Cosaas de papel

Eagle Ronald c Koh - 1988
1. 2.
3.
Use a thin sheet of paper or
tissue foil of at least 15 cm
square.
Fold diagonally in half from left to right,
crease well, and unfold. Repeat by folding
inhalf from top to bottom, and unfold.
Valley fold the lower diagonal edges to the
crease line in the centre and turn paper over.
4.
5.
6.
Fold down the triangular
section at the top and turnpaper over.
Open out to the sides, effectively
unfolding Step 2.
Make two diagonal folds as illustrated, in line
with the edge of the triangular layer underneath.
Crease firmly, and unfold.
Liftup the triangular piece from behind.
7. 8.
Repeat from Step 2 on the lower half of the
paper, then turn the paper over.
9. 10.
Valley fold through the circled intersecting
crease lines, creasefirmly, and unfold.
Collapse the paper along the illustrated
mountain and valley folds ...
... like so. Now fold the diagonal edge in the
middle to the vertical crease in the centre,
creasefirmly, and unfold. Repeat on the
other side.
11.
Pull the flaps on each side slightly apart and
sink fold. You may need to stick a finger
through the underside to guide the sink fold
precisely alongthe crease lines made in Step
10. Repeat on the other side.
12.
Flatten the rest of the model to the position
at Step 10.
13. 14.
15.
Separate the two diagonal edges on the
right and squashfold. Repeat behind.
Fold the bottom corner to
the top, crease well, and
unfold.
16. 17.
18.
Separate the two diagonal
edges and squash fold
again.
Fold and unfold, creasing
firmly ...
...then petal fold.
Fold the triangular flap
down ...
19.
... then fold the flap on the
left to the right. Repeat
from Step 15 on the next
flap on the left.
20.
21.
Grasp the circled point
andgradually pull the flap
upwards as far as it can
go, opening out and
flattening the layers
beneath ...
22.
... like this, before bringing
down the flap again.
The model should now look
like...