare to apply six "valley-folds" .

20. Apply six "valley-folds" of the step #19.   Prepare to apply the "mountain-fold" of the step #19 by folding two edges so that two corner (star-points) merges togerther

 

 

 

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