Sculpture is a three-dimensional challenge for any artist. How to present an object to be viewed from many angles? At its most basic, sculpting involves building a form by adding material on or carving pieces away to reveal your form. Four main techniques sculptors use are carving, assembling, modeling and casting. Gain problem-solving skills as you understand these processes and the possibilities of your materials. Materials can include clay, wood, metal, plaster, epoxy, resin. Start there, and the rest is up to you and your imagination.