The basic form “double triangle”

1. Take a square sheet of paper and fold it horizontally.

2. Fold it in half again.

3. Pull the top left corner of only one layer of paper and then open and flatten out.


5. Fold “valley”.

6. Open and flatten out another part of the workpiece.

7. The basic form  “double triangle”.

Other schemes of assembly:

If you have found a spelling error, please, notify us by selecting that text and pressing Ctrl+Enter.