Underside Plane Thumbnail

Underside Plane

This plane is a great stable plane.

The extra underside flaps will keep it up in the air.

Medium Difficulty 11 folds time aloft

Paper Airplane Folding Instructions

Step 1

1. Fold the sheet of paper in half vertically and then horizontally, then open it back up.

Step 2

2. Next, fold the top edge down to meet the center crease.

Step 3

3. Fold the top edge down at the center crease..

Step 4

4. Now, fold the top right corner down along the center fold as shown.

Step 5

5. Repeat with the left side and it should look like this.

Step 6

6. Again, fold the corner down along the center fold.

Step 7

7. Repeat step six on the right side.

Step 8

8. Next, fold the top peak down to meet the center fold.

Step 9

9. Fold the plane in half away from you.

Step 10

10. Now, fold one wing out about one inch from the bottom of the plane.

Step 11

11. Finally. fold down the second wing so it looks like this.

Underside Plane Final Paper Airplane Design
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