Artistic casting, theory and practice

This work deals with the history of the production of art objects by investment pattern. The first part describes the method of casting used in the past and present. Casting technology is described in terms of, mold manufacturing, production lost model used materials. First described in the technology currently used in the production of shell molds. Then is described a technology used since antiquity with the lost production model into plaster molds and then making clay molds. In the practical part of this work is studied the production of cast bull Bull rocks present methods and the method used in ancient times. The first method is the production of cast bull by shell casting. The second method is casting a clay mold and reconstruction of its original form. Finally, are compared castings produced by these two methods