Origami sheet - Peacock

Step 1.

Take a square sheet, lay it flat on the table, with the bottom edge horizontal.

additional information

The corners of the square are top left, top right, bottom right, and bottom left.

Step 2.

Make a valley fold, vertical, by bringing the right edge to the left edge.

Make a strong crease, then unfold.

Step 3.

Make a valley fold, horizontal, by bringing the bottom edge to the top edge.

Make a strong crease, then unfold.

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You have just marked the medians of the original square.

Step 4.

Place the sheet in a diamond position without turning it over.

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The corners of the square are now: top, right, bottom, and left.
The medians of the square are in valley folds (they form a trough).

Step 5.

Make a valley fold, vertical, by bringing the right tip to the left tip.

Crease well, then unfold.

Step 6.

Make a valley fold, horizontal, by bringing the bottom tip to the top tip.

Crease well, then unfold.

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We have just marked the diagonals of the initial square.
On the sheet, one can feel that the medians and the diagonals are in a valley.

Step 7.

Bring the bottom tip to the top tip, using the existing horizontal valley fold.

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We obtain 2 overlapping triangular flaps, connected by a horizontal hinge edge at the bottom.
The front face has three mountain folds, starting from the middle of the hinge edge:
one oriented at 10 o'clock, one oriented at 12 o'clock, and one oriented at 2 o'clock.

Step 8.

Form a valley fold by bringing the left oblique mountain fold (the one oriented at 10 o'clock) from the front flap along the hinge edge, between the middle of the hinge edge and the left end of the model.

Crease well and leave it folded.

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The right part of the model has lifted,
The mountain fold initially oriented at 12 o'clock has replaced the left oblique mountain fold.

Step 9.

Crease well and leave it folded.

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The mountain fold previously oriented at 12 o'clock has replaced the left oblique mountain fold.
On the front side, there are two mountain folds, one oriented at 10 o'clock and one oriented at 12 o'clock.

Step 10.

Form a valley fold by bringing the left oblique mountain fold (the one oriented at 10 o'clock) from the front flap along the hinge edge between the middle of the hinge edge and the left end of the fold.

Make a strong crease and leave it folded.

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The right part of the fold has lifted, and the mountain fold previously oriented at 12 o'clock has replaced the left oblique mountain fold.

Step 11.

Make a strong crease and leave it folded.

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the fold becomes a right triangle, with the right angle located at the bottom right.
the lower horizontal part is an accordion, consisting of 5 double-thickness panels.

Step 12.

Unfold the sheet, and place it on the table so that:

The diagonals are mountain folds,

The sheet is in a diamond position,

And the upper part of the front side has three mountain folds, starting from the center of the sheet:

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one oriented at 10 o'clock, one at 12 o'clock, and one at 2 o'clock.
the lower part of the front side has four valley folds, and three mountain folds, all starting from the center of the model.

Step 13.

Turn the four valley folds of the lower part into four mountain folds.

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the lower part of the front side now has seven mountain folds, all starting from the center of the fold.

Step 14.

Turn the sheet from right to left.

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the sheet is still in diamond position.
the horizontal diagonal is a valley.
the upper part of the front side has three valley folds starting from the center of the sheet:
the lower part of the front side now has seven valley folds, all starting from the center of the fold.

Step 15.

Bring the bottom tip to the top tip, using the existing horizontal valley fold.

additional information

You get 2 overlapping triangular flaps, connected by a horizontal hinge edge at the bottom.
On the front side of the shape, seven mountain folds start from the middle of the hinge edge.

Step 16.

Form a valley fold by bringing the first left diagonal mountain fold of the front flap along the hinge edge, between the middle of the hinge edge and the left end of the model.

Crease well and leave it folded.

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The right part of the fold has lifted, and the second initial diagonal mountain fold has replaced the first left diagonal mountain fold.

Step 17.

Form a valley fold by bringing the new first left diagonal mountain fold of the front flap along the hinge edge, between the middle of the hinge edge and the left end of the model.

Crease well and leave it folded.

additional information

The right part of the fold has lifted further, and the third initial diagonal mountain fold has replaced the left diagonal mountain fold that was in the first position.

Step 18.

Form a valley fold by bringing the new first left oblique mountain fold of the front flap along the hinge edge, between the middle of the hinge edge and the left end of the model.

Crease well and leave it folded.

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The right part of the fold lifted more, and the initial fourth oblique mountain fold has replaced the left oblique mountain fold that was in the first position.

Step 19.

Repeat these manipulations on the following mountain folds until the model takes the shape of a right triangle, with the right angle located at the bottom right.

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The lower horizontal part is an accordion, consisting of 9 double-thickness flaps.

Step 20.

Unfold the entire sheet and place it back in a diamond position.

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The diagonals are mountain folds; if this is not the case, turn the sheet from right to left.
The upper part of the front face has three mountain folds, starting from the center of the sheet:
one oriented at 10 o'clock, one oriented at 12 o'clock, and one oriented at 2 o'clock.
The lower part of the front face has eight valley folds and seven mountain folds, all starting from the center of the fold.

Step 21.

Form a valley fold by bringing the upper left edge from left to right along the mountain fold defining the vertical axis of symmetry.

Crease the fold only between the top point and the median fold oriented at 10 o'clock.

