Triceratops, Origami PDF, Origami
[ Pobierz całość w formacie PDF ]Triceratops
by Jerry Harris
Begin with a square, white side up, with the vertical diagonal precreased. A square of 10" results in a
model of approximately 5.8" long and 1.67" tall at the hip.
1.
2.
3.
Valley fold the left edge in half,
creasing only at the very edge, and
unfold.
Valley fold 1/4 at the left side, again
creasing only at the edge, and unfold.
Valley fold 1/8 at the left side, again
creasing only at the edge, and unfold.
This is the mark that is referred to in
Step 7.
4.
5.
6.
1/3
2/3
Valley fold lower angle bisectors to
the center and unfold.
Valley fold, connecting the tops of the
angle bisectors, and unfold.
Valley fold through a point 2/3 the way
between the top point and the crease
connecting the angle bisectors (made
in Step 5) and unfold.
7.
8.
9.
Valley fold the top point down so the
1/8 mark from Step 3 touches the
2/3 line from Step 6.
Reverse fold the top corners in to
the center, creating a small
preliminary base at the top.
Remake the angle bisectors
through the new flaps at the top
and unfold.
10.
11.
12.
Valley fold the top point down,
connecting the tops of the angle
bisectors.
Mountain fold the loose corners at
the sides under.
Reverse fold the top corners in to
the center, creating another
preliminary base at the top.
13.
14.
Valley fold the lower left side of the preliminary base at
the top in half. As you do this, you will have to squash
the flap underneath, folding the inner edge of the
colored flap to the outer edge.
The result. The first small preliminary base should lay
perfectly between the edges and the center, forming
1/4 of the larger one (made in Step 12). Valley fold the
angle bisector at the top, using only the top flap and
unfold (the model will not lay flat as you do this). Turn
over from side-to-side.
15.
16.
Valley fold the corresponding angle bisector on the
back. The paper will not lay flat as you do this, and
you'll have to crease the top part and bottom part
separately. Unfold.
Reverse fold the right side on the fold you just made.
Again, the paper will not lay flat. Turn back over from
side-to-side.
17.
18.
Invert the broad, raised point. The model will still not
lay flat, but will be concave instead of convex.
Valley fold the now concave flap down along the
crease made in Step 14, and flatten the model.
19.
20.
13-19 x1
The result. Fold the flap containing the small
preliminary base back down to the left.
Repeat Steps 13-19 in mirror image on the right side.
21.
22.
Collapse the square at the top as a preliminary base.
Valley fold the bottoms of the long, rectangular strips
to the center line and unfold.
23.
24.
Quadrisect the angle of the lower end of the
rectangular flaps. Note that the long, innermost folds
connect to the angle on the outside edge of the long
flap.
Reverse fold the left flap on the long, innermost
quadrisection line.
25.
26.
With only the uppermost flap of the reverse fold, begin
to fold it up to match the top point of the model. The
next few steps show more folds being made while this
is being done.
As you continue to fold the point up to the top, you
must push in the layer beneath it. The valley fold
beneath that is on an existing crease.
27.
28.
Now the point is closer to the top. Using existing
creases, fold the flap down to the left. It still won't lay
flat.
Flatten the model by valley folding the raised flap
down to the center line. The bottom half of this fold
occurs on an existing crease line.
29.
30.
24-28 x1
The result. Repeat Steps 24-28 on the right side.
Pull the uppermost, double-thickness top layer to the
right to expose the hidden layer beneath. The paper
will not lie flat.
31.
32.
Bisect the thick, hidden flap by valley folding its lower
edge to the center line.
Close the model over the hidden flap again.
33.
34.
Pull the uppermost, single-layer top flap to the left,
exposing another hidden flap (this is the same view as
Step 28).
Bisect the hidden flap. This will lock the fold of the
hidden flap folded in Step 31.
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