Step 1:
The other side of this paper is white.
Fold in half

Step 6:
Mountain-fold along the edge.

Step 5:
Fold the spot on the right to the spot on the left, see arrow

Step 2:
Fold in half, then unfold the model

Step 4:
Prefold in half.

Step 3:
Fold in half.

Step 10:
Now the paper has a prefolded pentagon shape.

Step 8:
Mountain-fold in half

Step 9:
Prefold, then unfold the model

Step 7:
Fold one layer to the right

Step 16:
Press the upper three edges against each other and press the two edges below against each other, see arrows.

Step 15:
Repeat step 14 four more times

Step 12:
Turn the model.

Step 11:
Fold over the prefolded lines

Step 14:
Fold the edge below to the edges indicated by the two arrows.

Step 13:
Start with the folds below, then work in the direction of the two arrows. All lines are already prefolded.

Step 19:
Fold these five edges downwards.

Step 20:
Fold the bottom edges inwards, see blue lines.

Step 18:
Pull the edges outwards, then turn the model.

Step 17:
Fold / push the white tip to the right, into the end on the right