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The everyday medium of plaster has a centuries-long history in artist’s workshops and sculpture studios as well as interior architectural decoration. 2 Like wax, plaster maintained ritual uses as well artistic ones, generating such objects as death masks, ephemeral monuments and effigies, and religious tableaux for indoor and outdoor settings.
Plaster of Paris is used to make fine artwork for decoration and beautification of monuments and buildings. They might be geometric (imitating natural rocks and temples) or inspired by nature (like flowers or forests). It is also frequently used to imitate wood or stone mostly found in ancient buildings and monuments.
Jan 15, 2018 · Plaster is a Hardware store product that I often use to replace Modeling/Molding Paste because it yields the same results for a fraction of the cost. If you would like to know how I use plaster, read my blog post titled: Gel Medium VS Modeling Paste. Everything I say about Modeling Paste applies to plater as well.
Brief history of plaster sculpture is presented as well as some of the modern and contemporary artists who are working in this technique.
Apr 9, 2019 · Many centuries before it was introduced as a cast material, Plaster of Paris (PoP)* was well known as a building material. Egyptians and Romans used it for plastering their walls. There are various accounts describing the origin of the name with one mentioning King Henry III, who visited Paris in 1254 and was so impressed by fine white walls ...
Preparation of Plaster of Paris. Plaster of Paris is manufactured by the action of heat on gypsum. Gypsum is another hydrated salt. The chemical formula of Gypsum is calcium sulphate dihydrate, CaSO4 ⋅2 H2O. Upon heating, some of the water escapes in the process of evaporation, giving POP. Thus, it can be prepared industrially in this manner.
Gesso, a mixture of plaster of paris (or gypsum) with size, is the traditional ground. The first layer is of gesso grosso, a mixture of coarse unslaked plaster and size. That provides a rough absorbent surface for 10 or more thin coats of gesso sottile, a smooth mixture of size and fine plaster previously slaked in water to retard drying.
