Machining is a reductive process, commencement with a solid portion
of stock. The machinist must cautiously remove material in anticipation of the most
wanted geometry is achieved. For complex part geometries, this is an thorough,
time overwhelming, and expensive procedure. Some parts are even too multifaceted
to be machined. Rapid Prototyping is a process in which the fraction is created
by a layer-additive procedure. Using a particular software, a 3-D CAD model is
cut into very slim layers or cross-sections. Then, depending on the explicit way
used, the RP machine construct the part layer by layer unless a solid copy of
the CAD model is formed. Material selection is also method specific. The compensation
of this process is obvious: improvement of physical models can be accomplished
in significantly fewer time as compared to the machining procedure. Some other
applications of these technologies consist of development of models and
tooling. As well, in the medical field, the convergence of medical imaging,
CAD, and RP has prepared it possible to rapidly develop medical model.
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