Final answer:
Modeling is the process of forming a pliable medium with hands or tools by adding material to the sculpture. It is commonly used in creating sculptures with clay, plaster, or other soft materials.
Step-by-step explanation:
Modeling is the process of forming a pliable medium with hands or tools. It is a method that can be both additive and subtractive. The artist uses modeling to build up form with clay, plaster or other soft material that can be pushed, pulled, pinched, carved or poured into place. The material then hardens into the finished work. Larger sculptures created with this method make use of an armature, an underlying structure of wire that sets the physical shape of the work. Modeling clay is an example of a malleable substance that artists use to build sculptures. It is an additive method, as opposed to carving, where the artist adds material to the sculpture.