2. Sculpture is three-dimensional artwork created by shaping or combining hard materials - typically stone such as marble - or metal, glass, or wood. Softer ("plastic") materials can also be used, such as clay, textiles, plastics, polymers and softer metals. The term has been extended to works including sound, text and light.

3. Relief Sculpture, (Latin: levo/relevo, to lift up) where the image is what is left when the background has been cut away to leave the image apparently "lifted-up" above the background.

4. However the distinction between high relief and low relief is the clearest and most important, and these two are generally the only terms used to discuss most work. The opposite of relief sculpture is counter-relief, intaglio, or cavo- rilievo, where the form is cut into the field or background rather than rising from it; this is very rare in monumental sculpture.

5. What is actually performed when a relief is cut in from a flat surface of stone or wood is a lowering of the field, leaving the unsculpted parts seemingly raised. The technique thus involves considerable chiselling away of the background, which is a time-consuming exercise with little artistic effect if the lowered background is left plain, as is often the case.

6. On the other hand, a relief saves forming the rear of a subject, and is less fragile and more securely fixed than a sculpture in the round, especially one of a standing figure where the ankles are a potential weak point, especially in stone.

7. In other materials such as metal, clay, plaster stucco, ceramics or papier-mache the form can be just added to or raised up from the background, and monumental bronze reliefs are made by casting.

8. There are different degrees of relief depending on the degree of projection of the sculpted form from the field, for which the Italian appellations are still sometimes used. The full range includes high relief (alto-rilievo), where more than 50% of the depth is shown and there may be undercut areas.

9. mid-relief (mezzo-rilievo)

10. low-relief (basso-rilievo, or French: bas-relief), and shallow-relief or rilievo schiacciato, where the plane is scarcely more than scratched in order to remove background material.

11. A bust is a sculpted or cast representation of the upper part of the human figure, depicting a person's head and neck, as well as a variable portion of the chest and shoulders. The piece is normally supported by a plinth. These forms recreate the likeness of an individual. These may be of any suitable material (such as marble, bronze or clay).

15. Sculpture Project After visiting Lee Brick, students will design and carve a brick which will then be fired at the brick plant and returned to the student as a finished brick.