Sky and Water I by Escher

“Sky and Water I” is a woodcut print created by M.C. Escher in 1938.

It is one of his most famous works and is widely recognized for its playfulness, intricate details, and optical illusions.

The print features an intricate pattern of birds and fish that seem to transform into each other. The birds are arranged in a repeating pattern that forms a series of stylized waves, while the fish are arranged in a similar pattern that forms the background of the sky. The two patterns appear to be intertwined and interchangeable, creating an illusion of fluidity and transformation.

The print is notable for its use of tessellation, or repeated patterns of shapes that fit together seamlessly like tiles. The stylized waves and sky form a tessellation that covers the entire surface of the print, creating a sense of unity and coherence.

Overall, “Sky and Water I” is a visually striking and thought-provoking work that showcases Escher’s mastery of mathematical principles and his ability to create playful and intriguing optical illusions. The print continues to captivate audiences with its intricate details and its depiction of a world where birds and fish seem to transform into each other.


Sky and Water I
Sky and Water I by Escher


Table of Contents

How does Sky and Water I by Escher work?

The illusions in M.C. Escher’s “Sky and Water I” work through a combination of tessellation, repetition, and transformation.

Tessellation is the repetition of shapes to form a seamless pattern, and in “Sky and Water I,” Escher uses tessellation to create a repeating pattern of birds and fish that seem to transform into each other. The birds are arranged in a pattern that forms stylized waves, while the fish are arranged in a similar pattern that forms the background of the sky. The two patterns appear to be intertwined and interchangeable, creating an illusion of fluidity and transformation.

Repetition is used to create a sense of unity and coherence in the print. The stylized waves and sky form a tessellation that covers the entire surface of the print, creating a sense of unity and coherence.

The transformation between birds and fish is created through a visual play on the viewer’s perception. The shapes and patterns used to depict the birds and fish are similar, and the two patterns are arranged in such a way that they appear to transform into each other. This creates the illusion of a world where birds and fish seem to transform into each other, adding to the playful and intriguing nature of the print.

Overall, the illusions in “Sky and Water I” work through a combination of tessellation, repetition, and transformation. Escher’s mastery of these techniques creates a visually striking and thought-provoking image that continues to captivate audiences today.

Versions of Sky and Water I by Escher

The following are some alternate versions of Sky and Water I by Escher


Sky and Water I


Sky and Water I



Illusions like Sky and Water I by Escher

The illusions in M.C. Escher’s “Sky and Water I” are primarily optical illusions created through tessellation, repetition, and transformation.

The tessellation of stylized waves and sky creates the illusion of a repeating pattern that covers the entire surface of the print. This repetition creates a sense of unity and coherence in the work.

The transformation between birds and fish is created through a visual play on the viewer’s perception. The shapes and patterns used to depict the birds and fish are similar, and the two patterns are arranged in such a way that they appear to transform into each other. This creates the illusion of a world where birds and fish seem to transform into each other, adding to the playful and intriguing nature of the print.

Additionally, the print can be seen as a form of impossible construction, as the birds and fish seem to transform into each other in a way that is not possible in the real world. This creates a paradoxical and visually striking image that challenges the viewer’s perception.

Overall, “Sky and Water I” showcases a variety of illusions, including tessellation, repetition, transformation, and impossible constructions, which are used to create a visually striking and thought-provoking image.

Some related illusions include the following:

Penrose figures are impossible objects that were first described by the mathematician and philosopher Roger Penrose in the 1950s.

They are optical illusions that depict objects that appear to violate the laws of three-dimensional geometry. Penrose figures are typically drawn or represented as two-dimensional images, but they create the illusion of a three-dimensional object that cannot actually exist in the real world.

Some common examples of Penrose figures include the Penrose triangle, which appears to have vertices that join in impossible ways, and the Penrose stair, which appears to be a staircase that goes on forever, with the steps constantly descending and yet never reaching the bottom.

These figures challenge our perception of the world and have been used in art, architecture, and psychology to study the workings of the human mind and the limits of human perception.

Penrose Shapes
Penrose Shapes


The Penrose stairs, also known as the impossible staircase or the Penrose steps, is a visual illusion in the form of an impossible object created by the mathematician and physicist Roger Penrose.

The illusion is a two-dimensional representation of a staircase that appears to ascend or descend indefinitely, yet is physically impossible to climb or descend because the steps are not connected in a logical manner.

