This is another very common fold in origami. It’s just like the inside reverse fold except the paper is folded on the outside.

Outside Reverse Fold Step 1

1) I’m starting out with a square folded in half diagonally.

 

Outside Reverse Fold Step 2

2) I’m going to do an outside reverse fold with this little flap here so I start by folding a Valley Fold.

 

Outside Reverse Fold Step 3

3) Just like with the inside reverse fold you want to fold it the other direction on the other side too.

 

Outside Reverse Fold Step 4

4) Once you’ve folded both ways along the crease open the paper up. You can see how the corner kind of wants to pop forward there.

 

Outside Reverse Fold Step 5

5) Fold it back in on itself along the two creases you made.

 

Outside Reverse Fold Step 6

6) Here you can see what I mean by folding it back on itself.

 

Outside Reverse Fold Step 7

7) Push everything nice and flat and you have an Outside Reverse Fold.

 

Outside Reverse Fold Step 8

If you open the paper up you’ll see the following Mountain (black) and Valley (red) Folds.

 

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