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Wax carving
Wax carving is the shaping of wax using tools usually associated with machining: rotary tools, saws, files and burins or gravers. Actual knives can be used and most certainly are, but the hardness of the material is such that they are not the ideal tool, generally.
To carve wax, the proper size and shape of block or tube is chosen, in the preferred hardness, and cut to a rough size, as needed. Then the design is generally drawn or laid out on that, and saws, files or machine tools are used to work the wax into a finished product. The wax is easily taken to a fine finish in the end using a bit of nylon stocking or steel wool. After the wax product is finished, it may be molded or used in the lost wax casting process to create a final cast product.
== Casting waxes ==
There are a wide variety of wax types used in the lost wax casting process. Generally they fall into three main types, soft, hard and injection waxes. Injection waxes are made and intended to be used for injecting wax under pressure into rubber or other types of molds. They can be carved and worked otherwise, but they are not specifically designed for that use. Their properties more often target good injection properties: flow, low shrinkage, pot life etc.
Soft waxes are sometimes called sculpting waxes, and generally have a consistency resembling clay. Generally the techniques used in working soft waxes are similar to those used with clay and involve the use of wooden or metal spatulas, direct molding with the fingers and the like.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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