First, a three-dimensional structure is designed using CAD software.

Professional CAD software is notoriously expensive and difficult to learn.

Intel claim a 30% performance increase when using CAD software.

Today the vast majority of drawings are created using CAD software.

Euclid is a CAD software which has been developed since 1970.

The aircraft is one of the few in its class designed with the benefit of CAD software.

Also, since CAD software varied in capabilities, the standard was written with a great deal of flexibility.

The early models were explicitly hand drawn, but by the 1980s these had their parts drafted with the use of CAD software.

Right now, no special hardware is required for most CAD software.

Plans can be drawn up on paper or done with CAD software.