Explore the Basics of Sculpture

Throughout history the techniques artists use to create sculptures have been largely determined by available materials and tools as well as by the purpose of the finished work.

Jean-Pierre-Antoine Tassaert, Painting and Sculpture, 1774/1778, marble, Samuel H. Kress Collection, 1952.5.110

Carving: Sculptors use metal tools and abrasives to create figures, reliefs, or abstract forms. They often work with hard materials, such as stone and wood. Carving is considered a subtractive process, which means artists remove material with chisels or other tools to form the sculpture.

Modeling: When working with soft materials, such as clay and wax, sculptors use their hands, assisted by tools made of metal, wood, bone, or plastic, to build up forms. Sometimes they use a wood or metal framework (armature) to support the weight of the materials. Artists fire clay in a hot kiln to turn it into durable terracotta.

Molding and casting: Sculptors can create copies of their work through molding and casting. They use plaster, clay, gelatin, or silicone to make a mold of the sculpture, and then they fill the mold with moist clay, plaster, or another material to reproduce it. Some sculptures cast from a mold are considered finished works, while others are used as models for future molds.

Hammering: Sculptors occasionally use a hammer or awl to add details or decorative patterns to a surface. They form a relief sculpture by working a thin section of metal, freehand or around a mold, from the front (embossing) or by pushing forms out from the back (repoussé). Striking, a related method utilized with coins, uses a mold (die) to press a design into metal.

Assemblage: Artists use the assemblage process to arrange carefully shaped or found objects into a sculpture. The parts of the sculpture might be all of one kind or a variety of elements. Modern sculptors who practice this process bring together found or diverse elements to create a sculpture, that is, a three-dimensional version of a collage. The combination of elements can result in a work of beauty, visual interest, or significant meaning.

Polychromy: The term polychromy means “many colors.” Applying color to the surface of a sculpture can heighten its sense of energy and bring surfaces to life. Artists use paint, gold leaf, or glaze to direct viewers’ focus and highlight certain features or forms.

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We look slightly down onto a crush of pedestrians, horse-drawn carriages, wagons, and streetcars enclosed by a row of densely spaced buildings and skyscrapers opposite us in this horizontal painting. The street in front of us is alive with action but the overall color palette is subdued with burgundy red, grays, and black, punctuated by bright spots of harvest yellow, shamrock green, apple red, and white. Most of the people wear long dark coats and black hats but a few in particular draw the eye. For instance, in a patch of sunlight in the lower right corner, three women wearing light blue, scarlet-red, or emerald-green dresses stand out from the crowd. The sunlight also highlights a white spot on the ground, probably snow, amid the crowd to our right. Beyond the band of people in the street close to us, more people fill in the space around carriages, wagons, and trolleys, and a large horse-drawn cart piled with large yellow blocks, perhaps hay, at the center of the composition. A little in the distance to our left, a few bare trees stand around a patch of white ground. Beyond that, in the top half of the painting, city buildings are blocked in with rectangles of muted red, gray, and tan. Shorter buildings, about six to ten stories high, cluster in front of the taller buildings that reach off the top edge of the painting. The band of skyscrapers is broken only by a gray patch of sky visible in a gap between the buildings to our right of center, along the top of the canvas. White smoke rises from a few chimneys and billboards and advertisements are painted onto the fronts of some of the buildings. The paint is loosely applied, so many of the people and objects are created with only a few swipes of the brush, which makes many of the details indistinct. The artist signed the work with pine-green paint near the lower left corner: “Geo Bellows.”

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Two women with pale skin look out at us from the other side of a rectangular window opening with a shadowy interior behind them in this vertical painting. On our right, in the lower third of the composition, one young woman leans toward us over her left arm, which rests along the window ledge. She bends her right arm and props her chin on her fist. She looks at us with dark brown eyes under dark brows. She has shiny chestnut-brown hair with a strawberry-red bow on the right side of her head, to our left. She has a straight nose, and her full pink lips curve up in a smile. She wears a gossamer-white dress with a wide neckline trimmed in dark gray, with another red bow on the front of her chest. Her voluminous sleeves are pushed back to her elbows. To our left, a second woman peeks around a partially opened shutter. She is slightly older, and she stands next to the first woman with her body facing us. She tilts her head and also gazes at us with dark eyes under dark brown brows. She has dark brown hair covered by an oyster-white shawl. She holds the shawl up with her right hand to cover the bottom half of her face. Her mouth is hidden but her eyes crinkle as if in a smile. Her left arm bends at the elbow as she grasps the open shutter. She also wears a white shirt pushed back to her elbows, and a rose-pink skirt. The frame of the window runs parallel to the sides and bottom of the canvas. The room behind them is black in shadow.

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Four people with black skin are squeezed into a narrow boat on bright, turquoise-colored water that nearly fills this stylized, square painting. All four sides of the unstretched canvas are lined with six gromets spaced along each edge. The boat approaches a carnival-like tunnel near the upper right corner. Cartoon ghosts loom at the tunnel entrance and a translucent, veil-like ghost hovers over the left half of the painting. The horizon comes almost to the top of the canvas, where white clouds float against an azure-blue sky. A long, lemon-yellow line curls back and forth in a tight, curving zigzag pattern that widens out from a tiny sun setting on the horizon. A red cross on a white field floats near the upper left. At the top center, the word “WOW” appears in white letters within a crimson-red, bursting speech bubble with long trailing tendrils, like an exploded firework. Below the boat and against the water to our right, the word “FUN” has been overlaid with a white square so the tall, white letters are barely visible. The words “GREAT AMERICA” appear in a curling banner across the bottom half of the painting.

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