|Step 17: Like before, fold down the top flap. You should end up with this shape in the picture.|
|Step 18: Fold down the top part of the triangle to meet at the crease.|
|Step 19: Unfold.|
|Step 20: Open up the figure from the bottom.|
|Step 21: Turn the paper over so you're looking at it from the top.|
|Step 22: Here's the tricky fold. First, flatten the peak at the top, then use all the creases available in that square to invert it. Afterwards, flatten the figure like you see in the third picture.|
|Step 23: Turn the figure upside down.
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