A computerized tender can be sent with the appropriate specification and technical details. On receipt of an order, all of the documentation relating to manufacture, testing, dispatching and invoicing will be available. Editing drawings to effect revisions and produce updated parts lists is quick and easy using a CAD product. Many CAD programs include a macro or an add-on programming language that allow customizing it. Customizing your CAD program to suit your specific needs and implementing your ideas can make your CAD system different from your rivals.
Many CAD systems permit the rapid generation of models of proposed designs as wire-frames.
The computer memory stores details of all the geometric data to define each part of the frame. The soft prototypes can resemble the final product much more closely than any real material prototypes. Realistic images of the soft prototypes can be used by marketing people to produce sales collateral, manuals and the whole gamut of marketing materials. They can even be used for testing marketing to determine whether the product is worth producing at all. Sale departments use 3D illustrations in brochures and literature for promotional applications.