No other AEC technology initiative holds as much promise or generates as much discussion as switching from 2D CAD to 3D BIM. More firms than ever before say they're interested in changing their design processes from 2D to 3D building information modeling. According to ZweigWhite's 2010 Information Technology Survey, 69% of architecture and engineering executives surveyed said their firms wanted to increase their use of BIM. Yet these same executives said they used BIM in a paltry 3 % of their projects. Even though parametric 3D modeling has been around for more than a decade, many firms are still using BIM only for grabbing the low-hanging fruit like clash detection. They are not unlocking the full potential of attaching parametric information to individual objects within their 3D models.
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