What is Extrusion?

Extrusion is a fundamental 3D modeling technique where a 2D shape or face is extended into the third dimension, creating new geometry by pushing or pulling the selected elements along their normal direction. This process results in the formation of additional depth, giving the object volume and dimensionality. Extrusion is widely employed in both 2D and 3D design workflows, serving as a versatile tool for building complex shapes and structures.

Meaning of Extrusion

The significance of extrusion lies in its ability to add depth and volume to objects, transforming flat surfaces into three-dimensional forms. In 3D modeling applications, extrusion is often used to create a variety of elements, from simple geometric shapes to intricate architectural details. By repetitively extruding and manipulating faces, artists can construct intricate models with well-defined contours and surfaces, providing the necessary foundation for realistic and visually appealing designs.

Application of Extrusion

Extrusion is a fundamental operation in 3D modeling software and finds application in various industries, including architecture, product design, and character modeling. In architectural design, for instance, extrusion is used to model buildings and structures, while in character modeling, it shapes limbs and body parts. Its versatility makes it a go-to technique for artists seeking to add depth and detail to their creations, making extrusion a cornerstone of the modeling process.