Origami sheet - Peacock

Step 1.

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

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

Step 2.

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

Crease well, then unfold.

Step 3.

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

Crease well, then unfold.

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You have just marked the medians of the original square.

Step 4.

Position the paper in a diamond orientation, 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.

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

Crease the fold well, then unfold.

Step 6.

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

Crease the fold well, then unfold.

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

Step 7.

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

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We obtain 2 superimposed triangular flaps, connected by a horizontal hinge on the bottom.
The front side 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) of the front flap along the hinge edge, between the middle of the hinge edge and the left end of the fold.

Crease the fold well and let it fold.

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

Step 9.

Crease the fold well and let it fold.

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the mountain fold previously oriented at 12 o'clock replaces 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 sure to crease the fold well and let it fold.

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

Step 11.

Make sure to crease the fold well and let it fold.

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The fold becomes a right triangle, with the right angle 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 face 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 face has four valley folds and three mountain folds, all starting from the center of the fold.

Step 13.

Transform the four valley folds in 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 fold.
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 lower point to the upper point, using the existing horizontal valley fold.

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You get 2 superimposed 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 oblique mountain fold of the front flap along the hinge edge, between the middle of the hinge edge and the left end of the fold.

Carefully crease the fold and let it fold.

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

Step 17.

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 fold.

Carefully crease the fold and let it fold.

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The right part of the fold has lifted further, and the third initial oblique mountain fold has replaced the left oblique 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 fold.

Crease the fold well and let it fold.

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The right part of the fold has lifted further, and the third initial 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 folding 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 panels

Step 20.

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

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the diagonals are mountain folds; if not, flip the sheet from right to left.
the upper part of the front side 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 side has eight valley folds and seven mountain folds, all starting from the center of the folding.

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 upper right edge from right to left along the mountain fold defining the vertical axis of symmetry.

Crease the fold 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 upper left edge from top to bottom along the mountain fold defining the horizontal axis of symmetry.

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

Then unfold.

Step 24.

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

Mark the fold only between the right tip and the median fold oriented at 10 o'clock.

Then unfold.

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The manipulations of steps 23 and 24 make the top tip now face the ceiling.

Step 25.

Make a horizontal valley fold by lowering the tip facing the ceiling against the folding.

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 tip from left to right, there is
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 tip onto the top tip, then unfold.

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

Step 28.

Fold the right tip onto the top tip, 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 top part, you can feel 4 mountain folds forming a diamond.
a mountain fold connects the right tip of the diamond to the right tip of the sheet.
a mountain fold connects the left tip of the diamond to the left tip of the sheet.

Step 30.

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

Place the left thumb at the top left of the diamond.

Step 31.

Fold the top edges of the paper underneath along the vertical axis of symmetry.

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The right and left points of the paper meet at the bottom of the fold (in contact with the table).
The surface in contact with the table is a vertically positioned diamond.
On the front side, on each side of the vertical axis, there is an accordion consisting 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 beneath by the internal horizontal hinge fold.

Step 32.

Rotate the fold half a turn clockwise.

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The lower part of the fold is a large double-thick triangular flap, with a free tip pointing at 6 o'clock.
Its front side is smooth, while a vertical slit is present on its back side.
A second free triangular flap, also pointing at 6 o'clock, smaller in area but very thick, covers 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 now points at 12 o'clock.

Step 34.

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

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The tip of the large free triangular flap also now points at 12 o'clock.
At the level of the first layer of this flap, you can feel a slit along the vertical axis of symmetry.

Step 35.

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

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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. Fold down simultaneously, using the existing oblique valley folds, the right and left edges of the flap onto the horizontal base of the triangle.
A tip pointing upwards 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 folding along the vertical axis, bringing the right tip of the fold to the left tip with a valley fold.

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The fold is in the shape of a very elongated triangle, in a vertical position.
Its base is vertical, there is a lower tip, a left tip, and an upper tip.
The lower tip is quadruple thickness, and the upper tip is very thick.

Step 37.

Creating the peacock's body.

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

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

Step 38.

Slide a finger inside the lower tip. Using the previous valley/mountain fold, make an outside reverse fold.

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the quadruple-thickness tip is now oriented at 3 o’clock.
its top edge is horizontal.

Step 39.

Creating the peacock’s neck. Form a valley fold by bringing the bottom edge of the right quadruple-thickness tip along the right vertical edge of the fold. Firmly crease the fold, 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.

Slide 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.

Creating the peacock's head.

Make a valley fold by bringing the left edge of the quadruple-thickness tip horizontally to the right.

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

Step 42.

Slide a finger inside the 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 3 o'clock.

Step 43.

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