This is a post by Beverly Spaulding on PTC site.

Concept design is arguably the most important phase of product development.  These early models and sketches ultimately define the direction of the product—whether it’s a better hover board or just a vacuum cleaner that weighs a few ounces less than last year’s model.Not to be taken lightly, conceptual design doesn’t just solve engineering challenges, it also determines how much your company will spend getting product to market–up to 75% of total development costs are set by the time the initial concept is finalized!

Yet when we hear from industry watchers, they say that many companies could be doing a lot better with this phase of the development cycle. The problem? While most manufacturing processes are carefully managed and tracked, concept design can be sloppy, insufficient, and more expensive than it ought to be. Here’s why:

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