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Since rapid prototyping came into being, many businesses provided with the service of prototype development. Earlier, such companies were known as service bureaus and they allowed the users to access the unproven and expensive technology. In the early period of rapid prototyping, these service bureaus provided with advantages of prototype development minus the soaring upfront expenses and major risks of applying a new technology that was relatively unverified and hovering on the brink of rapid obsolescence. In the beginning, the service bureaus provided file conversions for narrowing the operational gap amidst 2D data and 3D CAD models. Due to this, the large companies that had not yet transitioned to solid modeling were benefited greatly.
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