Form, fit and function: Difference between revisions

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{{Short description|Concept in design processes}}

'''Form, Fit, and Function''' (also '''F3''' or '''FFF''') is a concept used in various industries, including manufacturing, engineering, and architecture, to describe aspects of a product's design, performance, and compliance to a specification. F3 originated in [[military logistics]] to describe interchangeable parts: if F3 for two components have the same set of characteristics, i.e. they have the same shape or ''form'', same connections or ''fit'', and perform the same ''function'', they can be substituted one for another.<ref>{{cite journal |last1=Moore |first1=James W. |title=Structure for a Defense Software Reuse Marketplace |journal= ACM Ada Letters |date=May-JunMay–Jun 1994 |volume=XIV |issue=3 |page=88 |doi=10.1145/181468.181473 |url=https://dl.acm.org/doi/pdf/10.1145/181468.181473}}</ref> The idea behind F3 is to contractually require the original manufacturer to provide the customer (US government) with the free use of F3 data so that the customer can [[second source]] the part and thus enable [[competition]] between multiple suppliers. In practice, F3 is usually used not for final products (like entire [[weapon systems]]), but for the procurement of components and

subsystems.{{sfn|Deets|1985|loc=Abstract}}

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== Sources ==

* {{cite book |last=Morris |first=R. |title=The fundamentals of product design |year=2009 |publisher=AVA Publishing |isbn=978-2-940373-17-58 }}

* {{cite book |last=Norman |first=D. |title=The design of everyday things |year=2002|publisher=Basic Books |___location=New York |isbn=0-465-06710-7 }}

* {{cite thesis | last1=Deets |first1=Douglas M. |title=The use of form, fit, and function in the acquisition of major weapon systems |date=1985 |publisher=Naval Postgraduate School |___location=Monterey, California |degree=Master's |url=https://core.ac.uk/download/pdf/36714841.pdf}}