Tool/material jam (3 sheets)
0 1 First, fold a square piece of cardboard in half.
When it is opened again, the two sides are folded in half to the middle, and a crease is folded.
Do the same in the other direction and fold the crease.
When it is opened again, it will be folded diagonally.
Fold from the middle to both sides.
Turn one side up and fold the lower corner.
Switch to the other side, and that's it after folding.
Turn it over and fold it in several directions.
Fold three in the same way.
10 Go and put the two together first.
1 1 Put the other one on.
12 press the crease. This is a vertex of the triangle.
13 turn over
14 Fold inward according to the crease.
15 press one side to the other.
16 put the corners in and a zongzi will be folded.