How to make an origami stealth aircraft (page 27)

 

51. Apply the valley-fold of the step #50.   Prepare to put a very heavy object on the top of the origami stealth model for a few hours at least.

52. Put a very heavy object on the top of the origami stealth model for a few hours at least.   .... After a several hours ...   Put the object away.   Prepare to rotate the origami stealth model by 45 degrees.

 

 

 

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