The case for 2D design

摘要

If you're a cad user working anywhere in the manufacturing process and you're still using 2D as your primary CAD tool you might just as well sit in the office and burn money, we are told. 3D is a far more effective way of working and if you need drawings, as long as the drafting process allows you to include the data you want, it can be the primary mechanism to produce absolutely correct drawings from 'solid' components. Yet since the mid-1980s, despite dramatic changes in the power and affordability of hardware to support solid modelling operations, around 80 per cent of CAD users have continued using 2D.