Metal, Cast
Cast metal is produced in sand moulds, a model or pattern being employed of which the casting is a reproduction. The
No. 281. Repoussé Work.
A. Pattern defined by tracing tool and interest imparted by different textures of ground.
B. Pattern raised from back, and defined and enriched by tracing and matt tools on face, affording textural contrast with plain ground.
(Photo of A. V & A Museum).
pattern may be originally modelled or carved, and this determines the character of the metal result, though it is a matter of indifference when the necessary finishing is by turning or filing.
Castings in iron are left as they leave the mould, but in bronze, except in Cire Perdu casting, the surface has to be entirely worked down. In common work, however, this is accomplished by means of small files or riffles and by chasing the more elaborate details.
No. 282. Wrought Iron, simple form enriched by use of punches.