It is often used as an example of the type of optical illusion that can occur in the human brain and is used in cognitive psychology to study perception and attention.

Pensrose Staircase
The Penrose Staircase Illusion


The Penrose triangle, also known as the Penrose tribar, is an optical illusion that depicts a three-dimensional object that is physically impossible to construct.

Penrose Triangle

The Rubin vase, also known as the Rubin face or the figure-ground vase, is a famous optical illusion in which the image of a vase can also be perceived as two faces in profile looking at each other.


Rubin Vase Classic Black and White


The duck-rabbit illusion is an optical illusion that is an image that can be perceived as either a duck or a rabbit depending on how the viewer looks at it.

Duck Rabbit Illusion

The Necker cube is an optical illusion that features a simple wireframe drawing of a cube. The cube appears to switch back and forth between two different orientations.

Necker Cube

The My Wife and My Mother-in-Law illusion is an optical illusion with an image of a young woman’s face that can also be perceived as an older woman’s face.

Wife and Mother In Law

The Schröder Staircase is an optical illusion that features a drawing of a staircase. The staircase appears to be either ascending or descending, depending on how the brain interprets the angles of the lines.

Schroeders_stairs
From Wikimedia Commons

The impossible cube is an optical illusion that depicts a three-dimensional object that is physically impossible to construct.

Impossible Cube Illusion


The impossible trident is a three-pronged impossible shape resembling a trident. It is usually depicted as a three-pronged fork with each prong appearing to be a continuation of the next, creating an impossible shape.

Impossible Trident
From Wikimedia Commons

The spinning dancer illusion is a visual illusion that depicts a silhouette of a dancer spinning clockwise or counterclockwise. The direction of the dancer’s spin can appear to change depending on the viewer’s perception

Spinning Dancer Gif
From Wikimedia Commons

The impossible cylinder is an impossible shape resembling a cylinder similar to the Penrose triangleimpossible cube, and the impossible trident.

Impossible Cylinder

The Shepard elephant illusion is an optical illusion that was created by the artist David H. Shepard. The illusion is a black-and-white line drawing of an elephant that appears to be three-dimensional and in motion, despite being a flat, static image.

The illusion is created by using a technique called “anamorphosis,” which involves distorting an image in a specific way so that when it is viewed from a certain angle or perspective, it appears to be in a different form or shape.


Creation of Sky and Water I by Escher

“Sky and Water I” is a woodcut print created by M.C. Escher in 1938. The work is considered one of Escher’s most iconic and recognizable pieces.

Maurits Cornelis (M.C.) Escher was a Dutch graphic artist born on June 17, 1898, in Leeuwarden, Netherlands. He was widely known for his mathematically inspired and often impossible constructions, as well as his use of tessellations, or repeated patterns of shapes that fit together seamlessly like tiles.

Escher’s works are characterized by their playfulness, intricate details, and optical illusions. He created many famous prints and drawings, including “Relativity,” “Sky and Water I,” and “Day and Night,” all of which showcase his fascination with impossible constructions and the interplay between two-dimensional and three-dimensional space.

Escher’s works have had a profound influence on mathematics, art, and popular culture, and continue to be widely recognized and celebrated today. He is considered one of the greatest graphic artists of the 20th century, and his works are prized by collectors and art enthusiasts all over the world.

M.C. Escher is widely known for his mathematically inspired and often impossible constructions, and his works are characterized by their playfulness, intricate details, and optical illusions. Some of his most famous works include:

Relativity” – A lithograph that depicts a world where gravity and direction are relative and interchangeable.

Waterfall” – A woodcut print that features a seemingly impossible flow of water that cascades upward and through a gear system before falling back down into a pool.

Sky and Water I” – A woodcut print that features an intricate pattern of birds and fish that seem to transform into each other.

Day and Night” – A woodcut print that features a world where the boundary between day and night is fluid and interchangeable.

Metamorphosis III” – A lithograph that features a series of interlocking shapes that seem to change and transform into one another.

Hands Drawing Hands” – A lithograph that features a series of hands drawing hands, creating a never-ending cycle of creation.

These works, and many others by Escher, continue to captivate and inspire audiences with their intricate details, playful illusions, and mathematical elegance.

References and Resources

Check out our complete list of illusions.

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