Fundamentally, engineering is about change. It’s about iteration, exploration and discovery. It’s about trying something, seeing it fail, trying something else, seeing it succeed. You would think a software tool like CAD would make it easier to make changes. But in reality, using traditional parametric modeling approaches can make changes more difficult. Features and parameters are powerful indeed. But if you're not careful, making late stage changes or reusing existing models can result in feature failures or even model recreation. A recent resurgence in CAD innovation is changing the landscape for these issues. This eTopic looks deeper at this need for agility in the design process.
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