Step 1:
Fold in half.

Step 6:
Fold over these two lines.

Step 5:
Fold over this line.

Step 2:
Fold over these two lines.
Then turn the model.

Step 4:
Press flat.

Step 3:
Fold over these two lines.

Step 10:
Fold over these two lines.

Step 8:
Press flat.

Step 9:
Fold over these two lines.

Step 7:
Fold over these two lines.

Step 16:
Fold over this line.

Step 15:
Fold this line upwards

Step 12:
Fold/press the upper edge inwards.
Then turn the model.

Step 11:
Press flat.

Step 14:
Fold the four corners backwards.

Step 13:
Fold the edge in half.

Step 21:
Done......

Step 19:
Fold / bend upwards

Step 20:
Curve both tips and glue them together

Step 18:
Fold over these four lines.

Step 17:
Fold over this line, the rest of the model stays flat

Step 22:
This is a tiny white paper with aluminium foil folded around it.
Fold in half three times

Step 25:
Make another piece and glue/tape it around the first piece.
Repeat steps 22 to 25 until your chain is long enough.

Step 24:
Glue or tape both ends together.

Step 23:
Fold over these four lines.