![Origami Nakamura Lock Plane Step 12](https://www.origami.org/wp-content/uploads/2023/11/07A-Nakamura-lock-plane-Stills_0012.jpg)
Step 11: Turn the paper over
![Origami Nakamura Lock Plane Step 13](https://www.origami.org/wp-content/uploads/2023/11/07A-Nakamura-lock-plane-Stills_0013.jpg)
Step 12: Fold the right side over to meet the left side, creasing down the centre vertical line
![Origami Nakamura Lock Plane Step 14](https://www.origami.org/wp-content/uploads/2023/11/07A-Nakamura-lock-plane-Stills_0014.jpg)
Step 13: Your paper should now look like this
![Origami Nakamura Lock Plane Step 15](https://www.origami.org/wp-content/uploads/2023/11/07A-Nakamura-lock-plane-Stills_0015.jpg)
Step 14: Fold the top layer of paper upwards and towards the right side, creasing where indicated in blue
![Origami Nakamura Lock Plane Step 16](https://www.origami.org/wp-content/uploads/2023/11/07A-Nakamura-lock-plane-Stills_0016.jpg)
Step 15: Your plane should now look like this
![Origami Nakamura Lock Plane Step 17](https://www.origami.org/wp-content/uploads/2023/11/07A-Nakamura-lock-plane-Stills_0017.jpg)
Step 16: Turn the plane over
![Origami Nakamura Lock Plane Step 18](https://www.origami.org/wp-content/uploads/2023/11/07A-Nakamura-lock-plane-Stills_0018.jpg)
Step 17: Repeat step 14 by folding the top layer of paper upwards and towards the left side, creasing where indicated in blue
![Origami Nakamura Lock Plane Step 19](https://www.origami.org/wp-content/uploads/2023/11/07A-Nakamura-lock-plane-Stills_0019.jpg)
Step 18: Your plane should now look like this
![Origami Nakamura Lock Plane Step 20](https://www.origami.org/wp-content/uploads/2023/11/07A-Nakamura-lock-plane-Stills_0020.jpg)
Step 19: Slightly unfold the wings of your plane – this is the underneath view
![Origami Nakamura Lock Plane Step 21](https://www.origami.org/wp-content/uploads/2023/11/07A-Nakamura-lock-plane-Stills_0021.jpg)
Step 20: Turn your plane over and grip the centre section between your thumb and fingers and your Nakamura Lock plane is ready to fly!