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Geometric and organic lines

Geometric lines

lines are ones that relate to perfect mathematical shapes and man-made objects. They are straight, regular and uniform. They often follow a specific pattern and can be symmetrical or repeat in a specific way.

The Empire State Building, New York, USA
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Empire State Building, New York, USA

The Empire State Building in New York is a piece of architecture made up entirely of straight lines.

The windows run up the length of the entire building in long, straight, vertical lines. These emphasise the height of the building.

The overall effect of the geometric lines suggest that the building is strong and stable.

The Empire State Building, New York, USA
Image caption,
Empire State Building, New York, USA
Painting No.II / Composition No.XV / Composition 4, Piet Mondrian, 1913, oil on canvas
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Painting No.II / Composition No.XV / Composition 4, Piet Mondrian, 1913, oil on canvas

Painting No.II / Composition No.XV / Composition 4 by Piet Mondrian is entirely made of geometric lines and blocks of colour.

These are arranged in a seemingly random way and painted over in places so that they appear faded around the edges of the frame. This makes the composition feel less rigid and perfect that you might expect from a group of purely geometric lines.

Painting No.II / Composition No.XV / Composition 4, Piet Mondrian, 1913, oil on canvas
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Painting No.II / Composition No.XV / Composition 4, Piet Mondrian, 1913, oil on canvas

Organic lines

Lines that appear natural and imperfect rather than man-made or mathematical are called organic lines. They tend to have less structure, they can change quickly and often don鈥檛 follow a particular path or route. Organic lines are curved and irregular.

搁锚惫别谤颈别, Alphonse Mucha, 1897, colour litho
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搁锚惫别谤颈别, Alphonse Mucha, 1897, colour litho

Reverie (1897) is an poster by Alphonse Mucha.

Mucha used organic lines in a realistic way to suggest the delicate forms of hair and the flowing fabric of the woman's dress.

Swirling patterns and flower forms create a flowing organic background.

The image is given structure by a contrasting geometric line 鈥 the white outline of a circle in the background.

搁锚惫别谤颈别, Alphonse Mucha, 1897, colour litho
Image caption,
搁锚惫别谤颈别, Alphonse Mucha, 1897, colour litho
Poster for Delft salad oil, Jan Toorop, 1894, lithograph
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Delft Salad Oil poster, Jan Toorop, 1894, lithograph

Organic lines dominate this poster advertising salad dressing, Delftsche Slaolie (Jan Toorop, 1895).

They are used expressively and the lines of hair and clothing flow together and swirl round filling the frame. Even the shape of the lettering at the top of the poster is curved and flowing.

The result feels very sensual and natural.

Poster for Delft salad oil, Jan Toorop, 1894, lithograph
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Delft Salad Oil poster, Jan Toorop, 1894, lithograph
Printed silk crepe dress, Ossie Clark, print by Celia Birtwell, 1974
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Printed silk crepe dress, Ossie Clark, print by Celia Birtwell, 1974

Organic line can also be used to great effect in textile design. Ossie Clarke has used the flowing, organic lines of flowers in this dress design.

The line created by the flowers work to help compliment the natural flow of the cut of the dress.

Printed silk crepe dress, Ossie Clark, print by Celia Birtwell, 1974
Image caption,
Printed silk crepe dress, Ossie Clark, print by Celia Birtwell, 1974