What you need:
- Colored paper
- Cut several squares out of colored paper.
- Fold it in half.
- And again fold it in half to form a square.
- Unfold it.
- Fold the corners to form the triangle as shown in the photo.
- Fold in half and again form a triangle.
- Fold the lower part up.
- Inser the pieces one by one.
The crown is done!