How to make a 3D origami paper cup II (page 11)

 

19. Apply (7) both "valley-fold" and "mountain-fold" and then (8) another "valley-fold" of the step #14.   Prepare to rotate the origami cup model by 90 degrees.

20. Rotate the origami cup model by 90 degrees.   Prepare to apply a "mountain-fold" .

 

 

 

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