Step4 "Inside reverse fold"

The technique of this time appear frequently in origami.
It is super important skill.
In Japan, "中割り折り(Naka wari ori)".

1. Prepare a sheet of paper.Need not necessarily be square.

2. Fold in half.

3. Fold the corner towards the edge.

4. Unfold.

5. Push the corner inside as the middle layer.This is "inside reverse fold"

6. Complete.

This technique is very important.It will appear in various cases.
Certainly, please learn and enjoy origami.
Next step is "Rabbit ear fold"

Other steps

• Step1: "Valley fold"
• Step2: "Mountain fold"
• Step3: "Pleat fold"
• Step4: "Inside reverse fold"
• Step5: "Rabbit ear fold"
• Step6: "Outside reverse fold"
• Step7: "Squash fold" and "Petal fold"
• Step8: "Open sink"