Originally Posted by
More Cowbell
...all you need is a CAD package that can export to a common file type (IGES or STEP). There are several companies out there that do these types of custom work...
My reading of the article suggests that their value proposition is the coupling of on-the-fly finite element analysis, structural optimization algorithms, and a CAD package interface. It's the front-end that's proprietary, or at least not an off-the-shelf package...