An armature is a skeleton or framework that provides a base for a sculpture or other three-dimensional artwork. It is typically made of metal wire or other rigid material and is used to give structure and support to the artwork, while also allowing for the creation of natural-looking poses and movements.
The armature is usually covered with clay, plaster, or other sculpting materials, which are then sculpted and shaped to create the desired form and features of the artwork. Once the sculpture is finished, the armature is removed, leaving behind only the finished sculpture.
Armatures are commonly used in sculpture, but they can also be used in other forms of three-dimensional artwork, such as puppets and dolls. They are an important tool for artists because they allow them to create complex and lifelike forms without the need for heavy, bulky materials.