Then unfold.

Step 22.

Form a valley fold by bringing the top right edge from right to left along the mountain fold defining the vertical axis of symmetry.

Crease only between the top point and the median fold oriented at 2 o'clock.

Then unfold.

Step 23.

Form a valley fold by bringing the top left edge from top to bottom along the mountain fold defining the horizontal axis of symmetry.

Crease only between the left point and the median fold oriented at 10 o'clock.

Then unfold.

Step 24.

Form a valley fold by bringing the top right edge from top to bottom along the mountain fold defining the horizontal axis of symmetry.

Crease only between the right point and the median fold oriented at 2 o'clock.

Then unfold.

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The manipulations in steps 23 and 24 make the top point now face the ceiling.

Step 25.

Form a horizontal valley fold by lowering the point facing the ceiling, against the fold.

Step 26.

Unfold the entire sheet, and place it back in a diamond position, with the diagonals as mountain folds.

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On the top point, from left to right, we find:
an oblique valley fold oriented at 7 o'clock, a vertical mountain fold, and another oblique valley fold oriented at 5 o'clock.

Step 27.

Fold the left point onto the top point, then unfold.

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the left part of the centerline has changed from mountain to valley.

Step 28.

Fold the right point onto the top point, then unfold.

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the right part of the centerline has changed from mountain to valley.

Step 29.

Turn the sheet from right to left.

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The sheet is flat in a diamond position.
The diagonals are valley folds.
On the upper part, you can feel 4 mountain folds forming a rhombus.
A mountain fold connects the right point of the rhombus to the right point of the sheet.
A mountain fold connects the left point of the rhombus to the left point of the sheet.

Step 30.

Place the right thumb at the right peak of the rhombus.

Place the left thumb at the left peak of the rhombus.

Step 31.

Bring from underneath, the upper edges of the sheet, along the vertical axis of symmetry.

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The right and left points of the sheet have met at the lower part of the fold (in contact with the table).
the surface in contact with the table is a diamond in a vertical position.
on the front face, on each side of the vertical axis, there is an accordion made up of 4 double-thickness panels.
an internal horizontal hinge fold connects the left and right points of the bottom diamond.
the upper part of the double accordion is free, and connected to the diamond underneath by the internal horizontal hinge fold.

Step 32.

Rotate the model half a turn clockwise.

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The lower part of the model is a large triangular double-thickness panel, with a free tip pointing at 6 o'clock.
its front face is smooth, while a vertical slit is present on its back face.
A second free triangular flap, also oriented to 6 o'clock, of smaller surface but very thick, comes to cover part of the flap described in the previous line.

Step 33.

Rotate, from bottom to top, the thick free flap, around the horizontal axis.

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The tip of the thick triangular flap is now oriented at 12 o'clock.

Step 34.

Rotate the large double-thickness free flap around the horizontal axis.

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The tip of the large free triangular flap is also now oriented at 12 o'clock.
At the level of the first thickness of this flap, a slit can be felt along the vertical axis of symmetry.

Step 35.

Form a rabbit ear on the large triangular flap that has just been folded down

additional information

a. Make a valley fold by bringing the right edge along the horizontal base. Crease the fold, then unfold.
b. Make a valley fold by bringing the left edge along the horizontal base. Crease the fold, then unfold.
c. Simultaneously fold, using the existing diagonal valley folds, the right and left edges of the flap onto the horizontal base of the triangle.
A tip pointing upward has formed. This is the rabbit ear.

Step 36.

Unfold the rabbit ear, orient the free tip of the large triangular flap to 6 o'clock, then close the fold along the vertical axis by making a valley fold with the right tip over the left tip.

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The model is in the shape of a very elongated triangle, in a vertical position.
Its base is vertical, there is a bottom point, a left point, and a top point.
The bottom point is quadruple thickness, and the top point is very thick.

Step 37.

Creating the body of the peacock.

Form a valley fold by bringing the lower left edge along the horizontal axis passing through the left point of the shape.

Well crease the fold, unfold, then transform the created valley fold into a mountain fold, then unfold again.

Step 38.

Slide a finger inside the bottom point.

Using the previous valley-mountain fold, make an outside reverse fold.

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The quadruple-thickness point is now oriented at 3 o'clock.
Its upper edge is horizontal.

Step 39.

Creating the neck of the peacock.

Form a valley fold, bringing the lower edge of the right tip, quadruple thickness, along the right vertical edge of the fold.

Crease well, unfold, then transform the created valley fold into a mountain fold, then unfold again.

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the right tip is a triangular pocket whose horizontal opening is at 12 o'clock.

Step 40.

Slip a finger inside the right tip, and using the previous valley-mountain fold, make an inside reverse fold.

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the quadruple-thickness tip is now oriented at 12 o'clock.

Step 41.

Creation of the peacock’s head.

Form a valley fold, bringing the left edge of the quadruple-thickness tip horizontally toward the right.

Well crease the fold, unfold, then turn the created valley fold into a mountain fold, and then unfold again.

Step 42.

Slide a finger inside the tip, and using the previous valley-mountain fold, make an inside reverse fold.

additional information

the tip of quadruple thickness is now oriented at 3 o'clock.

Step 43.

Spread the accordion flaps to form the peacock's feathers.