How To Create Large Bronze Statues

How to create large bronze statues

How to create large bronze statues

Making bronze statue is highly skilled work, and a number of distinct casting processes may be employed, including lost-wax casting (and its modern-day spin-off investment casting), sand casting and centrifugal casting.

For a large bronze candleholder sculpture, the artist will usually prepare small study models until the pose and proportions are determined. An intermediate-sized model is then constructed with all of the final details. For very large works, this may again be scaled to a larger intermediate. From the final scale model, measuring devices are used to determine the dimensions of an armature for the structural support of a full-size temporary piece, which is brought to rough form by wood, cardboard, plastic foam, and/or paper to approximately fill the volume while keeping the weight low. Finally, plaster, clay or other material is used to form the full-size model, from which a mould may be constructed. Alternatively, a large refactory core may be constructed, and the direct-wax method then applied for subsequent investment. Before modern welding techniques, large bronze statues were generally cast in one piece with a single pour. Welding allows a large sculpture to be cast in pieces, then joined.

After final polishing, corrosive materials may be applied to form a patina, a process that allows some control over the color and finish.

Another form of sculptural art that uses bronze animal statues is ormolu, a finely cast soft bronze statue that is gilded (coated with gold) to produce a matte gold finish. Ormolu was popularized in the 18th century in France and is found in such forms as wall sconces (wall-mounted candle holders), inkstands, clocks and garnitures. Ormolu wares can be identified by a clear ring when tapped, showing that they are made of bronze, not a cheaper alloy such as spelter or pewter.

by: wan

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