Step 1: Cut A4 Paper in HALF
Step 2: Fold One Paper in Half
Step 3: Fold Both Corners Down. Like This!
Step 5: Corners Up!
Tuck corners out of sight
Step 7: Tuck These Out of Sight. When Finished There Should Be Something Like This.
Step 9: Repeat the Whole Thing on the Other Paper Except the Last Fold
Step 10: Put in the Folded One Like This!