Step 12: Your paper should now look like this
Step 13: Turn the paper over and lie it horizontally so the two diamond shapes are on the left side.
Fold the right side of the paper diagonally downwards towards the bottom left, creasing where indicated in blue
Step 14: Your paper should now look like this
Step 15: Unfold the last fold you made so your paper now looks like this.
Fold the right side of the paper diagonally upwards towards the top left, creasing where indicated in blue
Step 16: Your paper should now look like this
Step 17: Unfold the last fold you made so your paper looks like this
Step 18: Fold your paper in half vertically, bringing the bottom half up to meet the top half, creasing along the centre fold
Step 19: Unfold the last fold you made so your paper looks like this.
Lift the right side of the paper upwards, whilst folding along the already created creaslines shown in blue
Step 20: Your creation is now starting to take shape!
Step 21: Fold the vertical part of the paper on the right, upwards until it lies flat. Next, fold it behind, creasing where indicated in blue